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 19475
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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
Reading symbols from /lib/x86_64-linux-gnu/libaio.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/x86_64-linux-gnu/libaio.so.1
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Loaded symbols for /lib/x86_64-linux-gnu/libc.so.6
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Loaded symbols for /lib64/ld-linux-x86-64.so.2
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Loaded symbols for /lib/x86_64-linux-gnu/libnsl.so.1
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Reading symbols from /lib/x86_64-linux-gnu/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/x86_64-linux-gnu/libnss_files.so.2
Reading symbols from /opt/wmf-mariadb10/lib/plugin/semisync_slave.so...done.
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Loaded symbols for /lib/x86_64-linux-gnu/libresolv.so.2
0x00007fabfa86389c in __lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
(gdb) 
Thread 80 (Thread 0x7f92d4bfe700 (LWP 19487)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f81f0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=0, message1=0x7f92d4bfddd0, 
    message2=0x7f92d4bfddd8, type=0x7f92d4bfdde0, space_id=0x7f92d4bfdde8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 79 (Thread 0x7f92d43fd700 (LWP 19488)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f81a0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=1, message1=0x7f92d43fcdd0, 
    message2=0x7f92d43fcdd8, type=0x7f92d43fcde0, space_id=0x7f92d43fcde8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 78 (Thread 0x7f92d3bfc700 (LWP 19489)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=2, message1=0x7f92d3bfbdd0, 
    message2=0x7f92d3bfbdd8, type=0x7f92d3bfbde0, space_id=0x7f92d3bfbde8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 77 (Thread 0x7f92d33fb700 (LWP 19490)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=3, message1=0x7f92d33fadd0, 
    message2=0x7f92d33fadd8, type=0x7f92d33fade0, space_id=0x7f92d33fade8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 76 (Thread 0x7f92d2bfa700 (LWP 19491)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=4, message1=0x7f92d2bf9dd0, 
    message2=0x7f92d2bf9dd8, type=0x7f92d2bf9de0, space_id=0x7f92d2bf9de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 75 (Thread 0x7f92d23f9700 (LWP 19492)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=5, message1=0x7f92d23f8dd0, 
    message2=0x7f92d23f8dd8, type=0x7f92d23f8de0, space_id=0x7f92d23f8de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 74 (Thread 0x7f92d1bf8700 (LWP 19493)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=6, message1=0x7f92d1bf7dd0, 
    message2=0x7f92d1bf7dd8, type=0x7f92d1bf7de0, space_id=0x7f92d1bf7de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 73 (Thread 0x7f92d13f7700 (LWP 19494)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=7, message1=0x7f92d13f6dd0, 
    message2=0x7f92d13f6dd8, type=0x7f92d13f6de0, space_id=0x7f92d13f6de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 72 (Thread 0x7f92d0bf6700 (LWP 19495)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=8, message1=0x7f92d0bf5dd0, 
    message2=0x7f92d0bf5dd8, type=0x7f92d0bf5de0, space_id=0x7f92d0bf5de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 71 (Thread 0x7f92d03f5700 (LWP 19496)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=9, message1=0x7f92d03f4dd0, 
    message2=0x7f92d03f4dd8, type=0x7f92d03f4de0, space_id=0x7f92d03f4de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 70 (Thread 0x7f92cfbf4700 (LWP 19497)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=10, message1=0x7f92cfbf3dd0, 
    message2=0x7f92cfbf3dd8, type=0x7f92cfbf3de0, space_id=0x7f92cfbf3de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 69 (Thread 0x7f92cf3f3700 (LWP 19498)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=11, message1=0x7f92cf3f2dd0, 
    message2=0x7f92cf3f2dd8, type=0x7f92cf3f2de0, space_id=0x7f92cf3f2de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 68 (Thread 0x7f92cebf2700 (LWP 19499)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=12, message1=0x7f92cebf1dd0, 
    message2=0x7f92cebf1dd8, type=0x7f92cebf1de0, space_id=0x7f92cebf1de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 67 (Thread 0x7f92ce3f1700 (LWP 19500)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=13, message1=0x7f92ce3f0dd0, 
    message2=0x7f92ce3f0dd8, type=0x7f92ce3f0de0, space_id=0x7f92ce3f0de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 66 (Thread 0x7f92cdbf0700 (LWP 19501)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=14, message1=0x7f92cdbefdd0, 
    message2=0x7f92cdbefdd8, type=0x7f92cdbefde0, space_id=0x7f92cdbefde8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 65 (Thread 0x7f92cd3ef700 (LWP 19502)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=15, message1=0x7f92cd3eedd0, 
    message2=0x7f92cd3eedd8, type=0x7f92cd3eede0, space_id=0x7f92cd3eede8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 64 (Thread 0x7f92ccbee700 (LWP 19503)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=16, message1=0x7f92ccbeddd0, 
    message2=0x7f92ccbeddd8, type=0x7f92ccbedde0, space_id=0x7f92ccbedde8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 63 (Thread 0x7f92cc3ed700 (LWP 19504)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8150)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=17, message1=0x7f92cc3ecdd0, 
    message2=0x7f92cc3ecdd8, type=0x7f92cc3ecde0, space_id=0x7f92cc3ecde8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 62 (Thread 0x7f92cbbec700 (LWP 19505)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=18, message1=0x7f92cbbebdd0, 
    message2=0x7f92cbbebdd8, type=0x7f92cbbebde0, space_id=0x7f92cbbebde8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 61 (Thread 0x7f92cb3eb700 (LWP 19506)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=19, message1=0x7f92cb3eadd0, 
    message2=0x7f92cb3eadd8, type=0x7f92cb3eade0, space_id=0x7f92cb3eade8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 60 (Thread 0x7f92cabea700 (LWP 19507)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=20, message1=0x7f92cabe9dd0, 
    message2=0x7f92cabe9dd8, type=0x7f92cabe9de0, space_id=0x7f92cabe9de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 59 (Thread 0x7f92ca3e9700 (LWP 19508)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=21, message1=0x7f92ca3e8dd0, 
    message2=0x7f92ca3e8dd8, type=0x7f92ca3e8de0, space_id=0x7f92ca3e8de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 58 (Thread 0x7f92c9be8700 (LWP 19509)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=22, message1=0x7f92c9be7dd0, 
    message2=0x7f92c9be7dd8, type=0x7f92c9be7de0, space_id=0x7f92c9be7de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 57 (Thread 0x7f92c93e7700 (LWP 19510)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=23, message1=0x7f92c93e6dd0, 
    message2=0x7f92c93e6dd8, type=0x7f92c93e6de0, space_id=0x7f92c93e6de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 56 (Thread 0x7f92c8be6700 (LWP 19511)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=24, message1=0x7f92c8be5dd0, 
    message2=0x7f92c8be5dd8, type=0x7f92c8be5de0, space_id=0x7f92c8be5de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 55 (Thread 0x7f92c83e5700 (LWP 19512)):
#0  0x00007fabfa653644 in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#1  0x000000000088fff4 in os_aio_linux_collect (seg_size=256, 
    segment=<optimized out>, array=0x7fabf83f8240)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0file.cc:5098
#2  os_aio_linux_handle (global_seg=25, message1=0x7f92c83e4dd0, 
    message2=0x7f92c83e4dd8, type=0x7f92c83e4de0, space_id=0x7f92c83e4de8)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 54 (Thread 0x7f924fffe700 (LWP 19537)):
#0  0x00007fabfa8610fe 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=0x7f924fffdd80, 
    fast_mutex=0x7f9345d8ce00, cond=0x7f9345d8ce40)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7f9345d8ce00, time_in_usec=<optimized out>, 
    reset_sig_count=104)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 53 (Thread 0x7f924f7fd700 (LWP 19538)):
#0  0x00007fabfa860d84 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=0x7f9345d8c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8c800, reset_sig_count=989096)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=3)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fabf803e0b8, 
    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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 52 (Thread 0x7f924effc700 (LWP 19539)):
#0  0x00007fabfa8610fe 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=0x7f924effbdb0, 
    fast_mutex=0x7fabf83f6680, cond=0x7fabf83f66c0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7fabf83f6680, 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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 51 (Thread 0x7f924e7fb700 (LWP 19540)):
#0  0x00007fabfa860d84 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=0x7f9345d8c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8c800, reset_sig_count=989096)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=5)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fabf803e0b8, 
    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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 50 (Thread 0x7f924dffa700 (LWP 19541)):
#0  0x00007fabfa860d84 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=0x7fabf83f6580, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6580, reset_sig_count=52827445)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f10c1 in srv_purge_coordinator_suspend (rseg_history_len=1569, 
    slot=0x7fabf800f8f0)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 49 (Thread 0x7f924d7f9700 (LWP 19546)):
#0  0x00007fabfa860d84 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=0x7f9345d8c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8c800, reset_sig_count=989096)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=2)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fabf803e0b8, 
    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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=6218172955215, 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=0x7fa2cbb61300)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:925
#11 buf_flush_page (buf_pool=buf_pool@entry=0x7fabf83fda28, 
    bpage=bpage@entry=0x7fa2cbb61300, flush_type=flush_type@entry=BUF_FLUSH_LIST, 
    sync=false, sync@entry=5)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:1091
#12 0x000000000095238d in buf_flush_try_neighbors (n_to_flush=50, n_flushed=15, 
    flush_type=BUF_FLUSH_LIST, offset=166820, space=500)
    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=50, 
    count=count@entry=0x7f924d7f8a68)
    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=0x7fabf83fda28, min_n=min_n@entry=50, 
    lsn_limit=lsn_limit@entry=6216494579552)
    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=6216494579552, min_n=50, 
    flush_type=BUF_FLUSH_LIST, buf_pool=0x7fabf83fda28)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/buf/buf0flu.cc:1798
#16 buf_flush_list (min_n=250, lsn_limit=6216494579552, 
    n_processed=n_processed@entry=0x7f924d7f8df8)
    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 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#21 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#22 0x0000000000000000 in ?? ()

Thread 48 (Thread 0x7f924cff8700 (LWP 19547)):
#0  0x00007fabf8cda683 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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 47 (Thread 0x7f924c7f7700 (LWP 19548)):
#0  0x00007fabfa860d84 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=0x7fabf83f6700, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6700, 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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 46 (Thread 0x7f924bff6700 (LWP 19549)):
#0  0x00007fabfa8610fe 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=0x7f924bff5da0, 
    fast_mutex=0x7f9345d8dd80, cond=0x7f9345d8ddc0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7f9345d8dd80, time_in_usec=<optimized out>, 
    reset_sig_count=4894)
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 45 (Thread 0x7f924b7f5700 (LWP 19550)):
#0  0x00007fabfa8610fe 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=0x7f924b7f4d30, 
    fast_mutex=0x7f92e3ff2000, cond=0x7f92e3ff2040)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:177
#2  os_event_wait_time_low (event=0x7f92e3ff2000, 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=0x7fabf83f2a28, 
    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=0x7fabf83f2a28)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/fts/fts0opt.cc:2996
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 44 (Thread 0x7f924aff4700 (LWP 19565)):
#0  0x00007fabfa8610fe 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=0x7f924aff3d70, 
    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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 43 (Thread 0x7fabfac84700 (LWP 19566)):
#0  0x00007fabfa860d84 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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#5  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 42 (Thread 0x7f924a5f0700 (LWP 19575)):
#0  0x00007fabfa86389c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fabfa85f09b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fabfa85f01c 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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 41 (Thread 0x7fabfac53700 (LWP 19576)):
#0  0x00007fabfa8649f7 in do_sigwait () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fabfa864a79 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  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 40 (Thread 0x7fabf7939700 (LWP 22246)):
#0  0x00007fabfa86389c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fabfa85f09b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fabfa85f01c 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=0x7f922d730008)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:194
#6  0x0000000000822569 in Event_scheduler::execute_top (
    this=this@entry=0x7fabf83f2a80, event_name=0x7f922d7c80d0)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:554
#7  0x0000000000822941 in Event_scheduler::run (this=this@entry=0x7fabf83f2a80, 
    thd=0x7f92b88f7008)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:508
#8  0x0000000000822a9c in event_scheduler_thread (arg=0x7f92af8120a8)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:242
#9  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#10 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 39 (Thread 0x7f92123ff700 (LWP 26761)):
#0  0x00007fabfa860d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000000000055d8bf in inline_mysql_cond_wait (mutex=0x1301a60, that=0x1303fc0, 
    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=2812, mutex=0x1301a60, that=0x1303fc0, 
    src_file=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:2876
#3  cache_thread () at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:2812
#4  one_thread_per_connection_end (thd=<optimized out>, put_in_cache=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:2882
#5  0x000000000068ad6b in do_handle_one_connection (
    thd_arg=thd_arg@entry=0x7f924487f008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_connect.cc:1390
#6  0x000000000068aec2 in handle_one_connection (arg=0x7f924487f008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_connect.cc:1293
#7  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 38 (Thread 0x7f921239d700 (LWP 26828)):
#0  0x00007fabfa860d84 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x000000000055d8bf in inline_mysql_cond_wait (mutex=0x1301a60, that=0x1303fc0, 
    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=2812, mutex=0x1301a60, that=0x1303fc0, 
    src_file=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:2876
#3  cache_thread () at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:2812
#4  one_thread_per_connection_end (thd=<optimized out>, put_in_cache=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:2882
#5  0x000000000068ad6b in do_handle_one_connection (
    thd_arg=thd_arg@entry=0x7f9220b47008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_connect.cc:1390
#6  0x000000000068aec2 in handle_one_connection (arg=0x7f9220b47008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_connect.cc:1293
#7  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 37 (Thread 0x7f9222e15700 (LWP 18166)):
#0  0x00007fabfa860d84 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=0x7fa8daf70b00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fa8daf70b00, reset_sig_count=1246)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fabf83fd3c8, 
    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=0x7fabf83fd3c8)
    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=0x7fabf83fd3c8)
    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=0x7f9222e104f0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:301
#10 mtr_commit (mtr=0x7f9222e104f0)
    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=0x7f92b250d968, 
    offsets_heap=0xffffffffffffffff, offsets_heap@entry=0x7f91f4815b00, 
    heap=heap@entry=0x7f91f4815600, entry=entry@entry=0x7f91f4813368, 
    trx_id=trx_id@entry=0, thr=thr@entry=0x7f92b256ad78)
    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=0x7f92b250d968, 
    entry=0x7f91f4813368, thr=thr@entry=0x7f92b256ad78)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:2968
#13 0x00000000008c196b in row_ins_index_entry (thr=0x7f92b256ad78, 
    entry=<optimized out>, index=0x7f92b250d968)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3007
#14 row_ins_index_entry_step (thr=0x7f92b256ad78, node=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3082
#15 row_ins (thr=0x7f92b256ad78, node=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3222
#16 row_ins_step (thr=0x7f92b256ad78)
    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=0x7f92b242d020, 
    record=0x7f92b2446020 "\370\315\005\324\004\221lT")
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:7564
#19 0x00000000007170df in handler::ha_write_row (this=0x7f92b242d020, 
    buf=0x7f92b2446020 "\370\315\005\324\004\221lT")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5965
#20 0x0000000000ac4273 in ha_partition::write_row (this=0x7f91f4855620, 
    buf=0x7f92b2446020 "\370\315\005\324\004\221lT")
    at /home/sean/build/mariadb-10.0.13/sql/ha_partition.cc:4164
#21 0x00000000007170df in handler::ha_write_row (this=0x7f91f4855620, 
    buf=0x7f92b2446020 "\370\315\005\324\004\221lT")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5965
#22 0x000000000053fff7 in copy_data_between_tables (thd=0x443eb40, 
    thd@entry=0x7f920e54e008, from=from@entry=0x7f92aba32c08, 
    to=to@entry=0x7f91f4842008, create=..., ignore=ignore@entry=false, 
    order_num=order_num@entry=0, order=order@entry=0x0, 
    copied=copied@entry=0x7f9222e11710, deleted=deleted@entry=0x7f9222e11718, 
    keys_onoff=Alter_info::LEAVE_AS_IS, alter_ctx=alter_ctx@entry=0x7f9222e12390)
    at /home/sean/build/mariadb-10.0.13/sql/sql_table.cc:9424
#23 0x000000000064f2a0 in mysql_alter_table (thd=0x7f920e54e008, 
    new_db=<optimized out>, new_name=0x7f9222e12eb0 "\300T0\001", 
    create_info=0x7f9222e12f40, table_list=0x7f92b36cca10, 
    alter_info=0x7f9222e12eb0, 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=0x7f920e54e008) at /home/sean/build/mariadb-10.0.13/sql/sql_alter.cc:312
#25 0x00000000005d7816 in mysql_execute_command (thd=thd@entry=0x7f920e54e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5082
#26 0x00000000005dd88a in mysql_parse (parser_state=0x7f9222e145d0, 
    thd=0x7f920e54e008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#27 mysql_parse (thd=0x7f920e54e008, rawbuf=<optimized out>, length=1175, 
    parser_state=0x7f9222e145d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#28 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f920e54e008, 
    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=0x7f920e54e008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#30 0x00000000006ea7ad in handle_event (connection=0x7f91f3b507c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#31 worker_main (param=0x7f92e43c4e08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#32 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#33 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#34 0x0000000000000000 in ?? ()

Thread 36 (Thread 0x7f9244c8d700 (LWP 20718)):
#0  0x00007fabfa860d84 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=0x7f9345d8c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8c800, reset_sig_count=989096)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=1)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fabf803e0b8, 
    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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7f9244c88980, len=73, str=0x7f9244c88738)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic:358
#9  mtr_log_reserve_and_write (mtr=0x7f9244c884f0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:265
#10 mtr_commit (mtr=0x7f9244c884f0)
    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=0x7f92b42b9c68, 
    offsets_heap=0xffffffffffffffff, offsets_heap@entry=0x7f923f0bac00, 
    heap=heap@entry=0x7f923f0bc000, entry=entry@entry=0x7f923f0bbc70, 
    trx_id=trx_id@entry=0, thr=thr@entry=0x7f92b417cda8)
    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=0x7f92b42b9c68, 
    entry=0x7f923f0bbc70, thr=thr@entry=0x7f92b417cda8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:2968
#13 0x00000000008c196b in row_ins_index_entry (thr=0x7f92b417cda8, 
    entry=<optimized out>, index=0x7f92b42b9c68)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3007
#14 row_ins_index_entry_step (thr=0x7f92b417cda8, node=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3082
#15 row_ins (thr=0x7f92b417cda8, node=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0ins.cc:3222
#16 row_ins_step (thr=0x7f92b417cda8)
    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=0x7f921f01c020, 
    record=0x7f92b4148020 "\376\034U&\003\bnewuserseedbackv5on")
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:7564
#19 0x00000000007170df in handler::ha_write_row (this=0x7f921f01c020, 
    buf=0x7f92b4148020 "\376\034U&\003\bnewuserseedbackv5on")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5965
#20 0x0000000000ac4273 in ha_partition::write_row (this=0x7f921f03d620, 
    buf=0x7f92b4148020 "\376\034U&\003\bnewuserseedbackv5on")
    at /home/sean/build/mariadb-10.0.13/sql/ha_partition.cc:4164
#21 0x00000000007170df in handler::ha_write_row (this=0x7f921f03d620, 
    buf=0x7f92b4148020 "\376\034U&\003\bnewuserseedbackv5on")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5965
#22 0x000000000053fff7 in copy_data_between_tables (thd=0x3264258, 
    thd@entry=0x7f920dd9f008, from=from@entry=0x7f92b3ae5c08, 
    to=to@entry=0x7f92b405f008, create=..., ignore=ignore@entry=false, 
    order_num=order_num@entry=0, order=order@entry=0x0, 
    copied=copied@entry=0x7f9244c89710, deleted=deleted@entry=0x7f9244c89718, 
    keys_onoff=Alter_info::LEAVE_AS_IS, alter_ctx=alter_ctx@entry=0x7f9244c8a390)
    at /home/sean/build/mariadb-10.0.13/sql/sql_table.cc:9424
#23 0x000000000064f2a0 in mysql_alter_table (thd=0x7f920dd9f008, 
    new_db=<optimized out>, new_name=0x7f9244c8aeb0 "\300T0\001", 
    create_info=0x7f9244c8af40, table_list=0x7f92ab95ca70, 
    alter_info=0x7f9244c8aeb0, 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=0x7f920dd9f008) at /home/sean/build/mariadb-10.0.13/sql/sql_alter.cc:312
#25 0x00000000005d7816 in mysql_execute_command (thd=thd@entry=0x7f920dd9f008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5082
#26 0x00000000005dd88a in mysql_parse (parser_state=0x7f9244c8c5d0, 
    thd=0x7f920dd9f008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#27 mysql_parse (thd=0x7f920dd9f008, rawbuf=<optimized out>, length=1231, 
    parser_state=0x7f9244c8c5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#28 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f920dd9f008, 
    packet=<optimized out>, packet_length=1231)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#29 0x00000000006bc9b7 in threadpool_process_request (thd=0x7f920dd9f008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#30 0x00000000006ea7ad in handle_event (connection=0x7f91f3b50108)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#31 worker_main (param=0x7f92e43c4c08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#32 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#33 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#34 0x0000000000000000 in ?? ()

Thread 35 (Thread 0x7f9222fce700 (LWP 21661)):
#0  0x00007fabf8cd5963 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x0000000000b15744 in vio_io_wait (vio=vio@entry=0x7f92b9459208, 
    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=0x7f92b9459208, 
    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=0x7f92b9459208, 
    buf=0x7f92b9491008 "G", size=size@entry=16384)
    at /home/sean/build/mariadb-10.0.13/vio/viosocket.c:181
#4  0x0000000000b15b42 in vio_read_buff (vio=0x7f92b9459208, buf=0x7f92b9785008 "", 
    size=4) at /home/sean/build/mariadb-10.0.13/vio/viosocket.c:223
#5  0x00000000005646fe in my_real_read (net=0x7f920656c608, 
    complen=complen@entry=0x7f9222fcdac8, 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=0x7f920656c608, 
    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=0x7f920656c608)
    at /home/sean/build/mariadb-10.0.13/sql-common/client.c:767
#8  0x0000000000578923 in read_event (suppress_warnings=0x7f9222fcdbc2, 
    mysql=0x7f920656c608, mi=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:3088
#9  handle_slave_io (arg=0x7f92a9630000)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:4032
#10 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#11 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 34 (Thread 0x7f9216277700 (LWP 21662)):
#0  0x00007fabfa8610fe 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=0x7f9216274990, 
    mutex=0x7f9235806100, that=0x7f9235806130, 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=0x7f9235806100, owner=0x7f92358060b8, 
    abs_timeout=abs_timeout@entry=0x7f9216274990, 
    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=0x7f9235806100, 
    mdl_request=0x7f923581e618, 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=0x7f9235806008, 
    ot_ctx=ot_ctx@entry=0x7f9216275290, 
    mdl_request=mdl_request@entry=0x7f923581e618, flags=flags@entry=0, 
    mdl_ticket=mdl_ticket@entry=0x7f9216274c68)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:2015
#5  0x00000000005a1234 in open_table (thd=thd@entry=0x7f9235806008, 
    table_list=table_list@entry=0x7f923581e208, 
    mem_root=mem_root@entry=0x7f92162752d0, ot_ctx=ot_ctx@entry=0x7f9216275290)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:2280
#6  0x00000000005a2768 in open_and_process_table (new_frm_mem=0x7f92162752d0, 
    ot_ctx=0x7f9216275290, has_prelocking_list=false, 
    prelocking_strategy=0x7f92162754f0, flags=0, counter=0x7f921627536c, 
    tables=0x7f923581e208, lex=0x7f9235809b18, thd=0x7f9235806008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:3935
#7  open_tables (thd=thd@entry=0x7f9235806008, start=start@entry=0x7f9216275358, 
    counter=counter@entry=0x7f921627536c, flags=flags@entry=0, 
    prelocking_strategy=0x7f92162754f0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4469
#8  0x00000000005a2984 in open_and_lock_tables (thd=0x7f9235806008, 
    tables=0x7f923581e208, 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=0x7f9235806008, table_list=0x7f923581e208, 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=0x7f9235806008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:3437
#13 0x00000000005dd88a in mysql_parse (parser_state=0x7f9216276690, 
    thd=0x7f9235806008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#14 mysql_parse (thd=0x7f9235806008, rawbuf=<optimized out>, length=397, 
    parser_state=0x7f9216276690)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#15 0x00000000007c21d2 in Query_log_event::do_apply_event (this=0x7f923d048408, 
    rgi=0x7f922c42c600, 
    query_arg=0x7f923d062393 "INSERT /* Revision::insertOn Yobot */  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) VALUES ("..., q_len_arg=397)
    at /home/sean/build/mariadb-10.0.13/sql/log_event.cc:4320
#16 0x0000000000573d9d in apply_event (rgi=0x7f922c42c600, this=0x7f923d048408)
    at /home/sean/build/mariadb-10.0.13/sql/log_event.h:1343
#17 apply_event_and_update_pos (ev=ev@entry=0x7f923d048408, 
    thd=thd@entry=0x7f9235806008, rgi=rgi@entry=0x7f922c42c600, 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=0x7f922c42c600, rli=
    0x7f92a96319c8, thd=0x7f9235806008)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:3578
#19 handle_slave_sql (arg=0x7f92a9630000)
    at /home/sean/build/mariadb-10.0.13/sql/slave.cc:4660
#20 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#21 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#22 0x0000000000000000 in ?? ()

Thread 33 (Thread 0x7f9215f98700 (LWP 21793)):
#0  0x00007fabfa860d84 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=0x7f9345d8c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8c800, reset_sig_count=989096)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=6)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fabf803e0b8, 
    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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7f9215f95260, len=10, str=0x7f9215f95018)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic:358
#9  mtr_log_reserve_and_write (mtr=0x7f9215f94dd0)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:265
#10 mtr_commit (mtr=0x7f9215f94dd0)
    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=0x7f92a9cac468)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/trx/trx0trx.cc:1064
#14 0x00000000008df267 in row_search_for_mysql (
    buf=0x7f92aece5c20 "\377", <incomplete sequence \355>, mode=<optimized out>, 
    prebuilt=0x7f92aaa19068, 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=0x7f92b3538020, 
    buf=0x7f92aece5c20 "\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 0x000000000070e77e in handler::index_read_idx_map (this=0x7f92b3538020, 
    buf=0x7f92aece5c20 "\377", <incomplete sequence \355>, index=1, 
    key=0x7f92320c6928 "", keypart_map=3, find_flag=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5538
#17 0x000000000071286f in handler::ha_index_read_idx_map (this=0x7f92b3538020, 
    buf=0x7f92aece5c20 "\377", <incomplete sequence \355>, index=1, 
    key=0x7f92320c6928 "", keypart_map=<optimized out>, find_flag=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:2621
#18 0x000000000060fd24 in join_read_const (tab=tab@entry=0x7f92320c5e90)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:18182
#19 0x000000000053cbd8 in join_read_const_table (tab=tab@entry=0x7f92320c5e90, 
    pos=<error reading variable: Unhandled dwarf expression opcode 0xfa>, 
    pos=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:18057
#20 0x000000000053e140 in make_join_statistics (join=join@entry=0x7f92320c5020, 
    tables_list=..., conds=0x7f9235768cd8, 
    keyuse_array=keyuse_array@entry=0x7f92320c5328)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3789
#21 0x000000000061bf1e in JOIN::optimize_inner (this=this@entry=0x7f92320c5020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:1338
#22 0x000000000061e120 in JOIN::optimize (this=this@entry=0x7f92320c5020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:1023
#23 0x000000000061e2b2 in mysql_select (thd=thd@entry=0x7f91fd200008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f91fd204540, 
    tables=0x7f9235768088, 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=0x7f9235768ea8, 
    unit=0x7f91fd203be0, select_lex=select_lex@entry=0x7f91fd2042c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3293
#24 0x00000000006217bd in handle_select (thd=0x7f91fd200008, lex=0x7f91fd203b18, 
    result=0x7f9235768ea8, setup_tables_done_option=0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:372
#25 0x00000000005d01c6 in execute_sqlcom_select (thd=thd@entry=0x7f91fd200008, 
    all_tables=0x7f9235768088)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#26 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f91fd200008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#27 0x00000000005dd88a in mysql_parse (parser_state=0x7f9215f975d0, 
    thd=0x7f91fd200008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#28 mysql_parse (thd=0x7f91fd200008, rawbuf=<optimized out>, length=272, 
    parser_state=0x7f9215f975d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#29 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f91fd200008, 
    packet=<optimized out>, packet_length=272)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#30 0x00000000006bc9b7 in threadpool_process_request (thd=0x7f91fd200008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#31 0x00000000006ea7ad in handle_event (connection=0x7f91f39f0348)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#32 worker_main (param=0x7f92e43c4e08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#33 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#34 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#35 0x0000000000000000 in ?? ()

Thread 32 (Thread 0x7f92c78b6700 (LWP 25656)):
#0  0x00007fabfa860d84 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=0x7f9345d8c800, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8c800, reset_sig_count=989096)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=4)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7fabf803e0b8, 
    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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7fabf803e0b8, 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=0x7f92c78b22b0, len=38, str=0x7f92c78b2068)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/include/log0log.ic:358
#9  mtr_log_reserve_and_write (mtr=0x7f92c78b1e20)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/mtr/mtr0mtr.cc:265
#10 mtr_commit (mtr=0x7f92c78b1e20)
    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=0x7f92ac02c5e8, clust_entry=0x0, 
    update=0x7f92ab2c0ed0, cmpl_info=1, rec=0x7fa5eba0867d "", 
    offsets=0x7f92c78b3850, roll_ptr=0x7f92c78b35b8)
    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=0x7f92c78b3850, update=0x7f92ab2c0ed0, 
    cmpl_info=<optimized out>, thr=0x7f92b3906298, mtr=0x7f92c78b3b70, 
    roll_ptr=0x7f92c78b35b8)
    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=0x7f92c78b35b8, 
    mtr=0x7f92c78b3b70, thr=0x7f92b3906298, cmpl_info=1, update=0x7f92ab2c0ed0, 
    offsets=0x7f92c78b3850, cursor=0x7f92ab0619e8, 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=0x7f92ab0619e8, offsets=0x7f92c78b3850, 
    update=update@entry=0x7f92ab2c0ed0, cmpl_info=cmpl_info@entry=1, 
    thr=thr@entry=0x7f92b3906298, trx_id=trx_id@entry=34231294160, 
    mtr=mtr@entry=0x7f92c78b3b70)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/btr/btr0cur.cc:2128
#16 0x000000000092e474 in btr_cur_optimistic_update (flags=2, cursor=0x7f92ab0619e8, 
    offsets=0x7f92c78b3758, heap=0x7f92c78b3810, update=0x7f92ab2c0ed0, cmpl_info=1, 
    thr=0x7f92b3906298, trx_id=34231294160, mtr=0x7f92c78b3b70)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/btr/btr0cur.cc:2293
#17 0x00000000008e3804 in row_upd_clust_rec (node=node@entry=0x7f92ab2c0dc8, 
    index=index@entry=0x7f92ac02c5e8, offsets=offsets@entry=0x7f92c78b3850, 
    offsets_heap=offsets_heap@entry=0x7f92c78b3810, thr=thr@entry=0x7f92b3906298, 
    mtr=mtr@entry=0x7f92c78b3b70)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0upd.cc:2146
#18 0x00000000008e6ad5 in row_upd_clust_step (node=node@entry=0x7f92ab2c0dc8, 
    thr=thr@entry=0x7f92b3906298)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0upd.cc:2454
#19 0x00000000008e79cc in row_upd (thr=0x7f92b3906298, node=0x7f92ab2c0dc8)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/row/row0upd.cc:2540
#20 row_upd_step (thr=0x7f92b3906298)
    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=0x7f92ab2c0068)
    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=0x7f92b3944258 "\360\032\062\060\061\064-09-16T14:29:25.500650o\231\001", new_row=0x7f92b3944020 "\360\032\062\060\061\064-09-16T14:29:26.000520o\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=0x7f92b395c020, 
    old_data=0x7f92b3944258 "\360\032\062\060\061\064-09-16T14:29:25.500650o\231\001", new_data=0x7f92b3944020 "\360\032\062\060\061\064-09-16T14:29:26.000520o\231\001")
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:5998
#24 0x00000000005c0da4 in write_record (thd=thd@entry=0x7f92a964f008, 
    table=table@entry=0x7f92b38ec608, info=info@entry=0x7f92c78b4430)
    at /home/sean/build/mariadb-10.0.13/sql/sql_insert.cc:1777
#25 0x00000000005c36bd in mysql_insert (thd=0x7f92a964f008, 
    table_list=0x7f92abc242f8, 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=0x7f92a964f008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:3437
#27 0x00000000005dd88a in mysql_parse (parser_state=0x7f92c78b55d0, 
    thd=0x7f92a964f008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#28 mysql_parse (thd=0x7f92a964f008, rawbuf=<optimized out>, length=228, 
    parser_state=0x7f92c78b55d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#29 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f92a964f008, 
    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=0x7f92a964f008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#31 0x00000000006ea7ad in handle_event (connection=0x7fabf80b05c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#32 worker_main (param=0x7f92e43c3e08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#33 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#34 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#35 0x0000000000000000 in ?? ()

Thread 31 (Thread 0x7f9247f0a700 (LWP 28747)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=30, 
    native_events=native_events@entry=0x7f9247f06cb0, 
    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=0x7f92e43c3e08, 
    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=0x7f9247f09dd0, 
    thread_group=thread_group@entry=0x7f92e43c3e08, 
    abstime=abstime@entry=0x7f9247f09d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3e08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 30 (Thread 0x7f9249b0f700 (LWP 28868)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=37, 
    native_events=native_events@entry=0x7f9249b0bcb0, 
    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=0x7f92e43c4c08, 
    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=0x7f9249b0edd0, 
    thread_group=thread_group@entry=0x7f92e43c4c08, 
    abstime=abstime@entry=0x7f9249b0ed90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4c08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 29 (Thread 0x7f92c7885700 (LWP 6888)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=36, 
    native_events=native_events@entry=0x7f92c7881cb0, 
    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=0x7f92e43c4a08, 
    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=0x7f92c7884dd0, 
    thread_group=thread_group@entry=0x7f92e43c4a08, 
    abstime=abstime@entry=0x7f92c7884d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4a08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 28 (Thread 0x7f9212c5c700 (LWP 7424)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=24, 
    native_events=native_events@entry=0x7f9212c58cb0, 
    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=0x7f92e43c3208, 
    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=0x7f9212c5bdd0, 
    thread_group=thread_group@entry=0x7f92e43c3208, 
    abstime=abstime@entry=0x7f9212c5bd90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3208)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 27 (Thread 0x7f9248ecf700 (LWP 8668)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=28, 
    native_events=native_events@entry=0x7f9248ecbcb0, 
    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=0x7f92e43c3a08, 
    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=0x7f9248ecedd0, 
    thread_group=thread_group@entry=0x7f92e43c3a08, 
    abstime=abstime@entry=0x7f9248eced90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3a08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 26 (Thread 0x7f9249272700 (LWP 8924)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=32, 
    native_events=native_events@entry=0x7f924926ecb0, 
    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=0x7f92e43c4208, 
    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=0x7f9249271dd0, 
    thread_group=thread_group@entry=0x7f92e43c4208, 
    abstime=abstime@entry=0x7f9249271d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4208)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 25 (Thread 0x7f9248d47700 (LWP 9052)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=27, 
    native_events=native_events@entry=0x7f9248d43cb0, 
    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=0x7f92e43c3808, 
    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=0x7f9248d46dd0, 
    thread_group=thread_group@entry=0x7f92e43c3808, 
    abstime=abstime@entry=0x7f9248d46d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 24 (Thread 0x7f9212d82700 (LWP 9306)):
#0  0x00007fabfa860d84 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=0x7f9345d8df00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8df00, reset_sig_count=59868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=11)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7f9345fc1868, 
    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=0x7f9345fc1868)
    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=0x7f9345fc1868)
    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=0x7f9208d9e008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2374
#9  0x000000000083df78 in check_trx_exists (thd=0x7f9208d9e008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/ha_innodb.cc:2397
#10 ha_innobase::extra (this=0x7f92b9463020, 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=0x7f9212d80130, 
    ot_ctx=0x7f9212d800f0, has_prelocking_list=false, 
    prelocking_strategy=0x7f9212d80240, flags=0, counter=0x7f9212d801cc, 
    tables=0x7f92aa92b670, lex=0x7f9208da1b18, thd=0x7f9208d9e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4040
#12 open_tables (thd=thd@entry=0x7f9208d9e008, start=start@entry=0x7f9212d801b8, 
    counter=counter@entry=0x7f9212d801cc, flags=flags@entry=0, 
    prelocking_strategy=0x7f9212d80240)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.cc:4469
#13 0x00000000005a2984 in open_and_lock_tables (thd=0x7f9208d9e008, 
    tables=0x7f92aa92b670, 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=0x7f92aa92b670, thd=0x7f9208d9e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_base.h:486
#15 execute_sqlcom_select (thd=thd@entry=0x7f9208d9e008, all_tables=0x7f92aa92b670)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5210
#16 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f9208d9e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#17 0x00000000005dd88a in mysql_parse (parser_state=0x7f9212d815d0, 
    thd=0x7f9208d9e008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#18 mysql_parse (thd=0x7f9208d9e008, rawbuf=<optimized out>, length=131, 
    parser_state=0x7f9212d815d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#19 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f9208d9e008, 
    packet=<optimized out>, packet_length=131)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#20 0x00000000006bc9b7 in threadpool_process_request (thd=0x7f9208d9e008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#21 0x00000000006ea7ad in handle_event (connection=0x7f91f5770588)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#22 worker_main (param=0x7f92e43c4008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#23 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 23 (Thread 0x7f9244f3b700 (LWP 10450)):
#0  0x00007fabfa860d84 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=0x7f9345d8df00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8df00, reset_sig_count=59868)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=7)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7f9345fc1868, 
    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=0x7f9345fc1868, 
    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=0x7f9345fc1868, 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=0x7f923c017020, 
    thd=0x7f92039f6008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1294
#9  trx_i_s_common_fill_table (thd=0x7f92039f6008, tables=0x7f923c017020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#10 0x0000000000637fb6 in get_schema_tables_result (join=0x7f923c018600, 
    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=0x7f923c018600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#12 0x00000000006214c1 in JOIN::exec (this=0x7f923c018600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#13 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f92039f6008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f92039fa540, 
    tables=0x7f923c017020, 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=0x7f923c0185e0, 
    unit=0x7f92039f9be0, select_lex=select_lex@entry=0x7f92039fa2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#14 0x00000000006217bd in handle_select (thd=0x7f92039f6008, lex=0x7f92039f9b18, 
    result=0x7f923c0185e0, 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=0x7f92039f6008, 
    all_tables=0x7f923c017020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#16 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f92039f6008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#17 0x00000000005dd88a in mysql_parse (parser_state=0x7f9244f3a5d0, 
    thd=0x7f92039f6008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#18 mysql_parse (thd=0x7f92039f6008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7f9244f3a5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#19 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f92039f6008, 
    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=0x7f92039f6008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#21 0x00000000006ea7ad in handle_event (connection=0x7f91f39e9688)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#22 worker_main (param=0x7f92e43c3408)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#23 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 22 (Thread 0x7fabfabf1700 (LWP 10541)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, 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=0x7f9237c88020, 
    thd=0x7f920479e008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f920479e008, tables=0x7f9237c88020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f9237c89600, 
    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=0x7f9237c89600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f9237c89600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f920479e008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f92047a2540, 
    tables=0x7f9237c88020, 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=0x7f9237c895e0, 
    unit=0x7f92047a1be0, select_lex=select_lex@entry=0x7f92047a22c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f920479e008, lex=0x7f92047a1b18, 
    result=0x7f9237c895e0, 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=0x7f920479e008, 
    all_tables=0x7f9237c88020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f920479e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7fabfabf05d0, 
    thd=0x7f920479e008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f920479e008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7fabfabf05d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f920479e008, 
    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=0x7f920479e008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f57701c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 21 (Thread 0x7f9215988700 (LWP 10794)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, 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=0x7f92acb37020, 
    thd=0x7f9205736008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f9205736008, tables=0x7f92acb37020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92acb38600, 
    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=0x7f92acb38600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f92acb38600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f9205736008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f920573a540, 
    tables=0x7f92acb37020, 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=0x7f92acb385e0, 
    unit=0x7f9205739be0, select_lex=select_lex@entry=0x7f920573a2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f9205736008, lex=0x7f9205739b18, 
    result=0x7f92acb385e0, 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=0x7f9205736008, 
    all_tables=0x7f92acb37020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f9205736008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7f92159875d0, 
    thd=0x7f9205736008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f9205736008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7f92159875d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f9205736008, 
    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=0x7f9205736008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f3b50b88)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c3008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7f9244fff700 (LWP 10925)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=33, 
    native_events=native_events@entry=0x7f9244ffbcb0, 
    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=0x7f92e43c4408, 
    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=0x7f9244ffedd0, 
    thread_group=thread_group@entry=0x7f92e43c4408, 
    abstime=abstime@entry=0x7f9244ffed90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4408)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7fa2c25ce700 (LWP 11016)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, index=12)
    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=0x7f92aacb2020, 
    thd=0x7f9208ff7008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f9208ff7008, tables=0x7f92aacb2020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92aacb3600, 
    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=0x7f92aacb3600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f92aacb3600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f9208ff7008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f9208ffb540, 
    tables=0x7f92aacb2020, 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=0x7f92aacb35e0, 
    unit=0x7f9208ffabe0, select_lex=select_lex@entry=0x7f9208ffb2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f9208ff7008, lex=0x7f9208ffab18, 
    result=0x7f92aacb35e0, 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=0x7f9208ff7008, 
    all_tables=0x7f92aacb2020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f9208ff7008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7fa2c25cd5d0, 
    thd=0x7f9208ff7008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f9208ff7008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7fa2c25cd5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f9208ff7008, 
    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=0x7f9208ff7008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f57706c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7f9222700700 (LWP 11050)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=25, 
    native_events=native_events@entry=0x7f92226fccb0, 
    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=0x7f92e43c3408, 
    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=0x7f92226ffdd0, 
    thread_group=thread_group@entry=0x7f92e43c3408, 
    abstime=abstime@entry=0x7f92226ffd90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3408)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7f924085c700 (LWP 11181)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, index=9)
    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=0x7f923540a020, 
    thd=0x7f91fc336008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f91fc336008, tables=0x7f923540a020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f923540b600, 
    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=0x7f923540b600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f923540b600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f91fc336008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f91fc33a540, 
    tables=0x7f923540a020, 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=0x7f923540b5e0, 
    unit=0x7f91fc339be0, select_lex=select_lex@entry=0x7f91fc33a2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f91fc336008, lex=0x7f91fc339b18, 
    result=0x7f923540b5e0, 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=0x7f91fc336008, 
    all_tables=0x7f923540a020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f91fc336008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7f924085b5d0, 
    thd=0x7f91fc336008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f91fc336008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7f924085b5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f91fc336008, 
    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=0x7f91fc336008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f5643088)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4e08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f92225da700 (LWP 11182)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=23, 
    native_events=native_events@entry=0x7f92225d6cb0, 
    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=0x7f92e43c3008, 
    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=0x7f92225d9dd0, 
    thread_group=thread_group@entry=0x7f92e43c3008, 
    abstime=abstime@entry=0x7f92225d9d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f9212d20700 (LWP 11231)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=29, 
    native_events=native_events@entry=0x7f9212d1ccb0, 
    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=0x7f92e43c3c08, 
    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=0x7f9212d1fdd0, 
    thread_group=thread_group@entry=0x7f92e43c3c08, 
    abstime=abstime@entry=0x7f9212d1fd90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3c08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f9242db3700 (LWP 11254)):
#0  0x00007fabfa86389c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fabfa85f09b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fabfa85f01c in pthread_mutex_lock ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#3  0x0000000000630a5a 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=2654, 
    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=0x7f9205406008, tables=<optimized out>, 
    cond=<optimized out>) at /home/sean/build/mariadb-10.0.13/sql/sql_show.cc:2654
#6  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92ab41c948, 
    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=0x7f92ab41c948)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#8  0x00000000006214c1 in JOIN::exec (this=0x7f92ab41c948)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#9  0x000000000061e303 in mysql_select (thd=thd@entry=0x7f9205406008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f920540a540, 
    tables=0x7f92b4c13f28, 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=0x7f92ab41c928, 
    unit=0x7f9205409be0, select_lex=select_lex@entry=0x7f920540a2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#10 0x00000000006217bd in handle_select (thd=0x7f9205406008, lex=0x7f9205409b18, 
    result=0x7f92ab41c928, 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=0x7f9205406008, 
    all_tables=0x7f92b4c13f28)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#12 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f9205406008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#13 0x00000000005dd88a in mysql_parse (parser_state=0x7f9242db25d0, 
    thd=0x7f9205406008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#14 mysql_parse (thd=0x7f9205406008, rawbuf=<optimized out>, length=133, 
    parser_state=0x7f9242db25d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#15 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f9205406008, 
    packet=<optimized out>, packet_length=133)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:1307
#16 0x00000000006bc9b7 in threadpool_process_request (thd=0x7f9205406008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#17 0x00000000006ea7ad in handle_event (connection=0x7f91f3b50b48)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#18 worker_main (param=0x7f92e43c4e08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#19 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#20 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#21 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f966d046700 (LWP 11438)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, 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=0x7f92aa82e020, 
    thd=0x7f9203a6b008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f9203a6b008, tables=0x7f92aa82e020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92aa82f600, 
    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=0x7f92aa82f600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f92aa82f600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f9203a6b008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f9203a6f540, 
    tables=0x7f92aa82e020, 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=0x7f92aa82f5e0, 
    unit=0x7f9203a6ebe0, select_lex=select_lex@entry=0x7f9203a6f2c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f9203a6b008, lex=0x7f9203a6eb18, 
    result=0x7f92aa82f5e0, 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=0x7f9203a6b008, 
    all_tables=0x7f92aa82e020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f9203a6b008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7f966d0455d0, 
    thd=0x7f9203a6b008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f9203a6b008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7f966d0455d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f9203a6b008, 
    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=0x7f9203a6b008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f39f0e48)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f9215cb9700 (LWP 11476)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, 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=0x7f92b8e1a020, 
    thd=0x7f91ff5f1008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f91ff5f1008, tables=0x7f92b8e1a020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92b8e1b600, 
    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=0x7f92b8e1b600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f92b8e1b600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f91ff5f1008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f91ff5f5540, 
    tables=0x7f92b8e1a020, 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=0x7f92b8e1b5e0, 
    unit=0x7f91ff5f4be0, select_lex=select_lex@entry=0x7f91ff5f52c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f91ff5f1008, lex=0x7f91ff5f4b18, 
    result=0x7f92b8e1b5e0, 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=0x7f91ff5f1008, 
    all_tables=0x7f92b8e1a020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f91ff5f1008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7f9215cb85d0, 
    thd=0x7f91ff5f1008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f91ff5f1008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7f9215cb85d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f91ff5f1008, 
    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=0x7f91ff5f1008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f5770a48)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fabf885b700 (LWP 11526)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, 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=0x7f92ab954020, 
    thd=0x7f91fe65e008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f91fe65e008, tables=0x7f92ab954020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92ab955600, 
    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=0x7f92ab955600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f92ab955600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f91fe65e008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f91fe662540, 
    tables=0x7f92ab954020, 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=0x7f92ab9555e0, 
    unit=0x7f91fe661be0, select_lex=select_lex@entry=0x7f91fe6622c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f91fe65e008, lex=0x7f91fe661b18, 
    result=0x7f92ab9555e0, 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=0x7f91fe65e008, 
    all_tables=0x7f92ab954020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f91fe65e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7fabf885a5d0, 
    thd=0x7f91fe65e008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f91fe65e008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7fabf885a5d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f91fe65e008, 
    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=0x7f91fe65e008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f39e94c8)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f966d077700 (LWP 11601)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=31, 
    native_events=native_events@entry=0x7f966d073cb0, 
    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=0x7f92e43c4008, 
    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=0x7f966d076dd0, 
    thread_group=thread_group@entry=0x7f92e43c4008, 
    abstime=abstime@entry=0x7f966d076d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f9222f3b700 (LWP 11611)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=34, 
    native_events=native_events@entry=0x7f9222f37cb0, 
    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=0x7f92e43c4608, 
    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=0x7f9222f3add0, 
    thread_group=thread_group@entry=0x7f92e43c4608, 
    abstime=abstime@entry=0x7f9222f3ad90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4608)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f9222bc9700 (LWP 11612)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, index=15)
    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=0x7f92ac223020, 
    thd=0x7f92007ee008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f92007ee008, tables=0x7f92ac223020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92ac224600, 
    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=0x7f92ac224600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f92ac224600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f92007ee008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f92007f2540, 
    tables=0x7f92ac223020, 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=0x7f92ac2245e0, 
    unit=0x7f92007f1be0, select_lex=select_lex@entry=0x7f92007f22c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f92007ee008, lex=0x7f92007f1b18, 
    result=0x7f92ac2245e0, 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=0x7f92007ee008, 
    all_tables=0x7f92ac223020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f92007ee008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7f9222bc85d0, 
    thd=0x7f92007ee008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f92007ee008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7f9222bc85d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f92007ee008, 
    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=0x7f92007ee008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f39f0108)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f9c978a8700 (LWP 11653)):
#0  0x00007fabfa860d84 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=0x7fabf83f6880, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7fabf83f6880, 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=0x7fabf74e7080, 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=0x7f92b45c6020, 
    thd=0x7f91fc174008)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1293
#8  trx_i_s_common_fill_table (thd=0x7f91fc174008, tables=0x7f92b45c6020)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/handler/i_s.cc:1264
#9  0x0000000000637fb6 in get_schema_tables_result (join=0x7f92b45c7600, 
    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=0x7f92b45c7600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#11 0x00000000006214c1 in JOIN::exec (this=0x7f92b45c7600)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#12 0x000000000061e303 in mysql_select (thd=thd@entry=0x7f91fc174008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f91fc178540, 
    tables=0x7f92b45c6020, 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=0x7f92b45c75e0, 
    unit=0x7f91fc177be0, select_lex=select_lex@entry=0x7f91fc1782c8)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#13 0x00000000006217bd in handle_select (thd=0x7f91fc174008, lex=0x7f91fc177b18, 
    result=0x7f92b45c75e0, 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=0x7f91fc174008, 
    all_tables=0x7f92b45c6020)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#15 0x00000000005daf9a in mysql_execute_command (thd=thd@entry=0x7f91fc174008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#16 0x00000000005dd88a in mysql_parse (parser_state=0x7f9c978a75d0, 
    thd=0x7f91fc174008, rawbuf=<optimized out>, length=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6411
#17 mysql_parse (thd=0x7f91fc174008, rawbuf=<optimized out>, length=491, 
    parser_state=0x7f9c978a75d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:6332
#18 0x00000000005def95 in dispatch_command (command=COM_QUERY, thd=0x7f91fc174008, 
    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=0x7f91fc174008)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_common.cc:233
#20 0x00000000006ea7ad in handle_event (connection=0x7f91f39f0988)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1448
#21 worker_main (param=0x7f92e43c4808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1496
#22 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#23 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#24 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f9222e77700 (LWP 11751)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=35, 
    native_events=native_events@entry=0x7f9222e73cb0, 
    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=0x7f92e43c4808, 
    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=0x7f9222e76dd0, 
    thread_group=thread_group@entry=0x7f92e43c4808, 
    abstime=abstime@entry=0x7f9222e76d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4808)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f9242277700 (LWP 11864)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=26, 
    native_events=native_events@entry=0x7f9242273cb0, 
    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=0x7f92e43c3608, 
    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=0x7f9242276dd0, 
    thread_group=thread_group@entry=0x7f92e43c3608, 
    abstime=abstime@entry=0x7f9242276d90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c3608)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f92122a8700 (LWP 11877)):
#0  0x00007fabfa860d84 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=0x7f9345d8cd00, 
    cond=<optimized out>)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:214
#2  os_event_wait_low (event=0x7f9345d8cd00, reset_sig_count=18235)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/os/os0sync.cc:610
#3  0x00000000008f59df in sync_array_wait_event (arr=0x7fabf74e7080, index=18)
    at /home/sean/build/mariadb-10.0.13/storage/xtradb/sync/sync0arr.cc:461
#4  0x00000000008f76c5 in mutex_spin_wait (_mutex=0x7f92e4006068, 
    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=0x7f92e4006068)
    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=0x7f92e4006068)
    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=0x7f91fd200008, 
    plugin=<optimized out>, level=level@entry=0x7f92122a62ac)
    at /home/sean/build/mariadb-10.0.13/sql/handler.cc:788
#9  0x00000000005e3318 in plugin_foreach_with_mask (thd=0x7f91fd200008, 
    func=0x70edc0 <kill_handlerton(THD*, plugin_ref, void*)>, type=<optimized out>, 
    state_mask=4294967287, arg=0x7f92122a62ac)
    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=0x7f91fd200008, 
    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=0x7f922d74e008, 
    id=id@entry=990420367, 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=0x7f922d74e008, id=990420367, 
    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=0x7f922d74e008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:4313
#15 0x00000000007f39de in sp_instr_stmt::exec_core (this=0x7f92b622bd08, 
    thd=<optimized out>, nextp=0x7f92122a7274)
    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=0x7f92b622bd48, thd=thd@entry=0x7f922d74e008, 
    nextp=nextp@entry=0x7f92122a7274, open_tables=open_tables@entry=false, 
    instr=instr@entry=0x7f92b622bd08)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2964
#17 0x00000000007f9215 in sp_instr_stmt::execute (this=0x7f92b622bd08, 
    thd=0x7f922d74e008, nextp=0x7f92122a7274)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:3113
#18 0x00000000007f673a in sp_head::execute (this=this@entry=0x7f92017fd020, 
    thd=thd@entry=0x7f922d74e008, 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=0x7f92017fd020, 
    thd=<optimized out>, args=0x7f92122a7600)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2152
#20 0x0000000000677f29 in Event_job_data::execute (this=0x7f92122a7d40, 
    thd=0x7f922d74e008, 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=0x7f92122a7e3f, 
    thd=thd@entry=0x7f922d74e008, event=event@entry=0x7f922d7c7fa0)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:322
#22 0x0000000000822451 in event_worker_thread (arg=0x7f922d7c7fa0)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:279
#23 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f9242cef700 (LWP 11879)):
#0  0x00007fabfa86389c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fabfa85f09b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fabfa85f01c 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=0x7f9221a2f008, 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=0x7f92ad577508, 
    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=0x7f92ad577508)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2534
#8  0x00000000006214c1 in JOIN::exec (this=0x7f92ad577508)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:2369
#9  0x000000000061e303 in mysql_select (thd=thd@entry=0x7f9221a2f008, 
    rref_pointer_array=rref_pointer_array@entry=0x7f92ad4d4a48, 
    tables=0x7f92ad5bc700, wild_num=<optimized out>, fields=..., 
    conds=<optimized out>, og_num=1, order=0x7f92ad4d1f40, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2684635904, result=result@entry=0x7f92ad576020, 
    unit=0x7f92ad4d40e8, select_lex=select_lex@entry=0x7f92ad4d47d0)
    at /home/sean/build/mariadb-10.0.13/sql/sql_select.cc:3307
#10 0x00000000006217bd in handle_select (thd=0x7f9221a2f008, lex=0x7f92ad4d4020, 
    result=0x7f92ad576020, 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=0x7f9221a2f008, 
    all_tables=0x7f92ad5bc700)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:5265
#12 0x00000000005daf9a in mysql_execute_command (thd=0x7f9221a2f008)
    at /home/sean/build/mariadb-10.0.13/sql/sql_parse.cc:2552
#13 0x0000000000807911 in mysql_open_cursor (thd=0x7f9221a2f008, 
    result=<optimized out>, pcursor=0x7f92ad5740d8)
    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=0x7f92ad4d57b8, 
    thd=<optimized out>, nextp=0x7f9242cee274)
    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=0x7f92ad4d3438, thd=thd@entry=0x7f9221a2f008, nextp=0x7f9242cee274, 
    open_tables=open_tables@entry=false, instr=0x7f92ad4d57b8)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2964
#17 0x00000000007f8ff8 in sp_instr_copen::execute (this=<optimized out>, 
    thd=0x7f9221a2f008, 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=0x7f923c51c020, 
    thd=thd@entry=0x7f9221a2f008, 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=0x7f923c51c020, 
    thd=<optimized out>, args=0x7f9242cee600)
    at /home/sean/build/mariadb-10.0.13/sql/sp_head.cc:2152
#20 0x0000000000677f29 in Event_job_data::execute (this=0x7f9242ceed40, 
    thd=0x7f9221a2f008, 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=0x7f9242ceee3f, 
    thd=thd@entry=0x7f9221a2f008, event=event@entry=0x7f922d7c8040)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:322
#22 0x0000000000822451 in event_worker_thread (arg=0x7f922d7c8040)
    at /home/sean/build/mariadb-10.0.13/sql/event_scheduler.cc:279
#23 0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#24 0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#25 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9242f3b700 (LWP 11886)):
#0  0x00007fabf8ce19b3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00000000006e9f59 in io_poll_wait (pollfd=38, 
    native_events=native_events@entry=0x7f9242f37cb0, 
    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=0x7f92e43c4e08, 
    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=0x7f9242f3add0, 
    thread_group=thread_group@entry=0x7f92e43c4e08, 
    abstime=abstime@entry=0x7f9242f3ad90)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1092
#4  0x00000000006ea6e3 in worker_main (param=0x7f92e43c4e08)
    at /home/sean/build/mariadb-10.0.13/sql/threadpool_unix.cc:1492
#5  0x00007fabfa85ce9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fabf8ce131d in clone () from /lib/x86_64-linux-gnu/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fabfac86780 (LWP 19475)):
#0  0x00007fabfa86389c in __lll_lock_wait ()
   from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fabfa85f09b in _L_lock_1006 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fabfa85f01c 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=0x7f9208748008)
    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=0x7fabf801e058)
    at /home/sean/build/mariadb-10.0.13/sql/mysqld.cc:5530
#8  0x00007fabf8c0e76d 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 19475] will be detached.

Quit anyway? (y or n) [answered Y; input not from terminal]
Detaching from program: /opt/wmf-mariadb10/bin/mysqld, process 19475