GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /opt/wmf-mariadb10/bin/mysqld...done.
Attaching to program: /opt/wmf-mariadb10/bin/mysqld, process 6204
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
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Loaded symbols for /lib/x86_64-linux-gnu/libpthread.so.0
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Loaded symbols for /lib/x86_64-linux-gnu/libaio.so.1
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Loaded symbols for /lib/x86_64-linux-gnu/libnss_files.so.2
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Loaded symbols for /lib/x86_64-linux-gnu/libresolv.so.2
0x00007ffb40ee589c in __lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
(gdb) 
Thread 81 (Thread 0x7fe21b3fe700 (LWP 6210)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf81f0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=0, message1=0x7fe21b3fddd0, 
    message2=0x7fe21b3fddd8, type=0x7fe21b3fdde0, space_id=0x7fe21b3fdde8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 80 (Thread 0x7fe21abfd700 (LWP 6211)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf81a0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=1, message1=0x7fe21abfcdd0, 
    message2=0x7fe21abfcdd8, type=0x7fe21abfcde0, space_id=0x7fe21abfcde8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 79 (Thread 0x7fe21a3fc700 (LWP 6212)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=2, message1=0x7fe21a3fbdd0, 
    message2=0x7fe21a3fbdd8, type=0x7fe21a3fbde0, space_id=0x7fe21a3fbde8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=2)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 78 (Thread 0x7fe219bfb700 (LWP 6213)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=3, message1=0x7fe219bfadd0, 
    message2=0x7fe219bfadd8, type=0x7fe219bfade0, space_id=0x7fe219bfade8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=3)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 77 (Thread 0x7fe2193fa700 (LWP 6214)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=4, message1=0x7fe2193f9dd0, 
    message2=0x7fe2193f9dd8, type=0x7fe2193f9de0, space_id=0x7fe2193f9de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=4)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 76 (Thread 0x7fe218bf9700 (LWP 6215)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=5, message1=0x7fe218bf8dd0, 
    message2=0x7fe218bf8dd8, type=0x7fe218bf8de0, space_id=0x7fe218bf8de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=5)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 75 (Thread 0x7fe2183f8700 (LWP 6216)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=6, message1=0x7fe2183f7dd0, 
    message2=0x7fe2183f7dd8, type=0x7fe2183f7de0, space_id=0x7fe2183f7de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=6)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 74 (Thread 0x7fe217bf7700 (LWP 6217)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=7, message1=0x7fe217bf6dd0, 
    message2=0x7fe217bf6dd8, type=0x7fe217bf6de0, space_id=0x7fe217bf6de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=7)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 73 (Thread 0x7fe2173f6700 (LWP 6218)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=8, message1=0x7fe2173f5dd0, 
    message2=0x7fe2173f5dd8, type=0x7fe2173f5de0, space_id=0x7fe2173f5de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 72 (Thread 0x7fe216bf5700 (LWP 6219)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=9, message1=0x7fe216bf4dd0, 
    message2=0x7fe216bf4dd8, type=0x7fe216bf4de0, space_id=0x7fe216bf4de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=9)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 71 (Thread 0x7fe2163f4700 (LWP 6220)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=10, message1=0x7fe2163f3dd0, 
    message2=0x7fe2163f3dd8, type=0x7fe2163f3de0, space_id=0x7fe2163f3de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=10)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 70 (Thread 0x7fe215bf3700 (LWP 6221)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=11, message1=0x7fe215bf2dd0, 
    message2=0x7fe215bf2dd8, type=0x7fe215bf2de0, space_id=0x7fe215bf2de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=11)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 69 (Thread 0x7fe2153f2700 (LWP 6222)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=12, message1=0x7fe2153f1dd0, 
    message2=0x7fe2153f1dd8, type=0x7fe2153f1de0, space_id=0x7fe2153f1de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=12)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 68 (Thread 0x7fe214bf1700 (LWP 6223)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=13, message1=0x7fe214bf0dd0, 
    message2=0x7fe214bf0dd8, type=0x7fe214bf0de0, space_id=0x7fe214bf0de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=13)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 67 (Thread 0x7fe2143f0700 (LWP 6224)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=14, message1=0x7fe2143efdd0, 
    message2=0x7fe2143efdd8, type=0x7fe2143efde0, space_id=0x7fe2143efde8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=14)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 66 (Thread 0x7fe213bef700 (LWP 6225)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=15, message1=0x7fe213beedd0, 
    message2=0x7fe213beedd8, type=0x7fe213beede0, space_id=0x7fe213beede8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=15)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 65 (Thread 0x7fe2133ee700 (LWP 6226)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=16, message1=0x7fe2133eddd0, 
    message2=0x7fe2133eddd8, type=0x7fe2133edde0, space_id=0x7fe2133edde8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=16)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 64 (Thread 0x7fe212bed700 (LWP 6227)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=17, message1=0x7fe212becdd0, 
    message2=0x7fe212becdd8, type=0x7fe212becde0, space_id=0x7fe212becde8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=17)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 63 (Thread 0x7fe2123ec700 (LWP 6228)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=18, message1=0x7fe2123ebdd0, 
    message2=0x7fe2123ebdd8, type=0x7fe2123ebde0, space_id=0x7fe2123ebde8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=18)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 62 (Thread 0x7fe211beb700 (LWP 6229)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=19, message1=0x7fe211beadd0, 
    message2=0x7fe211beadd8, type=0x7fe211beade0, space_id=0x7fe211beade8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=19)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 61 (Thread 0x7fe2113ea700 (LWP 6230)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=20, message1=0x7fe2113e9dd0, 
    message2=0x7fe2113e9dd8, type=0x7fe2113e9de0, space_id=0x7fe2113e9de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=20)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 60 (Thread 0x7fe210be9700 (LWP 6231)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=21, message1=0x7fe210be8dd0, 
    message2=0x7fe210be8dd8, type=0x7fe210be8de0, space_id=0x7fe210be8de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=21)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 59 (Thread 0x7fe2103e8700 (LWP 6232)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=22, message1=0x7fe2103e7dd0, 
    message2=0x7fe2103e7dd8, type=0x7fe2103e7de0, space_id=0x7fe2103e7de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=22)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 58 (Thread 0x7fe20fbe7700 (LWP 6233)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=23, message1=0x7fe20fbe6dd0, 
    message2=0x7fe20fbe6dd8, type=0x7fe20fbe6de0, space_id=0x7fe20fbe6de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=23)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 57 (Thread 0x7fe20f3e6700 (LWP 6234)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=24, message1=0x7fe20f3e5dd0, 
    message2=0x7fe20f3e5dd8, type=0x7fe20f3e5de0, space_id=0x7fe20f3e5de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=24)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 56 (Thread 0x7fe20ebe5700 (LWP 6235)):
#0  0x00007ffb40cd5644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7ffb3ebf8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=25, message1=0x7fe20ebe4dd0, 
    message2=0x7fe20ebe4dd8, type=0x7fe20ebe4de0, space_id=0x7fe20ebe4de8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5244
#3  0x000000000098a7d7 in fil_aio_wait (segment=25)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fil/fil0fil.cc:5825
#4  0x00000000008f1575 in io_handler_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0start.cc:499
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 55 (Thread 0x7fe1ae7ff700 (LWP 7736)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58c800, reset_sig_count=330222)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=2)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7ffb3e83e0b8, 
    high_priority=false, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", line=358)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000088c17b in mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:313
#6  mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:311
#7  pfs_mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:397
#8  log_reserve_and_write_fast (start_lsn=0x7fe1ae7febb0, len=20, str=0x7fe1ae7fe968)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic:358
#9  mtr_log_reserve_and_write (mtr=0x7fe1ae7fe720)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:265
#10 mtr_commit (mtr=0x7fe1ae7fe720)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:327
#11 0x00000000009c07a9 in row_undo_ins_remove_sec_low (mode=<optimized out>, 
    mode@entry=2, index=index@entry=0x7fe1aeba6768, entry=entry@entry=0x7fe1b0842668)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0uins.cc:245
#12 0x00000000009c1389 in row_undo_ins_remove_sec (entry=0x7fe1b0842668, 
    index=0x7fe1aeba6768)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0uins.cc:266
#13 row_undo_ins_remove_sec_rec (node=0x7fe22a7de068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0uins.cc:392
#14 row_undo_ins (node=0x7fe22a7de068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0uins.cc:446
#15 0x00000000008e2b26 in row_undo (thr=0x7fe1b080e430, node=0x7fe22a7de068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0undo.cc:303
#16 row_undo_step (thr=0x7fe1b080e430)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0undo.cc:350
#17 0x00000000008ac1b0 in que_thr_step (thr=0x7fe1b080e430)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/que/que0que.cc:1113
#18 que_run_threads_low (thr=0x7fe1b080e430)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/que/que0que.cc:1177
#19 que_run_threads (thr=0x7fe1b080e430)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/que/que0que.cc:1218
#20 0x00000000009057d8 in trx_rollback_active (trx=0x7fe22a7de668)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0roll.cc:613
#21 trx_rollback_resurrected (all=1, trx=0x7fe22a7de668)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0roll.cc:713
#22 trx_rollback_or_clean_recovered (all=all@entry=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0roll.cc:776
#23 0x0000000000905c85 in trx_rollback_or_clean_all_recovered (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0roll.cc:817
#24 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#25 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#26 0x0000000000000000 in ?? ()

Thread 54 (Thread 0x7fe1913ff700 (LWP 8094)):
#0  0x00007ffb40ee30fe in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008921f0 in os_cond_wait_timed (abstime=0x7fe1913fed80, 
    fast_mutex=0x7fe28c58ce00, cond=0x7fe28c58ce40)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7fe28c58ce00, time_in_usec=<optimized out>, 
    reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:723
#3  0x0000000000873930 in lock_wait_timeout_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/lock/lock0wait.cc:503
#4  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 53 (Thread 0x7fe190bfe700 (LWP 8095)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58c800, reset_sig_count=330222)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=3)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7ffb3e83e0b8, 
    high_priority=false, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", line=461)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x00000000008ef011 in mutex_enter_func (line=461, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:313
#6  mutex_enter_func (line=461, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:2061
#7  pfs_mutex_enter_func (line=461, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:397
#8  log_get_lsn ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic:461
#9  srv_error_monitor_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:2097
#10 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 52 (Thread 0x7fe1903fd700 (LWP 8096)):
#0  0x00007ffb40ee30fe in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008921f0 in os_cond_wait_timed (abstime=0x7fe1903fcdb0, 
    fast_mutex=0x7ffb3ebf6680, cond=0x7ffb3ebf66c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7ffb3ebf6680, time_in_usec=<optimized out>, 
    reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:723
#3  0x00000000008ee7a6 in srv_monitor_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:1926
#4  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 51 (Thread 0x7fe18fbfc700 (LWP 8097)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58c800, reset_sig_count=330222)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=5)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7ffb3e83e0b8, 
    high_priority=false, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", line=1795)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x0000000000876fdc in mutex_enter_func (line=1795, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:313
#6  mutex_enter_func (line=1795, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc:1789
#7  pfs_mutex_enter_func (line=1795, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:397
#8  log_buffer_sync_in_background (flush=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc:1795
#9  0x00000000008ec308 in srv_sync_log_buffer_in_background ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:2593
#10 0x00000000008efe1b in srv_master_do_active_tasks ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:2715
#11 srv_master_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:2972
#12 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 50 (Thread 0x7fe18f3fb700 (LWP 8098)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6580, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6580, reset_sig_count=1246494)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f10c1 in srv_purge_coordinator_suspend (rseg_history_len=1955, 
    slot=0x7ffb3e80f8f0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:3273
#4  srv_purge_coordinator_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/srv/srv0srv.cc:3395
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 49 (Thread 0x7fe18ebfa700 (LWP 8099)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58c800, reset_sig_count=330222)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7ffb3e83e0b8, 
    high_priority=false, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", line=1575)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x0000000000876074 in mutex_enter_func (line=1575, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:313
#6  mutex_enter_func (line=1575, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc:1530
#7  pfs_mutex_enter_func (line=1575, 
    file_name=0xc95aa8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:397
#8  log_write_up_to (flush_to_disk=<optimized out>, wait=<optimized out>, 
    lsn=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc:1575
#9  log_write_up_to (lsn=6337250356328, wait=93, flush_to_disk=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc:1530
#10 0x00000000009514e2 in buf_flush_write_block_low (sync=false, 
    flush_type=BUF_FLUSH_LIST, bpage=0x7ff52e7d2480)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:925
#11 buf_flush_page (buf_pool=buf_pool@entry=0x7ffb3ebfd548, 
    bpage=bpage@entry=0x7ff52e7d2480, flush_type=flush_type@entry=BUF_FLUSH_LIST, 
    sync=false, sync@entry=7)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:1091
#12 0x000000000095238d in buf_flush_try_neighbors (n_to_flush=100, n_flushed=14, 
    flush_type=BUF_FLUSH_LIST, offset=28414, space=550)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:1306
#13 buf_flush_page_and_try_neighbors (bpage=<optimized out>, 
    flush_type=flush_type@entry=BUF_FLUSH_LIST, n_to_flush=n_to_flush@entry=100, 
    count=count@entry=0x7fe18ebf9a68)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:1394
#14 0x000000000095350c in buf_do_flush_list_batch (
    buf_pool=buf_pool@entry=0x7ffb3ebfd548, min_n=min_n@entry=100, 
    lsn_limit=lsn_limit@entry=6334843067667)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:1721
#15 0x000000000095386e in buf_flush_batch (n=<synthetic pointer>, 
    limited_lru_scan=false, lsn_limit=6334843067667, min_n=100, 
    flush_type=BUF_FLUSH_LIST, buf_pool=0x7ffb3ebfd548)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:1798
#16 buf_flush_list (min_n=250, lsn_limit=6334843067667, 
    n_processed=n_processed@entry=0x7fe18ebf9df8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:2054
#17 0x0000000000954d05 in page_cleaner_do_flush_batch (lsn_limit=<optimized out>, 
    n_to_flush=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:2355
#18 page_cleaner_flush_pages_if_needed ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:2537
#19 buf_flush_page_cleaner_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:2722
#20 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#21 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#22 0x0000000000000000 in ?? ()

Thread 48 (Thread 0x7fe18e3f9700 (LWP 8100)):
#0  0x00007ffb3f35c683 in select () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x0000000000892d4f in os_thread_sleep (tm=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0thread.cc:284
#2  0x0000000000955428 in buf_flush_lru_manager_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:2851
#3  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 47 (Thread 0x7fe18dbf8700 (LWP 8101)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6700, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6700, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x000000000095017e in buf_dump_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0dump.cc:594
#4  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 46 (Thread 0x7fe18d3f7700 (LWP 8102)):
#0  0x00007ffb40ee30fe in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008921f0 in os_cond_wait_timed (abstime=0x7fe18d3f6da0, 
    fast_mutex=0x7fe28c58dd80, cond=0x7fe28c58ddc0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7fe28c58dd80, time_in_usec=<optimized out>, 
    reset_sig_count=919)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:723
#3  0x00000000009839b3 in dict_stats_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/dict/dict0stats_bg.cc:349
#4  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 45 (Thread 0x7fe18cbf6700 (LWP 8103)):
#0  0x00007ffb40ee30fe in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008921f0 in os_cond_wait_timed (abstime=0x7fe18cbf5d30, 
    fast_mutex=0x7fe1aea78a00, cond=0x7fe1aea78a40)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7fe1aea78a00, time_in_usec=<optimized out>, 
    reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:723
#3  0x00000000009169fe in ib_wqueue_timedwait (wq=0x7ffb3ebf2a28, 
    wait_in_usecs=5000000)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/ut/ut0wqueue.cc:154
#4  0x00000000009b3ec3 in fts_optimize_thread (arg=0x7ffb3ebf2a28)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fts/fts0opt.cc:2996
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 44 (Thread 0x7fe18c3f5700 (LWP 8104)):
#0  0x00007ffb40ee30fe in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000000000a2cb1f in inline_mysql_cond_timedwait (abstime=0x7fe18c3f4d70, 
    mutex=0x1b48d40, that=0x1b48d80, src_file=<optimized out>, 
    src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:1202
#2  my_service_thread_sleep (control=control@entry=0x12992f0, 
    sleep_time=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/maria/ma_servicethread.c:118
#3  0x0000000000a26472 in ma_checkpoint_background (arg=0x1e)
    at /home/sean/build/mariadb-10.0.13/storage/maria/ma_checkpoint.c:709
#4  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 43 (Thread 0x7ffb412b7700 (LWP 8111)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000007b1faf in inline_mysql_cond_wait (mutex=0x1323dc0, that=0x1323df0, 
    src_file=<optimized out>, src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:1165
#2  inline_mysql_cond_wait (src_line=9120, mutex=0x1323dc0, that=0x1323df0, 
    src_file=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/log.cc:9057
#3  binlog_background_thread (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/log.cc:9120
#4  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 42 (Thread 0x7fe18bbf4700 (LWP 8112)):
#0  0x00007ffb40ee589c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffb40ee109b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ffb40ee101c in pthread_mutex_lock ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x00000000006e9e9b in inline_mysql_mutex_lock (that=<optimized out>, 
    src_file=<optimized out>, src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:693
#4  inline_mysql_mutex_lock (src_line=439, 
    src_file=0xbf3178 "/home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc", 
    that=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:496
#5  timeout_check (timer=0x1320f60)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:439
#6  timer_thread (param=0x1320f60)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:532
#7  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 41 (Thread 0x7ffb41286700 (LWP 8113)):
#0  0x00007ffb40ee69f7 in do_sigwait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffb40ee6a79 in sigwait () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x000000000055bd9f in signal_hand (arg=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:3339
#3  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 40 (Thread 0x7ffb41255700 (LWP 8114)):
#0  0x00007ffb40ee589c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffb40ee109b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ffb40ee101c in pthread_mutex_lock ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x00000000008222d2 in inline_mysql_mutex_lock (that=<optimized out>, 
    src_file=<optimized out>, src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:693
#4  inline_mysql_mutex_lock (src_line=194, 
    src_file=0xc838c0 "/home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc", 
    that=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:179
#5  pre_init_event_thread (thd=thd@entry=0x7fe1f391f008)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:194
#6  0x0000000000822569 in Event_scheduler::execute_top (
    this=this@entry=0x7ffb3ebf2c00, event_name=0x7fe1f38f4220)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:554
#7  0x0000000000822941 in Event_scheduler::run (this=this@entry=0x7ffb3ebf2c00, 
    thd=0x7fe22ab96008)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:508
#8  0x0000000000822a9c in event_scheduler_thread (arg=0x7fe22ab8f488)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:242
#9  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 39 (Thread 0x7ffb41224700 (LWP 8116)):
#0  0x00007ffb3f357963 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x0000000000b15744 in vio_io_wait (vio=vio@entry=0x7fe1f3c4f208, 
    event=event@entry=VIO_IO_EVENT_READ, timeout=3600000)
    at /home/sean/build/mariadb-10.0.13/vio/viosocket.c:969
#2  0x0000000000b157e3 in vio_socket_io_wait (vio=vio@entry=0x7fe1f3c4f208, 
    event=event@entry=VIO_IO_EVENT_READ)
    at /home/sean/build/mariadb-10.0.13/vio/viosocket.c:108
#3  0x0000000000b15a6c in vio_read (vio=vio@entry=0x7fe1f3c4f208, 
    buf=0x7fe1f3c57008 "G", size=size@entry=16384)
    at /home/sean/build/mariadb-10.0.13/vio/viosocket.c:181
#4  0x0000000000b15b42 in vio_read_buff (vio=0x7fe1f3c4f208, buf=0x7fe1f3c63008 "", 
    size=4) at /home/sean/build/mariadb-10.0.13/vio/viosocket.c:223
#5  0x00000000005646fe in my_real_read (net=0x7fe1f3c1d608, 
    complen=complen@entry=0x7ffb41223ac8, header=header@entry=0 '\000')
    at /home/sean/build/mariadb-10.0.13/sql/net_serv.cc:873
#6  0x000000000056538d in my_net_read_packet (net=net@entry=0x7fe1f3c1d608, 
    read_from_server=read_from_server@entry=0 '\000')
    at /home/sean/build/mariadb-10.0.13/sql/net_serv.cc:1089
#7  0x00000000006ec2f8 in cli_safe_read (mysql=0x7fe1f3c1d608)
    at /home/sean/build/mariadb-10.0.13/sql-common/client.c:767
#8  0x0000000000578923 in read_event (suppress_warnings=0x7ffb41223bc2, 
    mysql=0x7fe1f3c1d608, mi=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:3088
#9  handle_slave_io (arg=0x7fe1f1bdc000)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:4032
#10 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 38 (Thread 0x7ffb411f3700 (LWP 8117)):
#0  0x00007ffb40ee30fe in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x0000000000692722 in inline_mysql_cond_timedwait (abstime=0x7ffb411f0990, 
    mutex=0x7fe1f342b100, that=0x7fe1f342b130, src_file=<optimized out>, 
    src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:1202
#2  MDL_wait::timed_wait (this=this@entry=0x7fe1f342b100, owner=0x7fe1f342b0b8, 
    abs_timeout=abs_timeout@entry=0x7ffb411f0990, 
    set_status_on_timeout=set_status_on_timeout@entry=false, 
    wait_state_name=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/mdl.cc:1435
#3  0x0000000000693780 in MDL_context::acquire_lock (this=0x7fe1f342b100, 
    mdl_request=0x7fe1f344d650, lock_wait_timeout=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/mdl.cc:2375
#4  0x0000000000597346 in open_table_get_mdl_lock (thd=thd@entry=0x7fe1f342b008, 
    ot_ctx=ot_ctx@entry=0x7ffb411f1290, 
    mdl_request=mdl_request@entry=0x7fe1f344d650, flags=flags@entry=0, 
    mdl_ticket=mdl_ticket@entry=0x7ffb411f0c68)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:2015
#5  0x00000000005a1234 in open_table (thd=thd@entry=0x7fe1f342b008, 
    table_list=table_list@entry=0x7fe1f344d240, 
    mem_root=mem_root@entry=0x7ffb411f12d0, ot_ctx=ot_ctx@entry=0x7ffb411f1290)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:2280
#6  0x00000000005a2768 in open_and_process_table (new_frm_mem=0x7ffb411f12d0, 
    ot_ctx=0x7ffb411f1290, has_prelocking_list=false, 
    prelocking_strategy=0x7ffb411f14f0, flags=0, counter=0x7ffb411f136c, 
    tables=0x7fe1f344d240, lex=0x7fe1f342eb18, thd=0x7fe1f342b008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:3935
#7  open_tables (thd=thd@entry=0x7fe1f342b008, start=start@entry=0x7ffb411f1358, 
    counter=counter@entry=0x7ffb411f136c, flags=flags@entry=0, 
    prelocking_strategy=0x7ffb411f14f0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4469
#8  0x00000000005a2984 in open_and_lock_tables (thd=0x7fe1f342b008, 
    tables=0x7fe1f344d240, derived=true, flags=0, 
    prelocking_strategy=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:5112
#9  0x00000000005c2bd5 in open_and_lock_tables (flags=<optimized out>, 
    derived=<optimized out>, tables=<optimized out>, thd=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.h:486
#10 open_and_lock_for_insert_delayed (table_list=<optimized out>, 
    thd=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/sql_insert.cc:585
#11 mysql_insert (thd=0x7fe1f342b008, table_list=0x7fe1f344d240, fields=..., 
    values_list=..., update_fields=..., update_values=..., duplic=DUP_ERROR, 
    ignore=false) at /home/sean/build/mariadb-10.0.13/sql/sql_insert.cc:717
#12 0x00000000005d7acf in mysql_execute_command (thd=thd@entry=0x7fe1f342b008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:3437
#13 0x00000000005dd88a in mysql_parse (parser_state=0x7ffb411f2690, 
    thd=0x7fe1f342b008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#14 mysql_parse (thd=0x7fe1f342b008, rawbuf=<optimized out>, length=450, 
    parser_state=0x7ffb411f2690)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#15 0x00000000007c21d2 in Query_log_event::do_apply_event (this=0x7fe1f5d9b588, 
    rgi=0x7fe1f3412600, 
    query_arg=0x7fe1f5effd93 "INSERT /* Revision::insertOn PhilKnight */  INTO `revision` (rev_id,rev_page,rev_text_id,rev_comment,rev_minor_edit,rev_user,rev_user_text,rev_timestamp,rev_deleted,rev_len,rev_parent_id,rev_sha1) VAL"..., q_len_arg=450)
    at /home/sean/build/mariadb-10.0.13/sql/log_event.cc:4320
#16 0x0000000000573d9d in apply_event (rgi=0x7fe1f3412600, this=0x7fe1f5d9b588)
    at /home/sean/build/mariadb-10.0.13/sql/log_event.h:1343
#17 apply_event_and_update_pos (ev=ev@entry=0x7fe1f5d9b588, 
    thd=thd@entry=0x7fe1f342b008, rgi=rgi@entry=0x7fe1f3412600, rpt=rpt@entry=0x0)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:3275
#18 0x0000000000576097 in exec_relay_log_event (serial_rgi=0x7fe1f3412600, rli=
    0x7fe1f1bdd9c8, thd=0x7fe1f342b008)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:3578
#19 handle_slave_sql (arg=0x7fe1f1bdc000)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:4660
#20 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#21 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#22 0x0000000000000000 in ?? ()

Thread 37 (Thread 0x7ffb3f065700 (LWP 43413)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=67, 
    native_events=native_events@entry=0x7ffb3f061cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbec08, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ffb3f064dd0, 
    thread_group=thread_group@entry=0x7fe1aebbec08, 
    abstime=abstime@entry=0x7ffb3f064d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbec08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 36 (Thread 0x7ff208d9d700 (LWP 43956)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ff821770b00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ff821770b00, reset_sig_count=784)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7ffb3ebfd3c8, 
    high_priority=false, 
    file_name=0xcb12d0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0buf.cc", line=356) at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000093fca2 in mutex_enter_func (line=356, 
    file_name=0xcb12d0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0buf.cc", mutex=0x7ffb3ebfd3c8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:268
#6  pfs_mutex_enter_func (line=356, 
    file_name=0xcb12d0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0buf.cc", mutex=0x7ffb3ebfd3c8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:363
#7  buf_pool_get_oldest_modification ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0buf.cc:356
#8  0x000000000087450d in log_close ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/log/log0log.cc:612
#9  0x000000000088bf05 in mtr_log_reserve_and_write (mtr=0x7ff208d984f0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:301
#10 mtr_commit (mtr=0x7ff208d984f0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:327
#11 0x00000000008bf24d in row_ins_sec_index_entry_low (flags=flags@entry=0, 
    mode=mode@entry=2, index=index@entry=0x7fe1f4636868, 
    offsets_heap=0xffffffffffffffff, offsets_heap@entry=0x7fe1f4798000, 
    heap=heap@entry=0x7fe1f4797600, entry=entry@entry=0x7fe1f4796e78, 
    trx_id=trx_id@entry=0, thr=thr@entry=0x7fe1f46f7d78)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:2817
#12 0x00000000008c15ca in row_ins_sec_index_entry (index=index@entry=0x7fe1f4636868, 
    entry=0x7fe1f4796e78, thr=thr@entry=0x7fe1f46f7d78)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:2968
#13 0x00000000008c196b in row_ins_index_entry (thr=0x7fe1f46f7d78, 
    entry=<optimized out>, index=0x7fe1f4636868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3007
#14 row_ins_index_entry_step (thr=0x7fe1f46f7d78, node=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3082
#15 row_ins (thr=0x7fe1f46f7d78, node=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3222
#16 row_ins_step (thr=0x7fe1f46f7d78)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3347
#17 0x00000000008ca9b0 in row_insert_for_mysql (mysql_rec=<optimized out>, 
    prebuilt=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0mysql.cc:1313
#18 0x0000000000847927 in ha_innobase::write_row (this=0x7fe1f4755020, 
    record=0x7fe1f4607020 "\370\237\067U\005\216Mr")
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:7564
#19 0x00000000007170df in handler::ha_write_row (this=0x7fe1f4755020, 
    buf=0x7fe1f4607020 "\370\237\067U\005\216Mr")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5965
#20 0x0000000000ac4273 in ha_partition::write_row (this=0x7fe1f4696620, 
    buf=0x7fe1f4607020 "\370\237\067U\005\216Mr")
    at /home/sean/build/mariadb-10.0.13/sql/ha_partition.cc:4164
#21 0x00000000007170df in handler::ha_write_row (this=0x7fe1f4696620, 
    buf=0x7fe1f4607020 "\370\237\067U\005\216Mr")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5965
#22 0x000000000053fff7 in copy_data_between_tables (thd=0x4b60248, 
    thd@entry=0x7fe1f21e1008, from=from@entry=0x7fe1f6079808, 
    to=to@entry=0x7fe1f4429008, create=..., ignore=ignore@entry=false, 
    order_num=order_num@entry=0, order=order@entry=0x0, 
    copied=copied@entry=0x7ff208d99710, deleted=deleted@entry=0x7ff208d99718, 
    keys_onoff=Alter_info::LEAVE_AS_IS, alter_ctx=alter_ctx@entry=0x7ff208d9a390)
    at /home/sean/build/mariadb-10.0.13/sql/sql_table.cc:9424
#23 0x000000000064f2a0 in mysql_alter_table (thd=0x7fe1f21e1008, 
    new_db=<optimized out>, new_name=0x7ff208d9aeb0 "\300T0\001", 
    create_info=0x7ff208d9af40, table_list=0x7fe1f6c6ba10, 
    alter_info=0x7ff208d9aeb0, order_num=0, order=0x0, ignore=false)
    at /home/sean/build/mariadb-10.0.13/sql/sql_table.cc:8912
#24 0x000000000068d9a1 in Sql_cmd_alter_table::execute (this=<optimized out>, 
    thd=0x7fe1f21e1008) at /home/sean/build/mariadb-10.0.13/sql/sql_alter.cc:312
#25 0x00000000005d7816 in mysql_execute_command (thd=thd@entry=0x7fe1f21e1008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5082
#26 0x00000000005dd88a in mysql_parse (parser_state=0x7ff208d9c5d0, 
    thd=0x7fe1f21e1008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#27 mysql_parse (thd=0x7fe1f21e1008, rawbuf=<optimized out>, length=1175, 
    parser_state=0x7ff208d9c5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#28 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f21e1008, 
    packet=<optimized out>, packet_length=1175)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#29 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f21e1008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#30 0x00000000006ea7ad in handle_event (connection=0x7fe1f18a0a08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#31 worker_main (param=0x7fe1aebbea08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#32 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#33 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#34 0x0000000000000000 in ?? ()

Thread 35 (Thread 0x7ffb3e16a700 (LWP 45371)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=14)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe1f9c90020, 
    thd=0x7fe1f25b9008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f25b9008, tables=0x7fe1f9c90020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe1f9c91600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe1f9c91600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe1f9c91600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f25b9008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f25bd540, 
    tables=0x7fe1f9c90020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1f9c915e0, 
    unit=0x7fe1f25bcbe0, select_lex=select_lex@entry=0x7fe1f25bd2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f25b9008, lex=0x7fe1f25bcb18, 
    result=0x7fe1f9c915e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f25b9008, 
    all_tables=0x7fe1f9c90020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f25b9008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ffb3e1695d0, 
    thd=0x7fe1f25b9008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f25b9008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ffb3e1695d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f25b9008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f25b9008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1aeb5e488)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbea08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 34 (Thread 0x7ffb3e075700 (LWP 1806)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58c800, reset_sig_count=330222)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=4)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7ffb3e83e0b8, 
    high_priority=false, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", line=358)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000088c17b in mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:313
#6  mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:311
#7  pfs_mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:397
#8  log_reserve_and_write_fast (start_lsn=0x7ffb3e0712b0, len=38, str=0x7ffb3e071068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic:358
#9  mtr_log_reserve_and_write (mtr=0x7ffb3e070e20)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:265
#10 mtr_commit (mtr=0x7ffb3e070e20)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:327
#11 0x00000000009123cc in trx_undo_assign_undo (trx=<optimized out>, 
    type=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0undo.cc:1813
#12 0x0000000000901fdb in trx_undo_report_row_operation (flags=<optimized out>, 
    op_type=2, thr=<optimized out>, index=0x7fe1f442b5e8, clust_entry=0x0, 
    update=0x7fe1f44c9ed0, cmpl_info=1, rec=0x7ff75e06867d "", 
    offsets=0x7ffb3e072850, roll_ptr=0x7ffb3e0725b8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0rec.cc:1279
#13 0x00000000009282a8 in btr_cur_upd_lock_and_undo (flags=2, 
    cursor=<optimized out>, offsets=0x7ffb3e072850, update=0x7fe1f44c9ed0, 
    cmpl_info=<optimized out>, thr=0x7fe1f44d9298, mtr=0x7ffb3e072b70, 
    roll_ptr=0x7ffb3e0725b8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/btr/btr0cur.cc:1817
#14 0x000000000092de8b in btr_cur_upd_lock_and_undo (roll_ptr=0x7ffb3e0725b8, 
    mtr=0x7ffb3e072b70, thr=0x7fe1f44d9298, cmpl_info=1, update=0x7fe1f44c9ed0, 
    offsets=0x7ffb3e072850, cursor=0x7fe1f44bf368, flags=2)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/btr/btr0cur.cc:2128
#15 btr_cur_update_in_place (flags=flags@entry=2, 
    cursor=cursor@entry=0x7fe1f44bf368, offsets=0x7ffb3e072850, 
    update=update@entry=0x7fe1f44c9ed0, cmpl_info=cmpl_info@entry=1, 
    thr=thr@entry=0x7fe1f44d9298, trx_id=trx_id@entry=34235055519, 
    mtr=mtr@entry=0x7ffb3e072b70)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/btr/btr0cur.cc:2128
#16 0x000000000092e474 in btr_cur_optimistic_update (flags=2, cursor=0x7fe1f44bf368, 
    offsets=0x7ffb3e072758, heap=0x7ffb3e072810, update=0x7fe1f44c9ed0, cmpl_info=1, 
    thr=0x7fe1f44d9298, trx_id=34235055519, mtr=0x7ffb3e072b70)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/btr/btr0cur.cc:2293
#17 0x00000000008e3804 in row_upd_clust_rec (node=node@entry=0x7fe1f44c9dc8, 
    index=index@entry=0x7fe1f442b5e8, offsets=offsets@entry=0x7ffb3e072850, 
    offsets_heap=offsets_heap@entry=0x7ffb3e072810, thr=thr@entry=0x7fe1f44d9298, 
    mtr=mtr@entry=0x7ffb3e072b70)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0upd.cc:2146
#18 0x00000000008e6ad5 in row_upd_clust_step (node=node@entry=0x7fe1f44c9dc8, 
    thr=thr@entry=0x7fe1f44d9298)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0upd.cc:2454
#19 0x00000000008e79cc in row_upd (thr=0x7fe1f44d9298, node=0x7fe1f44c9dc8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0upd.cc:2540
#20 row_upd_step (thr=0x7fe1f44d9298)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0upd.cc:2692
#21 0x00000000008cb953 in row_update_for_mysql (mysql_rec=<optimized out>, 
    prebuilt=0x7fe1f44c9068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0mysql.cc:1731
#22 0x0000000000846e47 in ha_innobase::update_row (this=<optimized out>, 
    old_row=0x7fe1f448d358 "\360\032\062\060\061\064-09-17T07:13:22.000790o\231\001", new_row=0x7fe1f448d120 "\360\032\062\060\061\064-09-17T07:13:22.500520o\231\001")
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:8039
#23 0x0000000000717232 in handler::ha_update_row (this=0x7fe1f4415020, 
    old_data=0x7fe1f448d358 "\360\032\062\060\061\064-09-17T07:13:22.000790o\231\001", new_data=0x7fe1f448d120 "\360\032\062\060\061\064-09-17T07:13:22.500520o\231\001")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5998
#24 0x00000000005c0da4 in write_record (thd=thd@entry=0x7fe22abd7008, 
    table=table@entry=0x7fe1f446c808, info=info@entry=0x7ffb3e073430)
    at /home/sean/build/mariadb-10.0.13/sql/sql_insert.cc:1777
#25 0x00000000005c36bd in mysql_insert (thd=0x7fe22abd7008, 
    table_list=0x7fe1f40242f8, fields=..., values_list=..., update_fields=..., 
    update_values=..., duplic=DUP_REPLACE, ignore=false)
    at /home/sean/build/mariadb-10.0.13/sql/sql_insert.cc:960
#26 0x00000000005d7acf in mysql_execute_command (thd=thd@entry=0x7fe22abd7008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:3437
#27 0x00000000005dd88a in mysql_parse (parser_state=0x7ffb3e0745d0, 
    thd=0x7fe22abd7008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#28 mysql_parse (thd=0x7fe22abd7008, rawbuf=<optimized out>, length=228, 
    parser_state=0x7ffb3e0745d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#29 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe22abd7008, 
    packet=<optimized out>, packet_length=228)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#30 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe22abd7008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#31 0x00000000006ea7ad in handle_event (connection=0x7ffb3e8b0608)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#32 worker_main (param=0x7fe1aebbec08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#33 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#34 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#35 0x0000000000000000 in ?? ()

Thread 33 (Thread 0x7ff83353b700 (LWP 851)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=13)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe1f55ee020, 
    thd=0x7fe1f212c008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f212c008, tables=0x7fe1f55ee020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe1f55ef600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe1f55ef600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe1f55ef600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f212c008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f2130540, 
    tables=0x7fe1f55ee020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1f55ef5e0, 
    unit=0x7fe1f212fbe0, select_lex=select_lex@entry=0x7fe1f21302c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f212c008, lex=0x7fe1f212fb18, 
    result=0x7fe1f55ef5e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f212c008, 
    all_tables=0x7fe1f55ee020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f212c008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff83353a5d0, 
    thd=0x7fe1f212c008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f212c008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff83353a5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f212c008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f212c008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f203cc08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbee08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 32 (Thread 0x7ff51e16c700 (LWP 2762)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=19)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe19274d020, 
    thd=0x7fe1f2255008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f2255008, tables=0x7fe19274d020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe19274e600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe19274e600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe19274e600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f2255008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f2259540, 
    tables=0x7fe19274d020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe19274e5e0, 
    unit=0x7fe1f2258be0, select_lex=select_lex@entry=0x7fe1f22592c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f2255008, lex=0x7fe1f2258b18, 
    result=0x7fe19274e5e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f2255008, 
    all_tables=0x7fe19274d020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f2255008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff51e16b5d0, 
    thd=0x7fe1f2255008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f2255008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff51e16b5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f2255008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f2255008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f203cfc8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbe208)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 31 (Thread 0x7ff8335ff700 (LWP 10186)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58c800, reset_sig_count=330222)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=6)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7ffb3e83e0b8, 
    high_priority=false, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", line=358)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000088c17b in mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:313
#6  mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:311
#7  pfs_mutex_enter_func (line=358, 
    file_name=0xc88de0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic", mutex=0x7ffb3e83e0b8, priority=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:397
#8  log_reserve_and_write_fast (start_lsn=0x7ff8335fc340, len=10, str=0x7ff8335fc0f8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic:358
#9  mtr_log_reserve_and_write (mtr=0x7ff8335fbeb0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:265
#10 mtr_commit (mtr=0x7ff8335fbeb0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:327
#11 0x0000000000907be5 in trx_sys_flush_max_trx_id ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0sys.cc:188
#12 0x000000000090ccd8 in trx_sys_get_new_trx_id ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/trx0sys.ic:488
#13 trx_start_low (trx=0x7fe1fa013468)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc:1064
#14 0x00000000008df267 in row_search_for_mysql (
    buf=0x7fe1f36e8720 "\377", <incomplete sequence \355>, mode=<optimized out>, 
    prebuilt=0x7fe1f3783068, match_mode=<optimized out>, direction=0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0sel.cc:4037
#15 0x00000000008484c1 in ha_innobase::index_read (this=0x7fe1f377d020, 
    buf=0x7fe1f36e8720 "\377", <incomplete sequence \355>, key_ptr=<optimized out>, 
    key_len=<optimized out>, find_flag=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:8494
#16 0x000000000071270c in handler::ha_index_read_map (this=0x7fe1f377d020, 
    buf=0x7fe1f36e8720 "\377", <incomplete sequence \355>, 
    key=0x7fe1fa83dfd8  <incomplete sequence \355>, keypart_map=1, 
    find_flag=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:2597
#17 0x000000000060f83f in join_read_always_key (tab=0x7fe1fa920440)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:18349
#18 0x0000000000603121 in sub_select (join=0x7fe1fa83d050, join_tab=0x7fe1fa920440, 
    end_of_records=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:17604
#19 0x000000000060e9fd in do_select (join=join@entry=0x7fe1fa83d050, 
    fields=fields@entry=0x7fe1f218a3e0, table=table@entry=0x0, procedure=0x0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:17269
#20 0x000000000061f787 in JOIN::exec_inner (this=this@entry=0x7fe1fa83d050)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3079
#21 0x00000000006214c1 in JOIN::exec (this=0x7fe1fa83d050)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#22 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f2186008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f218a540, 
    tables=0x7fe1fa83c670, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2148829952, result=result@entry=0x7fe1fa83d030, 
    unit=0x7fe1f2189be0, select_lex=select_lex@entry=0x7fe1f218a2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#23 0x00000000006217bd in handle_select (thd=0x7fe1f2186008, lex=0x7fe1f2189b18, 
    result=0x7fe1fa83d030, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#24 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f2186008, 
    all_tables=0x7fe1fa83c670)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#25 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f2186008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#26 0x00000000005dd88a in mysql_parse (parser_state=0x7ff8335fe5d0, 
    thd=0x7fe1f2186008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#27 mysql_parse (thd=0x7fe1f2186008, rawbuf=<optimized out>, length=131, 
    parser_state=0x7ff8335fe5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#28 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f2186008, 
    packet=<optimized out>, packet_length=131)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#29 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f2186008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#30 0x00000000006ea7ad in handle_event (connection=0x7fe1f1a35288)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#31 worker_main (param=0x7fe1aebbf808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#32 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#33 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#34 0x0000000000000000 in ?? ()

Thread 30 (Thread 0x7ff51e046700 (LWP 10392)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=63, 
    native_events=native_events@entry=0x7ff51e042cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbe408, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff51e045dd0, 
    thread_group=thread_group@entry=0x7fe1aebbe408, 
    abstime=abstime@entry=0x7ff51e045d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbe408)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 29 (Thread 0x7ffb411c2700 (LWP 11277)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe1938c3020, 
    thd=0x7fe1f23a7008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f23a7008, tables=0x7fe1938c3020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe1938c4600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe1938c4600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe1938c4600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f23a7008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f23ab540, 
    tables=0x7fe1938c3020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1938c45e0, 
    unit=0x7fe1f23aabe0, select_lex=select_lex@entry=0x7fe1f23ab2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f23a7008, lex=0x7fe1f23aab18, 
    result=0x7fe1938c45e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f23a7008, 
    all_tables=0x7fe1938c3020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f23a7008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ffb411c15d0, 
    thd=0x7fe1f23a7008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f23a7008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ffb411c15d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f23a7008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f23a7008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f20328c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbf608)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 28 (Thread 0x7ff8334d9700 (LWP 11316)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=10)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe194f7b020, 
    thd=0x7fe1f1bcd008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f1bcd008, tables=0x7fe194f7b020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe194f7c600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe194f7c600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe194f7c600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f1bcd008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f1bd1540, 
    tables=0x7fe194f7b020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe194f7c5e0, 
    unit=0x7fe1f1bd0be0, select_lex=select_lex@entry=0x7fe1f1bd12c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f1bcd008, lex=0x7fe1f1bd0b18, 
    result=0x7fe194f7c5e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f1bcd008, 
    all_tables=0x7fe194f7b020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f1bcd008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff8334d85d0, 
    thd=0x7fe1f1bcd008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f1bcd008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff8334d85d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f1bcd008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f1bcd008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f203c788)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbf408)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 27 (Thread 0x7ff51e0d9700 (LWP 11529)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=20)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe194394020, 
    thd=0x7fe1f2664008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f2664008, tables=0x7fe194394020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe194395600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe194395600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe194395600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f2664008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f2668540, 
    tables=0x7fe194394020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1943955e0, 
    unit=0x7fe1f2667be0, select_lex=select_lex@entry=0x7fe1f26682c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f2664008, lex=0x7fe1f2667b18, 
    result=0x7fe1943955e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f2664008, 
    all_tables=0x7fe194394020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f2664008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff51e0d85d0, 
    thd=0x7fe1f2664008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f2664008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff51e0d85d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f2664008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f2664008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe22abaa488)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbe008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 26 (Thread 0x7ff51e10a700 (LWP 13338)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=75, 
    native_events=native_events@entry=0x7ff51e106cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbfc08, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff51e109dd0, 
    thread_group=thread_group@entry=0x7fe1aebbfc08, 
    abstime=abstime@entry=0x7ff51e109d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbfc08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 25 (Thread 0x7ff833477700 (LWP 13372)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=64, 
    native_events=native_events@entry=0x7ff833473cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbe608, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff833476dd0, 
    thread_group=thread_group@entry=0x7fe1aebbe608, 
    abstime=abstime@entry=0x7ff833476d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbe608)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 24 (Thread 0x7ff51e077700 (LWP 13546)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=18)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe194322020, 
    thd=0x7fe1f2646008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f2646008, tables=0x7fe194322020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe194323600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe194323600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe194323600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f2646008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f264a540, 
    tables=0x7fe194322020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1943235e0, 
    unit=0x7fe1f2649be0, select_lex=select_lex@entry=0x7fe1f264a2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f2646008, lex=0x7fe1f2649b18, 
    result=0x7fe1943235e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f2646008, 
    all_tables=0x7fe194322020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f2646008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff51e0765d0, 
    thd=0x7fe1f2646008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f2646008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff51e0765d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f2646008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f2646008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f203cd88)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbe808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 23 (Thread 0x7ffb41160700 (LWP 13629)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58df00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58df00, reset_sig_count=107)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=7)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fe28c7c1868, 
    high_priority=false, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1396)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x00000000008f9914 in mutex_enter_func (line=1396, mutex=0x7fe28c7c1868, 
    file_name=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:268
#6  pfs_mutex_enter_func (line=1396, mutex=0x7fe28c7c1868, file_name=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:363
#7  trx_i_s_possibly_fetch_data_into_cache (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1396
#8  0x0000000000852fea in trx_i_s_common_fill_table (tables=0x7fe19451f020, 
    thd=0x7fe22abc9008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1294
#9  trx_i_s_common_fill_table (thd=0x7fe22abc9008, tables=0x7fe19451f020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#10 0x0000000000637fb6 in get_schema_tables_result (join=0x7fe194520600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#11 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe194520600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#12 0x00000000006214c1 in JOIN::exec (this=0x7fe194520600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#13 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe22abc9008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe22abcd540, 
    tables=0x7fe19451f020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1945205e0, 
    unit=0x7fe22abccbe0, select_lex=select_lex@entry=0x7fe22abcd2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#14 0x00000000006217bd in handle_select (thd=0x7fe22abc9008, lex=0x7fe22abccb18, 
    result=0x7fe1945205e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#15 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe22abc9008, 
    all_tables=0x7fe19451f020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#16 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe22abc9008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#17 0x00000000005dd88a in mysql_parse (parser_state=0x7ffb4115f5d0, 
    thd=0x7fe22abc9008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#18 mysql_parse (thd=0x7fe22abc9008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ffb4115f5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#19 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe22abc9008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#20 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe22abc9008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#21 0x00000000006ea7ad in handle_event (connection=0x7ffb3e8b0548)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#22 worker_main (param=0x7fe1aebbf008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#23 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 22 (Thread 0x7ffb3e0d7700 (LWP 13960)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58df00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58df00, reset_sig_count=107)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=9)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fe28c7c1868, 
    high_priority=false, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", line=333) at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000090d5a4 in mutex_enter_func (line=333, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", mutex=0x7fe28c7c1868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:268
#6  pfs_mutex_enter_func (line=333, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", mutex=0x7fe28c7c1868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:363
#7  trx_allocate_for_mysql ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc:333
#8  0x000000000083be88 in innobase_trx_allocate (thd=thd@entry=0x7fe1f19b5008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2374
#9  0x000000000083df78 in check_trx_exists (thd=0x7fe1f19b5008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2397
#10 ha_innobase::extra (this=0x7fe1f360e020, operation=HA_EXTRA_ADD_CHILDREN_LIST)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:12985
#11 0x00000000005a20d0 in open_and_process_table (new_frm_mem=0x7ffb3e0d5130, 
    ot_ctx=0x7ffb3e0d50f0, has_prelocking_list=false, 
    prelocking_strategy=0x7ffb3e0d5240, flags=0, counter=0x7ffb3e0d51cc, 
    tables=0x7fe1fb4469a8, lex=0x7fe1f19b8b18, thd=0x7fe1f19b5008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4040
#12 open_tables (thd=thd@entry=0x7fe1f19b5008, start=start@entry=0x7ffb3e0d51b8, 
    counter=counter@entry=0x7ffb3e0d51cc, flags=flags@entry=0, 
    prelocking_strategy=0x7ffb3e0d5240)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4469
#13 0x00000000005a2984 in open_and_lock_tables (thd=0x7fe1f19b5008, 
    tables=0x7fe1fb4469a8, derived=true, flags=0, 
    prelocking_strategy=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:5112
#14 0x00000000005d0188 in open_and_lock_tables (flags=0, derived=true, 
    tables=0x7fe1fb4469a8, thd=0x7fe1f19b5008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.h:486
#15 execute_sqlcom_select (thd=thd@entry=0x7fe1f19b5008, all_tables=0x7fe1fb4469a8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5210
#16 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f19b5008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#17 0x00000000005dd88a in mysql_parse (parser_state=0x7ffb3e0d65d0, 
    thd=0x7fe1f19b5008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#18 mysql_parse (thd=0x7fe1f19b5008, rawbuf=<optimized out>, length=442, 
    parser_state=0x7ffb3e0d65d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#19 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f19b5008, 
    packet=<optimized out>, packet_length=442)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#20 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f19b5008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#21 0x00000000006ea7ad in handle_event (connection=0x7fe1f203c748)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#22 worker_main (param=0x7fe1aebbf208)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#23 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 21 (Thread 0x7ffb3e108700 (LWP 14488)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=74, 
    native_events=native_events@entry=0x7ffb3e104cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbfa08, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ffb3e107dd0, 
    thread_group=thread_group@entry=0x7fe1aebbfa08, 
    abstime=abstime@entry=0x7ffb3e107d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbfa08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7ff83356c700 (LWP 14560)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=11)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe1f8c96020, 
    thd=0x7fe1fc184008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1fc184008, tables=0x7fe1f8c96020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe1f8c97600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe1f8c97600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe1f8c97600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1fc184008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1fc188540, 
    tables=0x7fe1f8c96020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1f8c975e0, 
    unit=0x7fe1fc187be0, select_lex=select_lex@entry=0x7fe1fc1882c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1fc184008, lex=0x7fe1fc187b18, 
    result=0x7fe1f8c975e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1fc184008, 
    all_tables=0x7fe1f8c96020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1fc184008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff83356b5d0, 
    thd=0x7fe1fc184008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1fc184008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff83356b5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1fc184008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1fc184008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f203c9c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbf008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7ffb3e044700 (LWP 14875)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=73, 
    native_events=native_events@entry=0x7ffb3e040cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbf808, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ffb3e043dd0, 
    thread_group=thread_group@entry=0x7fe1aebbf808, 
    abstime=abstime@entry=0x7ffb3e043d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbf808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7ff208dff700 (LWP 14915)):
#0  0x00007ffb40ee589c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffb40ee109b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ffb40ee101c in pthread_mutex_lock ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x000000000062bd6a in inline_mysql_mutex_lock (that=<optimized out>, 
    src_file=<optimized out>, src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:693
#4  inline_mysql_mutex_lock (src_line=3490, 
    src_file=0xb85450 "/home/sean/build/mariadb-10.0.13/sql/sql_show.cc", 
    that=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:3485
#5  calc_sum_of_all_status (to=to@entry=0x7ff208dfc770)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:3490
#6  0x0000000000631e2c in fill_status (thd=0x7fe1f2331008, tables=0x7fe194f383a8, 
    cond=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:7347
#7  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe194f38d78, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#8  0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe194f38d78)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#9  0x00000000006214c1 in JOIN::exec (this=0x7fe194f38d78)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#10 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f2331008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f2335540, 
    tables=0x7fe194f383a8, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe194f38d58, 
    unit=0x7fe1f2334be0, select_lex=select_lex@entry=0x7fe1f23352c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#11 0x00000000006217bd in handle_select (thd=0x7fe1f2331008, lex=0x7fe1f2334b18, 
    result=0x7fe194f38d58, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#12 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f2331008, 
    all_tables=0x7fe194f383a8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#13 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f2331008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#14 0x00000000005dd88a in mysql_parse (parser_state=0x7ff208dfe5d0, 
    thd=0x7fe1f2331008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#15 mysql_parse (thd=0x7fe1f2331008, rawbuf=<optimized out>, length=61, 
    parser_state=0x7ff208dfe5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#16 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f2331008, 
    packet=<optimized out>, packet_length=61)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#17 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f2331008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#18 0x00000000006ea7ad in handle_event (connection=0x7fe1f20321c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#19 worker_main (param=0x7fe1aebbf408)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#20 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#21 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#22 0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7ff51e1ff700 (LWP 15007)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=72, 
    native_events=native_events@entry=0x7ff51e1fbcb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbf608, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff51e1fedd0, 
    thread_group=thread_group@entry=0x7fe1aebbf608, 
    abstime=abstime@entry=0x7ff51e1fed90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbf608)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7ff51e0a8700 (LWP 15044)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=17)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe1f9d2f020, 
    thd=0x7fe1fc00b008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1fc00b008, tables=0x7fe1f9d2f020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe1f9d30600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe1f9d30600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe1f9d30600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1fc00b008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1fc00f540, 
    tables=0x7fe1f9d2f020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1f9d305e0, 
    unit=0x7fe1fc00ebe0, select_lex=select_lex@entry=0x7fe1fc00f2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1fc00b008, lex=0x7fe1fc00eb18, 
    result=0x7fe1f9d305e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1fc00b008, 
    all_tables=0x7fe1f9d2f020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1fc00b008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff51e0a75d0, 
    thd=0x7fe1fc00b008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1fc00b008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff51e0a75d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1fc00b008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1fc00b008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f1a357c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbea08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7ff83359d700 (LWP 15089)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=70, 
    native_events=native_events@entry=0x7ff833599cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbf208, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff83359cdd0, 
    thread_group=thread_group@entry=0x7fe1aebbf208, 
    abstime=abstime@entry=0x7ff83359cd90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbf208)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7ff208dce700 (LWP 15135)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7ffb3ebf6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7ffb3ebf6880, reset_sig_count=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=16)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f72e4 in rw_lock_x_lock_func (lock=0x133d7c0, pass=0, 
    file_name=0xcac3b8 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc", line=1519, priority_lock=true, high_priority=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0rw.cc:870
#5  0x00000000008f9f3f in pfs_rw_lock_x_lock_func (lock=0x133d7c0, 
    pass=<optimized out>, file_name=<optimized out>, line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0rw.ic:889
#6  trx_i_s_cache_start_write (cache=0x133d7c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0i_s.cc:1519
#7  0x0000000000852fe2 in trx_i_s_common_fill_table (tables=0x7fe1fa43c020, 
    thd=0x7fe1f273b008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7fe1f273b008, tables=0x7fe1fa43c020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe1fa43d600, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#10 0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe1fa43d600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7fe1fa43d600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f273b008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1f273f540, 
    tables=0x7fe1fa43c020, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684619520, result=result@entry=0x7fe1fa43d5e0, 
    unit=0x7fe1f273ebe0, select_lex=select_lex@entry=0x7fe1f273f2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7fe1f273b008, lex=0x7fe1f273eb18, 
    result=0x7fe1fa43d5e0, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#14 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f273b008, 
    all_tables=0x7fe1fa43c020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f273b008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7ff208dcd5d0, 
    thd=0x7fe1f273b008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7fe1f273b008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7ff208dcd5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f273b008, 
    packet=<optimized out>, packet_length=491)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#19 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f273b008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7fe1f1969e88)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7fe1aebbf008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7ff833446700 (LWP 15161)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58df00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58df00, reset_sig_count=107)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=12)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fe28c7c1868, 
    high_priority=false, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", line=333) at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000090d5a4 in mutex_enter_func (line=333, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", mutex=0x7fe28c7c1868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:268
#6  pfs_mutex_enter_func (line=333, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", mutex=0x7fe28c7c1868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:363
#7  trx_allocate_for_mysql ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc:333
#8  0x000000000083be88 in innobase_trx_allocate (thd=thd@entry=0x7fe1f382e008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2374
#9  0x000000000083df78 in check_trx_exists (thd=0x7fe1f382e008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2397
#10 ha_innobase::extra (this=0x7fe1f5d5b020, operation=HA_EXTRA_ADD_CHILDREN_LIST)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:12985
#11 0x00000000005a20d0 in open_and_process_table (new_frm_mem=0x7ff833443b50, 
    ot_ctx=0x7ff833443b10, has_prelocking_list=false, 
    prelocking_strategy=0x7ff833443d60, flags=0, counter=0x7ff833443bec, 
    tables=0x7fe1fb052268, lex=0x7fe1fb061020, thd=0x7fe1f382e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4040
#12 open_tables (thd=thd@entry=0x7fe1f382e008, start=start@entry=0x7ff833443bd8, 
    counter=counter@entry=0x7ff833443bec, flags=flags@entry=0, 
    prelocking_strategy=0x7ff833443d60)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4469
#13 0x00000000005a2984 in open_and_lock_tables (thd=0x7fe1f382e008, 
    tables=0x7fe1fb052268, derived=true, flags=0, 
    prelocking_strategy=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:5112
#14 0x0000000000808df4 in open_and_lock_tables (flags=0, derived=true, 
    tables=0x7fe1fb052268, thd=0x7fe1f382e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.h:486
#15 mysql_delete (thd=0x7fe1f382e008, table_list=0x7fe1fb052268, conds=0xd8, 
    order_list=0x7fe1fb061a08, limit=18446744073709551615, options=0, 
    result=0x7fe1fb067198) at /home/sean/build/mariadb-10.0.13/sql/sql_delete.cc:232
#16 0x00000000005d7c6b in mysql_execute_command (thd=0x7fe1f382e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:3577
#17 0x00000000007f39de in sp_instr_stmt::exec_core (this=0x7fe1fb05c598, 
    thd=<optimized out>, nextp=0x7ff833445274)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:3194
#18 0x00000000007f8d1b in sp_lex_keeper::reset_lex_and_exec_core (
    this=this@entry=0x7fe1fb05c5d8, thd=thd@entry=0x7fe1f382e008, 
    nextp=nextp@entry=0x7ff833445274, open_tables=open_tables@entry=false, 
    instr=instr@entry=0x7fe1fb05c598)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2964
#19 0x00000000007f9215 in sp_instr_stmt::execute (this=0x7fe1fb05c598, 
    thd=0x7fe1f382e008, nextp=0x7ff833445274)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:3113
#20 0x00000000007f673a in sp_head::execute (this=this@entry=0x7fe1fb051020, 
    thd=thd@entry=0x7fe1f382e008, merge_da_on_success=merge_da_on_success@entry=true)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:1366
#21 0x00000000007f796f in sp_head::execute_procedure (this=0x7fe1fb051020, 
    thd=<optimized out>, args=0x7ff833445600)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2152
#22 0x0000000000677f29 in Event_job_data::execute (this=0x7ff833445d40, 
    thd=0x7fe1f382e008, drop=false)
    at /home/sean/build/mariadb-10.0.13/sql/event_data_objects.cc:1433
#23 0x00000000008223bd in Event_worker_thread::run (this=this@entry=0x7ff833445e3f, 
    thd=thd@entry=0x7fe1f382e008, event=event@entry=0x7fe1f38eea00)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:322
#24 0x0000000000822451 in event_worker_thread (arg=0x7fe1f38eea00)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:279
#25 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#26 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#27 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7ffb3f034700 (LWP 15174)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58df00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58df00, reset_sig_count=107)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=15)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fe28c7c1868, 
    high_priority=false, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", line=333) at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000090d5a4 in mutex_enter_func (line=333, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", mutex=0x7fe28c7c1868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:268
#6  pfs_mutex_enter_func (line=333, 
    file_name=0xcad770 "/home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc", mutex=0x7fe28c7c1868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:363
#7  trx_allocate_for_mysql ()
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc:333
#8  0x000000000083be88 in innobase_trx_allocate (thd=thd@entry=0x7fe1f25ed008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2374
#9  0x00000000008435f1 in check_trx_exists (thd=0x7fe1f25ed008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2397
#10 update_thd (thd=0x7fe1f25ed008, this=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2680
#11 ha_innobase::info_low (this=0x7fe1f903d020, flag=26, is_analyze=false)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:11871
#12 0x000000000084a0bf in ha_innobase::open (this=0x7fe1f903d020, 
    name=<optimized out>, mode=<optimized out>, test_if_locked=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:5979
#13 0x0000000000711fce in handler::ha_open (this=0x7fe1f903d020, 
    table_arg=<optimized out>, name=0x7fe1f3438898 "./enwiki/revision", mode=2, 
    test_if_locked=18) at /home/sean/build/mariadb-10.0.13/sql/handler.cc:2480
#14 0x00000000006673d1 in open_table_from_share (thd=<optimized out>, 
    share=<optimized out>, alias=<optimized out>, db_stat=39, 
    prgflag=<optimized out>, ha_open_flags=18, outparam=0x7fe1f90a4808, 
    is_create_table=false) at /home/sean/build/mariadb-10.0.13/sql/table.cc:2863
#15 0x00000000005a157e in open_table (thd=thd@entry=0x7fe1f25ed008, 
    table_list=table_list@entry=0x7fe1943c79a8, 
    mem_root=mem_root@entry=0x7ffb3f032130, ot_ctx=ot_ctx@entry=0x7ffb3f0320f0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:2462
#16 0x00000000005a2768 in open_and_process_table (new_frm_mem=0x7ffb3f032130, 
    ot_ctx=0x7ffb3f0320f0, has_prelocking_list=false, 
    prelocking_strategy=0x7ffb3f032240, flags=0, counter=0x7ffb3f0321cc, 
    tables=0x7fe1943c79a8, lex=0x7fe1f25f0b18, thd=0x7fe1f25ed008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:3935
#17 open_tables (thd=thd@entry=0x7fe1f25ed008, start=start@entry=0x7ffb3f0321b8, 
    counter=counter@entry=0x7ffb3f0321cc, flags=flags@entry=0, 
    prelocking_strategy=0x7ffb3f032240)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4469
#18 0x00000000005a2984 in open_and_lock_tables (thd=0x7fe1f25ed008, 
    tables=0x7fe1943c79a8, derived=true, flags=0, 
    prelocking_strategy=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:5112
#19 0x00000000005d0188 in open_and_lock_tables (flags=0, derived=true, 
    tables=0x7fe1943c79a8, thd=0x7fe1f25ed008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.h:486
#20 execute_sqlcom_select (thd=thd@entry=0x7fe1f25ed008, all_tables=0x7fe1943c79a8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5210
#21 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7fe1f25ed008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#22 0x00000000005dd88a in mysql_parse (parser_state=0x7ffb3f0335d0, 
    thd=0x7fe1f25ed008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#23 mysql_parse (thd=0x7fe1f25ed008, rawbuf=<optimized out>, length=442, 
    parser_state=0x7ffb3f0335d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#24 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7fe1f25ed008, 
    packet=<optimized out>, packet_length=442)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#25 0x00000000006bc9b7 in threadpool_process_request (thd=0x7fe1f25ed008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#26 0x00000000006ea7ad in handle_event (connection=0x7fe1aeb5ee08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#27 worker_main (param=0x7fe1aebbe608)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#28 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#29 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#30 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7ffb3e1cc700 (LWP 15235)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=68, 
    native_events=native_events@entry=0x7ffb3e1c8cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbee08, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ffb3e1cbdd0, 
    thread_group=thread_group@entry=0x7fe1aebbee08, 
    abstime=abstime@entry=0x7ffb3e1cbd90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbee08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7ff51e13b700 (LWP 15301)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=76, 
    native_events=native_events@entry=0x7ff51e137cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbfe08, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff51e13add0, 
    thread_group=thread_group@entry=0x7fe1aebbfe08, 
    abstime=abstime@entry=0x7ff51e13ad90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbfe08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7ffb3e0a6700 (LWP 15369)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=66, 
    native_events=native_events@entry=0x7ffb3e0a2cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbea08, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ffb3e0a5dd0, 
    thread_group=thread_group@entry=0x7fe1aebbea08, 
    abstime=abstime@entry=0x7ffb3e0a5d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbea08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7ff208ca8700 (LWP 15377)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=69, 
    native_events=native_events@entry=0x7ff208ca4cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbf008, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff208ca7dd0, 
    thread_group=thread_group@entry=0x7fe1aebbf008, 
    abstime=abstime@entry=0x7ff208ca7d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbf008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7ff208cd9700 (LWP 15496)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=62, 
    native_events=native_events@entry=0x7ff208cd5cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbe208, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff208cd8dd0, 
    thread_group=thread_group@entry=0x7fe1aebbe208, 
    abstime=abstime@entry=0x7ff208cd8d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbe208)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ff208d0a700 (LWP 15505)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=65, 
    native_events=native_events@entry=0x7ff208d06cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbe808, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ff208d09dd0, 
    thread_group=thread_group@entry=0x7fe1aebbe808, 
    abstime=abstime@entry=0x7ff208d09d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbe808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ffb3e19b700 (LWP 15559)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=71, 
    native_events=native_events@entry=0x7ffb3e197cb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbf408, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7ffb3e19add0, 
    thread_group=thread_group@entry=0x7fe1aebbf408, 
    abstime=abstime@entry=0x7ffb3e19ad90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbf408)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7feef35ce700 (LWP 15632)):
#0  0x00007ffb3f3639b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=61, 
    native_events=native_events@entry=0x7feef35cacb0, 
    maxevents=maxevents@entry=1024, timeout_ms=timeout_ms@entry=-1)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:284
#2  0x00000000006e9fc9 in listener (thread_group=thread_group@entry=0x7fe1aebbe008, 
    current_thread=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:650
#3  0x00000000006ea554 in get_event (
    current_thread=current_thread@entry=0x7feef35cddd0, 
    thread_group=thread_group@entry=0x7fe1aebbe008, 
    abstime=abstime@entry=0x7feef35cdd90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7fe1aebbe008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ff208d3b700 (LWP 15644)):
#0  0x00007ffb40ee2d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00000000008920c0 in os_cond_wait (fast_mutex=0x7fe28c58cd00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fe28c58cd00, reset_sig_count=4993)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7ffb3dce7080, index=21)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fe22a806068, 
    high_priority=false, 
    file_name=0xc889b0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc", line=4834)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0sync.cc:682
#5  0x000000000083a666 in mutex_enter_func (line=4834, 
    file_name=0xc889b0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc", mutex=0x7fe22a806068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:268
#6  pfs_mutex_enter_func (line=4834, 
    file_name=0xc889b0 "/home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc", mutex=0x7fe22a806068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/sync0sync.ic:363
#7  innobase_kill_connection (hton=<optimized out>, thd=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:4834
#8  0x000000000070ee06 in kill_handlerton (thd=thd@entry=0x7fe1f2186008, 
    plugin=<optimized out>, level=level@entry=0x7ff208d392ac)
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:788
#9  0x00000000005e3318 in plugin_foreach_with_mask (thd=0x7fe1f2186008, 
    func=0x70edc0 <kill_handlerton(THD*, plugin_ref, void*)>, type=<optimized out>, 
    state_mask=4294967287, arg=0x7ff208d392ac)
    at /home/sean/build/mariadb-10.0.13/sql/sql_plugin.cc:2352
#10 0x00000000007107b3 in ha_kill_query (thd=<optimized out>, level=THD_ABORT_ASAP)
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:795
#11 0x00000000005b09b4 in THD::awake (this=0x7fe1f2186008, 
    state_to_set=KILL_CONNECTION_HARD)
    at /home/sean/build/mariadb-10.0.13/sql/sql_class.cc:1762
#12 0x00000000005d4946 in kill_one_thread (thd=thd@entry=0x7fe1f38f5008, 
    id=id@entry=15148, kill_signal=KILL_CONNECTION_HARD, type=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:7348
#13 0x00000000005d49a2 in sql_kill (thd=0x7fe1f38f5008, id=15148, 
    state=<optimized out>, type=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:7453
#14 0x00000000005da4b5 in mysql_execute_command (thd=0x7fe1f38f5008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:4313
#15 0x00000000007f39de in sp_instr_stmt::exec_core (this=0x7fe1f514bd08, 
    thd=<optimized out>, nextp=0x7ff208d3a274)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:3194
#16 0x00000000007f8d1b in sp_lex_keeper::reset_lex_and_exec_core (
    this=this@entry=0x7fe1f514bd48, thd=thd@entry=0x7fe1f38f5008, 
    nextp=nextp@entry=0x7ff208d3a274, open_tables=open_tables@entry=false, 
    instr=instr@entry=0x7fe1f514bd08)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2964
#17 0x00000000007f9215 in sp_instr_stmt::execute (this=0x7fe1f514bd08, 
    thd=0x7fe1f38f5008, nextp=0x7ff208d3a274)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:3113
#18 0x00000000007f673a in sp_head::execute (this=this@entry=0x7fe1f50a1020, 
    thd=thd@entry=0x7fe1f38f5008, merge_da_on_success=merge_da_on_success@entry=true)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:1366
#19 0x00000000007f796f in sp_head::execute_procedure (this=0x7fe1f50a1020, 
    thd=<optimized out>, args=0x7ff208d3a600)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2152
#20 0x0000000000677f29 in Event_job_data::execute (this=0x7ff208d3ad40, 
    thd=0x7fe1f38f5008, drop=false)
    at /home/sean/build/mariadb-10.0.13/sql/event_data_objects.cc:1433
#21 0x00000000008223bd in Event_worker_thread::run (this=this@entry=0x7ff208d3ae3f, 
    thd=thd@entry=0x7fe1f38f5008, event=event@entry=0x7fe1f38f4130)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:322
#22 0x0000000000822451 in event_worker_thread (arg=0x7fe1f38f4130)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:279
#23 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7feef356c700 (LWP 15646)):
#0  0x00007ffb40ee589c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffb40ee109b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ffb40ee101c in pthread_mutex_lock ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x0000000000630997 in inline_mysql_mutex_lock (that=<optimized out>, 
    src_file=<optimized out>, src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:693
#4  inline_mysql_mutex_lock (src_line=2692, 
    src_file=0xb85450 "/home/sean/build/mariadb-10.0.13/sql/sql_show.cc", 
    that=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:2641
#5  fill_schema_processlist (thd=0x7fe1f3914008, tables=<optimized out>, 
    cond=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:2692
#6  0x0000000000637fb6 in get_schema_tables_result (join=0x7fe1af8b6508, 
    executed_place=PROCESSED_BY_JOIN_EXEC)
    at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:8144
#7  0x000000000061f47d in JOIN::exec_inner (this=this@entry=0x7fe1af8b6508)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#8  0x00000000006214c1 in JOIN::exec (this=0x7fe1af8b6508)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#9  0x000000000061e303 in mysql_select (thd=thd@entry=0x7fe1f3914008, 
    rref_pointer_array=rref_pointer_array@entry=0x7fe1af886a48, 
    tables=0x7fe1af881700, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=1, order=0x7fe1af883f40, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684635904, result=result@entry=0x7fe1af8b5020, 
    unit=0x7fe1af8860e8, select_lex=select_lex@entry=0x7fe1af8867d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#10 0x00000000006217bd in handle_select (thd=0x7fe1f3914008, lex=0x7fe1af886020, 
    result=0x7fe1af8b5020, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#11 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7fe1f3914008, 
    all_tables=0x7fe1af881700)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#12 0x00000000005daf9a in mysql_execute_command (thd=0x7fe1f3914008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#13 0x0000000000807911 in mysql_open_cursor (thd=0x7fe1f3914008, 
    result=<optimized out>, pcursor=0x7fe1af826148)
    at /home/sean/build/mariadb-10.0.13/sql/sql_cursor.cc:123
#14 0x00000000007fc85e in sp_cursor::open (this=<optimized out>, thd=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sp_rcontext.cc:456
#15 0x00000000007f37d0 in sp_instr_copen::exec_core (this=0x7fe1af8877b8, 
    thd=<optimized out>, nextp=0x7feef356b274)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:3783
#16 0x00000000007f8d1b in sp_lex_keeper::reset_lex_and_exec_core (
    this=0x7fe1af885438, thd=thd@entry=0x7fe1f3914008, nextp=0x7feef356b274, 
    open_tables=open_tables@entry=false, instr=0x7fe1af8877b8)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2964
#17 0x00000000007f8ff8 in sp_instr_copen::execute (this=<optimized out>, 
    thd=0x7fe1f3914008, nextp=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:3768
#18 0x00000000007f673a in sp_head::execute (this=this@entry=0x7fe1af875020, 
    thd=thd@entry=0x7fe1f3914008, merge_da_on_success=merge_da_on_success@entry=true)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:1366
#19 0x00000000007f796f in sp_head::execute_procedure (this=0x7fe1af875020, 
    thd=<optimized out>, args=0x7feef356b600)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2152
#20 0x0000000000677f29 in Event_job_data::execute (this=0x7feef356bd40, 
    thd=0x7fe1f3914008, drop=false)
    at /home/sean/build/mariadb-10.0.13/sql/event_data_objects.cc:1433
#21 0x00000000008223bd in Event_worker_thread::run (this=this@entry=0x7feef356be3f, 
    thd=thd@entry=0x7fe1f3914008, event=event@entry=0x7fe1f38f4190)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:322
#22 0x0000000000822451 in event_worker_thread (arg=0x7fe1f38f4190)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:279
#23 0x00007ffb40edee9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007ffb3f36331d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffb41308780 (LWP 6204)):
#0  0x00007ffb40ee589c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffb40ee109b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ffb40ee101c in pthread_mutex_lock ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x000000000055e75b in inline_mysql_mutex_lock (that=0x1301aa0, 
    src_file=<optimized out>, src_line=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/include/mysql/psi/mysql_thread.h:693
#4  inline_mysql_mutex_lock (src_line=6009, 
    src_file=0xb69d88 "/home/sean/build/mariadb-10.0.13/sql/mysqld.cc", 
    that=0x1301aa0) at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:6047
#5  create_new_thread (thd=0x7fe1fc26b008)
    at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:6009
#6  handle_connections_sockets ()
    at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:6301
#7  0x0000000000563c65 in mysqld_main (argc=129, argv=0x7ffb3e81e058)
    at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:5530
#8  0x00007ffb3f29076d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000559469 in _start ()
(gdb) quit
A debugging session is active.

	Inferior 1 [process 6204] will be detached.

Quit anyway? (y or n) [answered Y; input not from terminal]
Detaching from program: /opt/wmf-mariadb10/bin/mysqld, process 6204