Thread 14 (Thread 0x7f3e39ffb700 (LWP 6539)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e39ffad40, __mutex=<optimized out>, __cond=0x55a9f96a3770) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e39ffad90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3770) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 65108931}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e39ffad90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3770) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e39ffad90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3770) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e39ffad90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a3770) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a3770, t=t@entry=0x7f3e39ffade8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a3770) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f980a878
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 13 (Thread 0x7f3e3a7fc700 (LWP 6538)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e3a7fbd40, __mutex=<optimized out>, __cond=0x55a9f96a37f0) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3a7fbd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a37f0) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 65104449}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3a7fbd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a37f0) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e3a7fbd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a37f0) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e3a7fbd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a37f0) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a37f0, t=t@entry=0x7f3e3a7fbde8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a37f0) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f980ab78
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 12 (Thread 0x7f3e3b7fe700 (LWP 6536)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e3b7fdd40, __mutex=<optimized out>, __cond=0x55a9f96a38f0) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3b7fdd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a38f0) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 64911200}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3b7fdd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a38f0) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e3b7fdd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a38f0) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e3b7fdd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a38f0) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a38f0, t=t@entry=0x7f3e3b7fdde8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a38f0) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f980a6f8
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 11 (Thread 0x7f3e49a18700 (LWP 6532)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e49a17d40, __mutex=<optimized out>, __cond=0x55a9f96a3af0) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e49a17d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3af0) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 64908309}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e49a17d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3af0) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e49a17d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3af0) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e49a17d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a3af0) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a3af0, t=t@entry=0x7f3e49a17de8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a3af0) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f9809678
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 10 (Thread 0x7f3e49217700 (LWP 6533)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e49216d40, __mutex=<optimized out>, __cond=0x55a9f96a3a70) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e49216d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3a70) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 64908919}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e49216d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3a70) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e49216d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3a70) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e49216d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a3a70) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a3a70, t=t@entry=0x7f3e49216de8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a3a70) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f9809af8
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 9 (Thread 0x7f3e397fa700 (LWP 6540)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e397f9d40, __mutex=<optimized out>, __cond=0x55a9f96a36f0) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e397f9d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a36f0) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 183477652}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e397f9d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a36f0) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e397f9d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a36f0) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e397f9d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a36f0) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a36f0, t=t@entry=0x7f3e397f9de8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a36f0) at ./tpool/tpool_generic.cc:544
        task = 0x55a9fc217350
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 8 (Thread 0x7f3e4b0c9700 (LWP 6529)):
#0  0x00007f3ee9619ad3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f7fdbc28 in inline_mysql_cond_wait (that=that@entry=0x55a9f8b20fa8 <buf_pool+808>, mutex=mutex@entry=0x55a9f8b20f40 <buf_pool+704>, src_line=src_line@entry=2098, src_file=0x55a9f839eb88 "/build/mariadb-10.5-onlwrq/mariadb-10.5-10.5.9+maria~bionic~ubuntu18.04.1~1610445096.8de233af815.10.5/storage/innobase/buf/buf0flu.cc") at ./include/mysql/psi/mysql_thread.h:1233
        result = <optimized out>
#2  0x000055a9f7fe0a89 in buf_flush_page_cleaner () at ./storage/innobase/buf/buf0flu.cc:2098
        dirty_blocks = <optimized out>
        dirty_pct = <optimized out>
        oldest_lsn = <optimized out>
        n_flushed = <optimized out>
        tid = <optimized out>
        last_pages = 0
        abstime = {tv_sec = 1610479261, tv_nsec = 308831000}
        lsn_limit = <optimized out>
#3  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#4  0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 7 (Thread 0x7f3e3affd700 (LWP 6537)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e3affcd40, __mutex=<optimized out>, __cond=0x55a9f96a3870) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3affcd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3870) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 64905529}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3affcd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3870) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e3affcd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3870) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e3affcd90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a3870) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a3870, t=t@entry=0x7f3e3affcde8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a3870) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f97d88a8
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 6 (Thread 0x7f3e3bfff700 (LWP 6535)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e3bffed40, __mutex=<optimized out>, __cond=0x55a9f96a3970) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3bffed90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3970) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 64904576}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e3bffed90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3970) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e3bffed90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a3970) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e3bffed90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a3970) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a3970, t=t@entry=0x7f3e3bffede8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a3970) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f9809738
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 5 (Thread 0x7f3ee51f6700 (LWP 6526)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f7d08079 in inline_mysql_cond_timedwait (src_file=0x55a9f8341d38 "/build/mariadb-10.5-onlwrq/mariadb-10.5-10.5.9+maria~bionic~ubuntu18.04.1~1610445096.8de233af815.10.5/storage/maria/ma_servicethread.c", src_line=116, abstime=0x7f3ee51f5d20, mutex=0x55a9f93d7a60 <LOCK_checkpoint>, that=0x55a9f93d7a20 <COND_checkpoint>) at ./include/mysql/psi/mysql_thread.h:1270
        result = <optimized out>
        result = <optimized out>
        locker = <optimized out>
        state = <optimized out>
#2  my_service_thread_sleep (control=control@entry=0x55a9f8b13440 <checkpoint_control>, sleep_time=<optimized out>) at ./storage/maria/ma_servicethread.c:115
        abstime = {tv_sec = 1610479288, tv_nsec = 219258000}
        res = 0 '\000'
#3  0x000055a9f7cfbc61 in ma_checkpoint_background (arg=0x1e) at ./storage/maria/ma_checkpoint.c:707
        interval = 30
        sleeps = 1
        sleep_time = 29
        log_horizon_at_last_checkpoint = 4294977563
        pagecache_flushes_at_last_checkpoint = 0
        pages_bunch_size = 0
        filter_param = {up_to_lsn = 4294977519, max_pages = 0}
        dfile = 0x0
        kfile = 0x0
#4  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 4 (Thread 0x7f3eeaf0c700 (LWP 6523)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f8130112 in inline_mysql_cond_timedwait (that=0x55a9f947ae20 <COND_timer>, mutex=0x55a9f947ae60 <LOCK_timer>, src_file=0x55a9f83b50d8 "/build/mariadb-10.5-onlwrq/mariadb-10.5-10.5.9+maria~bionic~ubuntu18.04.1~1610445096.8de233af815.10.5/mysys/thr_timer.c", src_line=321, abstime=0x7f3eeaf0bdb0) at ./include/mysql/psi/mysql_thread.h:1270
        result = <optimized out>
        result = <optimized out>
        locker = <optimized out>
        state = <optimized out>
#2  timer_handler (arg=<optimized out>) at ./mysys/thr_timer.c:321
        error = <optimized out>
        top_time = 0x55a9f9694060
        now = <optimized out>
        abstime = {tv_sec = 1610479263, tv_nsec = 620689000}
#3  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#4  0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 3 (Thread 0x7f3ed1d1a700 (LWP 6528)):
#0  0x00007f3ee8a0b639 in syscall () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x000055a9f80b3e3d in my_getevents (min_nr=1, nr=256, ev=0x7f3ed1d17de0, ctx=<optimized out>) at ./tpool/aio_linux.cc:63
        saved_errno = <optimized out>
        ret = <optimized out>
        saved_errno = <optimized out>
        ret = <optimized out>
#2  tpool::aio_linux::getevent_thread_routine (aio=0x55a9f97a8a50) at ./tpool/aio_linux.cc:107
        ret = <optimized out>
        events = {{data = 0x0, obj = 0x55a9f9809a70, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f98099b0, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f980a670, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f98098f0, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f980a5b0, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f9809830, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f9809770, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f98096b0, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f98095f0, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f980a7f0, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f980a730, res = 16384, res2 = 0}, {data = 0x0, obj = 0x55a9f9809b30, res = 16384, res2 = 0}, {data = 0x0, obj = 0x0, res = 0, res2 = 0} <repeats 244 times>}
#3  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#4  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 2 (Thread 0x7f3e48a16700 (LWP 6534)):
#0  0x00007f3ee961a065 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f80b0416 in __gthread_cond_timedwait (__abs_timeout=0x7f3e48a15d40, __mutex=<optimized out>, __cond=0x55a9f96a39f0) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:871
No locals.
#2  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e48a15d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a39f0) at /usr/include/c++/7/condition_variable:178
        __s = <optimized out>
        __ns = <optimized out>
        __ts = {tv_sec = 1610479320, tv_nsec = 64903746}
        __s = <optimized out>
        __ns = <optimized out>
        __ts = <optimized out>
#3  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=<optimized out>, __lock=@0x7f3e48a15d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a39f0) at /usr/include/c++/7/condition_variable:106
No locals.
#4  std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (__rtime=@0x55a9f9693f88: {__r = 60000}, __lock=@0x7f3e48a15d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, this=0x55a9f96a39f0) at /usr/include/c++/7/condition_variable:143
        __reltime = <optimized out>
        __reltime = <optimized out>
#5  tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x55a9f9693e50, lk=@0x7f3e48a15d90: {_M_device = 0x55a9f9693f60, _M_owns = true}, thread_data=thread_data@entry=0x55a9f96a39f0) at ./tpool/tpool_generic.cc:446
        __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock<std::mutex>&, tpool::worker_data*)"
#6  0x000055a9f80b0b00 in tpool::thread_pool_generic::get_task (this=this@entry=0x55a9f9693e50, thread_var=thread_var@entry=0x55a9f96a39f0, t=t@entry=0x7f3e48a15de8) at ./tpool/tpool_generic.cc:499
        lk = {_M_device = 0x55a9f9693f60, _M_owns = true}
#7  0x000055a9f80b21dd in tpool::thread_pool_generic::worker_main (this=0x55a9f9693e50, thread_var=0x55a9f96a39f0) at ./tpool/tpool_generic.cc:544
        task = 0x55a9f98097f8
#8  0x00007f3ee913c6df in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#9  0x00007f3ee96136db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f3ee8a1171f in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7f3eeaf0d800 (LWP 6520)):
#0  0x00007f3ee961b3b1 in pthread_kill () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x000055a9f812b537 in my_write_core (sig=<optimized out>) at ./mysys/stacktrace.c:424
No locals.
#2  0x000055a9f7b36fda in handle_fatal_signal (sig=6) at ./sql/signal_handler.cc:330
        curr_time = 1610479260
        tm = {tm_sec = 0, tm_min = 21, tm_hour = 20, tm_mday = 12, tm_mon = 0, tm_year = 121, tm_wday = 2, tm_yday = 11, tm_isdst = 0, tm_gmtoff = 3600, tm_zone = 0x55a9f95958c0 "CET"}
        thd = 0x0
        print_invalid_query_pointer = false
#3  <signal handler called>
No symbol table info available.
#4  0x00007f3ee892efb7 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x00007f3ee8930921 in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x000055a9f78373fe in ut_dbg_assertion_failed (expr=expr@entry=0x55a9f83a20e8 "btr_pcur_is_on_user_rec(&pcur)", file=file@entry=0x55a9f83a1848 "/build/mariadb-10.5-onlwrq/mariadb-10.5-10.5.9+maria~bionic~ubuntu18.04.1~1610445096.8de233af815.10.5/storage/innobase/dict/dict0load.cc", line=line@entry=1816) at ./storage/innobase/ut/ut0dbg.cc:60
No locals.
#7  0x000055a9f800d623 in dict_load_columns (heap=0x55a9fc21f518, table=0x55a9fc20f480) at ./storage/innobase/dict/dict0load.cc:1816
        err_msg = <optimized out>
        name = 0x0
        nth_v_col = 18446744073709551615
        sys_columns = <optimized out>
        pcur = {btr_cur = {index = 0x55a9fbca7940, page_cur = {index = 0x0, rec = 0x7f3ec48e8074 <error: Cannot access memory at address 0x7f3ec48e8074>, offsets = 0x0, block = 0x7f3ec401bb00}, purge_node = 0x0, left_block = 0x0, thr = 0x0, flag = BTR_CUR_BINARY, tree_height = 2, up_match = 0, up_bytes = 0, low_match = 0, low_bytes = 0, n_fields = 0, n_bytes = 0, fold = 0, path_arr = 0x0, rtr_info = 0x0}, latch_mode = 1, old_stored = false, old_rec = 0x0, old_n_fields = 0, rel_pos = 0, block_when_stored = {m_block = 0x0, m_page_id = {m_id = 0}}, modify_clock = 0, pos_state = BTR_PCUR_IS_POSITIONED, search_mode = PAGE_CUR_GE, trx_if_known = 0x0, old_rec_buf = 0x0, buf_size = 0}
        dfield = <optimized out>
        buf = <optimized out>
        sys_index = <optimized out>
        tuple = <optimized out>
        mtr = {m_last = 0x0, m_last_offset = 0, m_log_mode = 0, m_modifications = 0, m_made_dirty = 0, m_inside_ibuf = 0, m_trim_pages = 0, m_memo = {m_heap = 0x0, m_list = {<ilist<mtr_buf_t::block_t, void>> = {sentinel_ = {next = 0x7ffc6abb0ac8, prev = 0x7ffc6abb0ac8}}, size_ = 1}, m_size = 48, m_first_block = {<ilist_node<void>> = {next = 0x7ffc6abb0aa8, prev = 0x7ffc6abb0aa8}, m_data = "\000\000\000\000\000\000\000\000 ", '\000' <repeats 15 times>, "\001\000\000\000\000\000\000\000\000\273\001\304>\177\000\000\001\000\000\000\000\000\000\000\260\v\273j\374\177\000\000\001\000\000\000\001", '\000' <repeats 19 times>, "\250\v\273j\374\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\374\177\000\001\001\000\000\000\000\000\000\000P[\312\373\251U\000\000\244\v\273j\374\177\000\000\370\274\066\370\251U\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000\000\220\304>\177\000\000\000\000\000\000\000\000\000\000\340\v\273j\374\177\000\000\263\016\000\000\000\000\000\000\020\025\273j\374\177\000\000\000G\351\277_w0\313"..., m_used = 48}}, m_log = {m_heap = 0x0, m_list = {<ilist<mtr_buf_t::block_t, void>> = {sentinel_ = {next = 0x7ffc6abb0cf8, prev = 0x7ffc6abb0cf8}}, size_ = 1}, m_size = 0, m_first_block = {<ilist_node<void>> = {next = 0x7ffc6abb0cd8, prev = 0x7ffc6abb0cd8}, m_data = '\000' <repeats 16 times>, "\300\016\273j\374\177\000\000\060\351a\351>\177\000\000\020\023\273j\374\177\000\000\000\000\000\000\374\177\000\000\000\000\000\000\000\000\000\000@\274\315\350>\177", '\000' <repeats 18 times>, "\030\000\000\000\060\000\000\000 \025\273j\374\177\000\000`\024\273j\374\177\000\000\377\377\000\000\000\000\000\000\341\313\377\367\251U\000\000\201M\316\373\251U\000\000\000\001\000\000\000\000\000\000p\017\273j\374\177\000\000\021\223\351\367\251U\000\000\060\020\273j\374\177\000\000\341\313\377\367\251U\000\000\001\000\000\000\000\000\000\000u|\364\367\251U\000\000\060\000\000\000\060\000\000\000\220\f!\374\251U\000\000\000"..., m_used = 0}}, m_user_space = 0x0, m_commit_lsn = 0, m_freed_space = 0x0, m_freed_pages = 0x0}
        n_skipped = <optimized out>
        rec = <optimized out>
        i = <optimized out>
        sys_columns = <optimized out>
        sys_index = <optimized out>
        pcur = <optimized out>
        tuple = <optimized out>
        dfield = <optimized out>
        rec = <optimized out>
        buf = <optimized out>
        i = <optimized out>
        mtr = <optimized out>
        n_skipped = <optimized out>
        err_msg = <optimized out>
        name = <optimized out>
        nth_v_col = <optimized out>
        col = <optimized out>
#8  dict_load_table_one (name=@0x7ffc6abb1428: {m_name = 0x55a9f836e35e "SYS_VIRTUAL", static part_suffix = "#P#"}, ignore_err=ignore_err@entry=DICT_ERR_IGNORE_NONE, fk_tables=std::deque with 0 elements) at ./storage/innobase/dict/dict0load.cc:2932
        err = <optimized out>
        sys_tables = <optimized out>
        pcur = {btr_cur = {index = 0x55a9fbca5b50, page_cur = {index = 0x0, rec = 0x0, offsets = 0x0, block = 0x0}, purge_node = 0x0, left_block = 0x0, thr = 0x0, flag = BTR_CUR_BINARY, tree_height = 2, up_match = 1, up_bytes = 0, low_match = 0, low_bytes = 0, n_fields = 0, n_bytes = 0, fold = 0, path_arr = 0x0, rtr_info = 0x0}, latch_mode = 8, old_stored = false, old_rec = 0x0, old_n_fields = 0, rel_pos = 0, block_when_stored = {m_block = 0x0, m_page_id = {m_id = 0}}, modify_clock = 0, pos_state = BTR_PCUR_NOT_POSITIONED, search_mode = PAGE_CUR_GE, trx_if_known = 0x0, old_rec_buf = 0x0, buf_size = 0}
        sys_index = <optimized out>
        tuple = <optimized out>
        heap = <optimized out>
        dfield = <optimized out>
        rec = <optimized out>
        field = <optimized out>
        len = 11
        mtr = {m_last = 0x0, m_last_offset = 0, m_log_mode = 0, m_modifications = 0, m_made_dirty = 0, m_inside_ibuf = 0, m_trim_pages = 0, m_memo = {m_heap = 0x0, m_list = {<ilist<mtr_buf_t::block_t, void>> = {sentinel_ = {next = 0x7ffc6abb0638, prev = 0x7ffc6abb0638}}, size_ = 1}, m_size = 0, m_first_block = {<ilist_node<void>> = {next = 0x7ffc6abb0618, prev = 0x7ffc6abb0618}, m_data = "\000\000\000\000\000\000\000\000 ", '\000' <repeats 15 times>, "\001", '\000' <repeats 15 times>, "\001\000\000\000\t\000\b\000\020\000\024\000\374\177\000\000\260\006\273j\374\177\000\000\202)\274j\374\177\000\000x\276\001\304>\177\000\000\202)\274j\374\177\000\000\001\000\000\000\000\000\000\000d\276\001\304>\177\000\000\340\006\273j\374\177\000\000\066\r\242\350>\177\000\000P\000\000\000\000\000\000\000\n\000\000\000\000\000\000\000\360\006\273j\374\177\000\000\n\000\000\000\000\000\000\000d\276\001\304>\177\000\000\300\316L\344>\177\000\000\000\276\001\304>\177\000\000\b\276\001\304>\177\000\000`\t\273j\374\177\000\000#\322\374\367\251U\000\000"..., m_used = 0}}, m_log = {m_heap = 0x0, m_list = {<ilist<mtr_buf_t::block_t, void>> = {sentinel_ = {next = 0x7ffc6abb0868, prev = 0x7ffc6abb0868}}, size_ = 1}, m_size = 0, m_first_block = {<ilist_node<void>> = {next = 0x7ffc6abb0848, prev = 0x7ffc6abb0848}, m_data = "\244\v\273j\374\177\000\000\020\026\273j\374\177", '\000' <repeats 11 times>, "\b\273j\374\177", '\000' <repeats 18 times>, "\300\b\273j\374\177\000\000\f\301\001\304>\177\000\000\263\016\000\000\000\000\000\000\265q\004\000\000\000\000\000\230x!\374\251U\000\000\000\n\000\304>\177\000\000\000\v\000\304>\177\000\000p\005\000\000\000\000\000\000|\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\230x!\374\251U\000\000@\274\315\350>\177\000\000hI\230\350>\177\000\000\310\021\273j\374\177\000\000`\005\000\000\000\000\000\000\b\000\000\000E\000\000\000\a", '\000' <repeats 15 times>, "\270\"W\371\251U\000\000"..., m_used = 0}}, m_user_space = 0x0, m_commit_lsn = 0, m_freed_space = 0x0, m_freed_pages = 0x0}
        table = 0x55a9fc20f480
        index_load_err = <optimized out>
#9  0x000055a9f80056a1 in dict_load_table (name=name@entry=0x55a9f836e35e "SYS_VIRTUAL", ignore_err=ignore_err@entry=DICT_ERR_IGNORE_NONE) at ./storage/innobase/dict/dict0load.cc:2739
        fk_list = std::deque with 0 elements
        result = <optimized out>
        i = <optimized out>
#10 0x000055a9f7ff2b5a in dict_table_get_low (table_name=0x55a9f836e35e "SYS_VIRTUAL") at ./storage/innobase/include/dict0priv.ic:57
        table = <optimized out>
        table_name = 0x55a9f836e35e "SYS_VIRTUAL"
        table = <optimized out>
        error = <optimized out>
        table = <optimized out>
        error = <optimized out>
#11 0x000055a9f7ff2cd6 in dict_check_if_system_table_exists (tablename=0x55a9f836e35e "SYS_VIRTUAL", num_fields=6, num_indexes=1) at ./storage/innobase/dict/dict0crea.cc:1365
        sys_table = <optimized out>
        error = DB_SUCCESS
#12 0x000055a9f7ff32c9 in dict_create_or_check_sys_virtual () at ./storage/innobase/dict/dict0crea.cc:1545
        trx = <optimized out>
        srv_file_per_table_backup = <optimized out>
        err = <optimized out>
        sys_virtual_err = <optimized out>
#13 0x000055a9f7f428ad in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1854
        create_new_log = <optimized out>
        flushed_lsn = 1586283788623
        err = DB_SUCCESS
        srv_log_file_found = true
        mtr = {m_last = 0x0, m_last_offset = 0, m_log_mode = 0, m_modifications = 0, m_made_dirty = 1, m_inside_ibuf = 0, m_trim_pages = 0, m_memo = {m_heap = 0x0, m_list = {<ilist<mtr_buf_t::block_t, void>> = {sentinel_ = {next = 0x7ffc6abb27d8, prev = 0x7ffc6abb27d8}}, size_ = 1}, m_size = 0, m_first_block = {<ilist_node<void>> = {next = 0x7ffc6abb27b8, prev = 0x7ffc6abb27b8}, m_data = "\000\000\000\000\000\000\000\000\002\000\000\000\377\377\377\377\000\000\000\000\000\000\000\000\002\000\000\000\377\377\377\377\000\000\000\000\000\000\000\000\002\000\000\000\377\377\377\377\000\000\000\000\000\000\000\000\002\000\000\000", '\377' <repeats 440 times>, m_used = 0}}, m_log = {m_heap = 0x0, m_list = {<ilist<mtr_buf_t::block_t, void>> = {sentinel_ = {next = 0x7ffc6abb2a08, prev = 0x7ffc6abb2a08}}, size_ = 1}, m_size = 0, m_first_block = {<ilist_node<void>> = {next = 0x7ffc6abb29e8, prev = 0x7ffc6abb29e8}, m_data = '\377' <repeats 500 times>, m_used = 0}}, m_user_space = 0x0, m_commit_lsn = 0, m_freed_space = 0x0, m_freed_pages = 0x0}
        sum_of_new_sizes = 0
        logfile0 = ""
#14 0x000055a9f7e38182 in innodb_init (p=<optimized out>) at ./storage/innobase/handler/ha_innodb.cc:3910
        innobase_hton = <optimized out>
        count = 1
        create_new_db = false
        err = <optimized out>
#15 0x000055a9f7b39f3e in ha_initialize_handlerton (plugin=0x55a9f95d3450) at ./sql/handler.cc:645
        hton = 0x55a9f9693698
        no_exts = {0x0}
        tmp = <optimized out>
        fslot = <optimized out>
#16 0x000055a9f794f773 in plugin_initialize (tmp_root=tmp_root@entry=0x7ffc6abb64f0, plugin=plugin@entry=0x55a9f95d3450, argc=argc@entry=0x55a9f8ba1c80 <remaining_argc>, argv=argv@entry=0x55a9f9594c90, options_only=options_only@entry=false) at ./sql/sql_plugin.cc:1459
        state = 4
#17 0x000055a9f7950a23 in plugin_init (argc=argc@entry=0x55a9f8ba1c80 <remaining_argc>, argv=<optimized out>, flags=0) at ./sql/sql_plugin.cc:1751
        plugin_table_engine = <optimized out>
        opts_only = <optimized out>
        idx = 8
        hash = 0x55a9f8ba4cf0 <plugin_hash+112>
        i = <optimized out>
        builtins = <optimized out>
        plugin = <optimized out>
        tmp = {name = {str = 0x55a9f8633592 "partition", length = 9}, plugin = 0x55a9f8b135c0 <builtin_maria_partition_plugin>, plugin_dl = 0x0, ptr_backup = 0x0, nbackups = 0, state = 4, ref_count = 0, locks_total = 0, data = 0x0, mem_root = {free = 0x0, used = 0x0, pre_alloc = 0x0, min_malloc = 0, block_size = 0, block_num = 0, first_block_usage = 0, error_handler = 0x0, m_psi_key = 0}, system_vars = 0x0, load_option = PLUGIN_ON}
        plugin_ptr = 0x55a9f95d3450
        reap = 0x7ffc6abb6198
        tmp_root = {free = 0x55a9f96847d8, used = 0x55a9f9682808, pre_alloc = 0x55a9f95d46a8, min_malloc = 32, block_size = 4056, block_num = 11, first_block_usage = 0, error_handler = 0x0, m_psi_key = 0}
        reaped_mandatory_plugin = false
        mandatory = <optimized out>
        opt_plugin_load_list_iter = {<base_ilist_iterator> = {list = 0x55a9f8ba5240 <opt_plugin_load_list>, el = <optimized out>, current = <optimized out>}, <No data fields>}
        plugin_table_engine_name_buf = "MyISAM\000\377\n\000\000\000\000\000\000\000\300f\273j\374\177\000\000\314\314\314\314\314\314\314\f\n", '\000' <repeats 14 times>, "\200:\314\314\314\314\314\314\fTg\273j\374\177\000\000"
        plugin_table_engine_name = {str = 0x7ffc6abb6660 "MyISAM", length = 6}
        MyISAM = {str = 0x55a9f86356ab "MyISAM", length = 6}
#18 0x000055a9f78746ad in init_server_components () at ./sql/mysqld.cc:4913
No locals.
#19 0x000055a9f787a43a in mysqld_main (argc=<optimized out>, argv=<optimized out>) at ./sql/mysqld.cc:5496
        please_close_stdin = true
        ho_error = <optimized out>
        new_thread_stack_size = <optimized out>
        user = <optimized out>
#20 0x00007f3ee8911bf7 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#21 0x000055a9f786efaa in _start ()
No symbol table info available.