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  1. MariaDB Server
  2. MDEV-26879

innodb_evict_tables_on_commit_debug=on makes table creation hang

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      Description

      After the set of commits for MDEV-25919 (I'm not sure which exactly commit, not all of them compile), setting innodb_evict_tables_on_commit_debug to ON makes table operations hang. It didn't happen before, and I don't see any obvious mention of it in commit comments, so I'm not sure whether it was intentional.

      --source include/have_innodb.inc
       
      SET GLOBAL innodb_evict_tables_on_commit_debug= on;
      CREATE TABLE t (a INT) ENGINE=InnoDB;
      

      10.6 0144d1d2

      [Thread debugging using libthread_db enabled]
      Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
      0x00007fca779d3aff in __GI___poll (fds=0x55f6c2d15098, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
      29	../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
       
      Thread 15 (Thread 0x7fca7417b700 (LWP 3457135)):
      #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
      #1  0x000055f6c06909e7 in srw_mutex_impl<false>::wait (this=0x55f6c1408188 <dict_sys+72>, lk=2147483650) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:281
      #2  0x000055f6c068fa2c in srw_mutex_impl<false>::wait_and_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:391
      #3  0x000055f6c0483e51 in srw_mutex_impl<false>::wr_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:80
      #4  0x000055f6c048056e in ssux_lock_impl<false>::wr_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:228
      #5  0x000055f6c05623c0 in srw_lock_impl<false>::wr_lock (this=0x55f6c1408180 <dict_sys+64>, file=0x55f6c0d4da70 "/data/src/10.6/storage/innobase/lock/lock0lock.cc", line=3876) at /data/src/10.6/storage/innobase/include/srw_lock.h:469
      #6  0x000055f6c078b955 in dict_sys_t::lock_wait (this=0x55f6c1408140 <dict_sys>, file=0x55f6c0d4da70 "/data/src/10.6/storage/innobase/lock/lock0lock.cc", line=3876) at /data/src/10.6/storage/innobase/dict/dict0dict.cc:961
      #7  0x000055f6c047a66d in dict_sys_t::lock (this=0x55f6c1408140 <dict_sys>, file=0x55f6c0d4da70 "/data/src/10.6/storage/innobase/lock/lock0lock.cc", line=3876) at /data/src/10.6/storage/innobase/include/dict0dict.h:1571
      #8  0x000055f6c0512072 in lock_release (trx=0x7fca74a36390) at /data/src/10.6/storage/innobase/lock/lock0lock.cc:3876
      #9  0x000055f6c06c95ce in trx_t::release_locks (this=0x7fca74a36390) at /data/src/10.6/storage/innobase/trx/trx0trx.cc:490
      #10 0x000055f6c06ca199 in trx_t::commit_in_memory (this=0x7fca74a36390, mtr=0x7fca74177580) at /data/src/10.6/storage/innobase/trx/trx0trx.cc:1294
      #11 0x000055f6c06c5807 in trx_t::commit_low (this=0x7fca74a36390, mtr=0x7fca74177580) at /data/src/10.6/storage/innobase/trx/trx0trx.cc:1448
      #12 0x000055f6c06c5899 in trx_t::commit_persist (this=0x7fca74a36390) at /data/src/10.6/storage/innobase/trx/trx0trx.cc:1462
      #13 0x000055f6c07cbe4a in trx_t::commit (this=0x7fca74a36390, deleted=std::vector of length 0, capacity 0) at /data/src/10.6/storage/innobase/dict/drop.cc:233
      #14 0x000055f6c047fd00 in ha_innobase::create (this=0x7fca180322a0, name=0x7fca74179560 "./test/t", form=0x7fca74178100, create_info=0x7fca74179ac0, file_per_table=true, trx=0x7fca74a36390) at /data/src/10.6/storage/innobase/handler/ha_innodb.cc:13185
      #15 0x000055f6c04647ab in ha_innobase::create (this=0x7fca180322a0, name=0x7fca74179560 "./test/t", form=0x7fca74178100, create_info=0x7fca74179ac0) at /data/src/10.6/storage/innobase/handler/ha_innodb.cc:13212
      #16 0x000055f6c002d15c in handler::ha_create (this=0x7fca180322a0, name=0x7fca74179560 "./test/t", form=0x7fca74178100, info_arg=0x7fca74179ac0) at /data/src/10.6/sql/handler.cc:5422
      #17 0x000055f6c002e9c1 in ha_create_table (thd=0x7fca18000db8, path=0x7fca74179560 "./test/t", db=0x7fca18014938 "test", table_name=0x7fca18014220 "t", create_info=0x7fca74179ac0, frm=0x7fca74179550, skip_frm_file=false) at /data/src/10.6/sql/handler.cc:5887
      #18 0x000055f6bfd80360 in create_table_impl (thd=0x7fca18000db8, ddl_log_state_create=0x7fca741797f0, ddl_log_state_rm=0x7fca74179810, orig_db=..., orig_table_name=..., db=..., table_name=..., path=..., options=..., create_info=0x7fca74179ac0, alter_info=0x7fca741799d0, create_table_mode=0, is_trans=0x7fca741797ce, key_info=0x7fca74179530, key_count=0x7fca74179524, frm=0x7fca74179550) at /data/src/10.6/sql/sql_table.cc:4447
      #19 0x000055f6bfd8082d in mysql_create_table_no_lock (thd=0x7fca18000db8, ddl_log_state_create=0x7fca741797f0, ddl_log_state_rm=0x7fca74179810, db=0x7fca18014270, table_name=0x7fca18014280, create_info=0x7fca74179ac0, alter_info=0x7fca741799d0, is_trans=0x7fca741797ce, create_table_mode=0, table_list=0x7fca18014258) at /data/src/10.6/sql/sql_table.cc:4546
      #20 0x000055f6bfd80dbe in mysql_create_table (thd=0x7fca18000db8, create_table=0x7fca18014258, create_info=0x7fca74179ac0, alter_info=0x7fca741799d0) at /data/src/10.6/sql/sql_table.cc:4658
      #21 0x000055f6bfd96a45 in Sql_cmd_create_table_like::execute (this=0x7fca180141f8, thd=0x7fca18000db8) at /data/src/10.6/sql/sql_table.cc:11778
      #22 0x000055f6bfc8d03d in mysql_execute_command (thd=0x7fca18000db8, is_called_from_prepared_stmt=false) at /data/src/10.6/sql/sql_parse.cc:5997
      #23 0x000055f6bfc931e9 in mysql_parse (thd=0x7fca18000db8, rawbuf=0x7fca18014150 "CREATE TABLE t (a INT) ENGINE=InnoDB", length=36, parser_state=0x7fca7417a480) at /data/src/10.6/sql/sql_parse.cc:8030
      #24 0x000055f6bfc7f619 in dispatch_command (command=COM_QUERY, thd=0x7fca18000db8, packet=0x7fca1800b769 "CREATE TABLE t (a INT) ENGINE=InnoDB", packet_length=36, blocking=true) at /data/src/10.6/sql/sql_parse.cc:1896
      #25 0x000055f6bfc7dfb5 in do_command (thd=0x7fca18000db8, blocking=true) at /data/src/10.6/sql/sql_parse.cc:1404
      #26 0x000055f6bfe3c05f in do_handle_one_connection (connect=0x55f6c2d60fc8, put_in_cache=true) at /data/src/10.6/sql/sql_connect.cc:1418
      #27 0x000055f6bfe3bcef in handle_one_connection (arg=0x55f6c2d7dc78) at /data/src/10.6/sql/sql_connect.cc:1312
      #28 0x000055f6c036c941 in pfs_spawn_thread (arg=0x55f6c2c890a8) at /data/src/10.6/storage/perfschema/pfs.cc:2201
      #29 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #30 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 14 (Thread 0x7fca741c6700 (LWP 3457132)):
      #0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f6c15d00e8 <COND_manager+40>) at ../sysdeps/nptl/futex-internal.h:183
      #1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f6c15d0028 <LOCK_manager+40>, cond=0x55f6c15d00c0 <COND_manager>) at pthread_cond_wait.c:508
      #2  __pthread_cond_wait (cond=0x55f6c15d00c0 <COND_manager>, mutex=0x55f6c15d0028 <LOCK_manager+40>) at pthread_cond_wait.c:638
      #3  0x000055f6c0913ed4 in safe_cond_wait (cond=0x55f6c15d00c0 <COND_manager>, mp=0x55f6c15d0000 <LOCK_manager>, file=0x55f6c0a1d920 "/data/src/10.6/include/mysql/psi/mysql_thread.h", line=1072) at /data/src/10.6/mysys/thr_mutex.c:492
      #4  0x000055f6bfc78e44 in inline_mysql_cond_wait (that=0x55f6c15d00c0 <COND_manager>, mutex=0x55f6c15d0000 <LOCK_manager>, src_file=0x55f6c0a1df70 "/data/src/10.6/sql/sql_manager.cc", src_line=103) at /data/src/10.6/include/mysql/psi/mysql_thread.h:1072
      #5  0x000055f6bfc79268 in handle_manager (arg=0x0) at /data/src/10.6/sql/sql_manager.cc:103
      #6  0x000055f6c036c941 in pfs_spawn_thread (arg=0x55f6c2d14d48) at /data/src/10.6/storage/perfschema/pfs.cc:2201
      #7  0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #8  0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 13 (Thread 0x7fca337fe700 (LWP 3457131)):
      #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fca337fdb90, clockid=<optimized out>, expected=0, futex_word=0x55f6c28892e8) at ../sysdeps/nptl/futex-internal.h:320
      #1  __pthread_cond_wait_common (abstime=0x7fca337fdb90, clockid=<optimized out>, mutex=0x55f6c2879a30, cond=0x55f6c28892c0) at pthread_cond_wait.c:520
      #2  __pthread_cond_timedwait (cond=0x55f6c28892c0, mutex=0x55f6c2879a30, abstime=0x7fca337fdb90) at pthread_cond_wait.c:656
      #3  0x000055f6c0869655 in __gthread_cond_timedwait (__cond=0x55f6c28892c0, __mutex=0x55f6c2879a30, __abs_timeout=0x7fca337fdb90) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872
      #4  0x000055f6c086c495 in std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c28892c0, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:188
      #5  0x000055f6c086b569 in std::condition_variable::wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c28892c0, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:121
      #6  0x000055f6c086a822 in std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (this=0x55f6c28892c0, __lock=..., __rtime=...) at /usr/include/c++/9/condition_variable:152
      #7  0x000055f6c0867ddd in tpool::thread_pool_generic::wait_for_tasks (this=0x55f6c2879920, lk=..., thread_data=0x55f6c28892c0) at /data/src/10.6/tpool/tpool_generic.cc:449
      #8  0x000055f6c0867fed in tpool::thread_pool_generic::get_task (this=0x55f6c2879920, thread_var=0x55f6c28892c0, t=0x7fca337fdcf8) at /data/src/10.6/tpool/tpool_generic.cc:502
      #9  0x000055f6c0868287 in tpool::thread_pool_generic::worker_main (this=0x55f6c2879920, thread_var=0x55f6c28892c0) at /data/src/10.6/tpool/tpool_generic.cc:547
      #10 0x000055f6c086f3a6 in std::__invoke_impl<void, void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__f=@0x7fca3c001028: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>, __t=@0x7fca3c001020: 0x55f6c2879920) at /usr/include/c++/9/bits/invoke.h:73
      #11 0x000055f6c086f288 in std::__invoke<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__fn=@0x7fca3c001028: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>) at /usr/include/c++/9/bits/invoke.h:95
      #12 0x000055f6c086f1a7 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fca3c001018) at /usr/include/c++/9/thread:244
      #13 0x000055f6c086f142 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::operator() (this=0x7fca3c001018) at /usr/include/c++/9/thread:251
      #14 0x000055f6c086f122 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> > >::_M_run (this=0x7fca3c001010) at /usr/include/c++/9/thread:195
      #15 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #16 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #17 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 12 (Thread 0x7fca33fff700 (LWP 3457130)):
      #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fca33ffeb90, clockid=<optimized out>, expected=0, futex_word=0x55f6c2889368) at ../sysdeps/nptl/futex-internal.h:320
      #1  __pthread_cond_wait_common (abstime=0x7fca33ffeb90, clockid=<optimized out>, mutex=0x55f6c2879a30, cond=0x55f6c2889340) at pthread_cond_wait.c:520
      #2  __pthread_cond_timedwait (cond=0x55f6c2889340, mutex=0x55f6c2879a30, abstime=0x7fca33ffeb90) at pthread_cond_wait.c:656
      #3  0x000055f6c0869655 in __gthread_cond_timedwait (__cond=0x55f6c2889340, __mutex=0x55f6c2879a30, __abs_timeout=0x7fca33ffeb90) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872
      #4  0x000055f6c086c495 in std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c2889340, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:188
      #5  0x000055f6c086b569 in std::condition_variable::wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c2889340, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:121
      #6  0x000055f6c086a822 in std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (this=0x55f6c2889340, __lock=..., __rtime=...) at /usr/include/c++/9/condition_variable:152
      #7  0x000055f6c0867ddd in tpool::thread_pool_generic::wait_for_tasks (this=0x55f6c2879920, lk=..., thread_data=0x55f6c2889340) at /data/src/10.6/tpool/tpool_generic.cc:449
      #8  0x000055f6c0867fed in tpool::thread_pool_generic::get_task (this=0x55f6c2879920, thread_var=0x55f6c2889340, t=0x7fca33ffecf8) at /data/src/10.6/tpool/tpool_generic.cc:502
      #9  0x000055f6c0868287 in tpool::thread_pool_generic::worker_main (this=0x55f6c2879920, thread_var=0x55f6c2889340) at /data/src/10.6/tpool/tpool_generic.cc:547
      #10 0x000055f6c086f3a6 in std::__invoke_impl<void, void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__f=@0x7fca3c000e98: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>, __t=@0x7fca3c000e90: 0x55f6c2879920) at /usr/include/c++/9/bits/invoke.h:73
      #11 0x000055f6c086f288 in std::__invoke<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__fn=@0x7fca3c000e98: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>) at /usr/include/c++/9/bits/invoke.h:95
      #12 0x000055f6c086f1a7 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fca3c000e88) at /usr/include/c++/9/thread:244
      #13 0x000055f6c086f142 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::operator() (this=0x7fca3c000e88) at /usr/include/c++/9/thread:251
      #14 0x000055f6c086f122 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> > >::_M_run (this=0x7fca3c000e80) at /usr/include/c++/9/thread:195
      #15 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #16 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #17 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 11 (Thread 0x7fca50ffb700 (LWP 3457129)):
      #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
      #1  0x000055f6c06909e7 in srw_mutex_impl<false>::wait (this=0x55f6c1408188 <dict_sys+72>, lk=2147483652) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:281
      #2  0x000055f6c068fa2c in srw_mutex_impl<false>::wait_and_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:391
      #3  0x000055f6c0483e51 in srw_mutex_impl<false>::wr_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:80
      #4  0x000055f6c0690516 in ssux_lock_impl<false>::rd_wait (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:453
      #5  0x000055f6c05f98c1 in ssux_lock_impl<false>::rd_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:218
      #6  0x000055f6c0694c4e in srw_lock_impl<false>::rd_lock (this=0x55f6c1408180 <dict_sys+64>, file=0x55f6c0e138e0 "/data/src/10.6/storage/innobase/dict/dict0dict.cc", line=834) at /data/src/10.6/storage/innobase/include/srw_lock.h:456
      #7  0x000055f6c078bf2d in dict_sys_t::freeze (this=0x55f6c1408140 <dict_sys>, file=0x55f6c0e138e0 "/data/src/10.6/storage/innobase/dict/dict0dict.cc", line=834) at /data/src/10.6/storage/innobase/dict/dict0dict.cc:997
      #8  0x000055f6c078b328 in dict_table_open_on_id (table_id=1, dict_locked=false, table_op=DICT_TABLE_OP_NORMAL, thd=0x55f6c2c7f078, mdl=0x55f6c2bf9cc8) at /data/src/10.6/storage/innobase/dict/dict0dict.cc:834
      #9  0x000055f6c063eeed in row_purge_parse_undo_rec (node=0x55f6c2bf9b28, undo_rec=0x55f6c2c0b0e8 "", thr=0x55f6c2bf9938, updated_extern=0x7fca50ffab22) at /data/src/10.6/storage/innobase/row/row0purge.cc:1028
      #10 0x000055f6c063f86b in row_purge (node=0x55f6c2bf9b28, undo_rec=0x55f6c2c0b0e8 "", thr=0x55f6c2bf9938) at /data/src/10.6/storage/innobase/row/row0purge.cc:1206
      #11 0x000055f6c063fa26 in row_purge_step (thr=0x55f6c2bf9938) at /data/src/10.6/storage/innobase/row/row0purge.cc:1258
      #12 0x000055f6c05b1a16 in que_thr_step (thr=0x55f6c2bf9938) at /data/src/10.6/storage/innobase/que/que0que.cc:653
      #13 0x000055f6c05b1c8b in que_run_threads_low (thr=0x55f6c2bf9938) at /data/src/10.6/storage/innobase/que/que0que.cc:709
      #14 0x000055f6c05b1da3 in que_run_threads (thr=0x55f6c2bf9938) at /data/src/10.6/storage/innobase/que/que0que.cc:729
      #15 0x000055f6c068302d in srv_task_execute () at /data/src/10.6/storage/innobase/srv/srv0srv.cc:1711
      #16 0x000055f6c06835c7 in purge_worker_callback () at /data/src/10.6/storage/innobase/srv/srv0srv.cc:1954
      #17 0x000055f6c086f59e in tpool::task_group::execute (this=0x55f6c1e99dc0 <purge_task_group>, t=0x55f6c1e999e0 <purge_worker_task>) at /data/src/10.6/tpool/task_group.cc:55
      #18 0x000055f6c086f8d8 in tpool::task::execute (this=0x55f6c1e999e0 <purge_worker_task>) at /data/src/10.6/tpool/task.cc:32
      #19 0x000055f6c08682bb in tpool::thread_pool_generic::worker_main (this=0x55f6c2879920, thread_var=0x55f6c28893c0) at /data/src/10.6/tpool/tpool_generic.cc:549
      #20 0x000055f6c086f3a6 in std::__invoke_impl<void, void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__f=@0x55f6c2c0cc48: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>, __t=@0x55f6c2c0cc40: 0x55f6c2879920) at /usr/include/c++/9/bits/invoke.h:73
      #21 0x000055f6c086f288 in std::__invoke<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__fn=@0x55f6c2c0cc48: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>) at /usr/include/c++/9/bits/invoke.h:95
      #22 0x000055f6c086f1a7 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x55f6c2c0cc38) at /usr/include/c++/9/thread:244
      #23 0x000055f6c086f142 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::operator() (this=0x55f6c2c0cc38) at /usr/include/c++/9/thread:251
      #24 0x000055f6c086f122 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> > >::_M_run (this=0x55f6c2c0cc30) at /usr/include/c++/9/thread:195
      #25 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #26 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #27 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 10 (Thread 0x7fca74211700 (LWP 3457128)):
      #0  0x00007fca77905322 in __GI___sigtimedwait (set=0x7fca74210d50, info=0x7fca74210c70, timeout=0x0) at ../sysdeps/unix/sysv/linux/sigtimedwait.c:29
      #1  0x000055f6bfb28a79 in my_sigwait (set=0x7fca74210d50, sig=0x7fca74210d14, code=0x7fca74210d18) at /data/src/10.6/include/my_pthread.h:195
      #2  0x000055f6bfb2ed0e in signal_hand (arg=0x0) at /data/src/10.6/sql/mysqld.cc:3113
      #3  0x000055f6c036c941 in pfs_spawn_thread (arg=0x55f6c286b6a8) at /data/src/10.6/storage/perfschema/pfs.cc:2201
      #4  0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #5  0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 9 (Thread 0x7fca517fc700 (LWP 3457127)):
      #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fca517fbb90, clockid=<optimized out>, expected=0, futex_word=0x55f6c2889468) at ../sysdeps/nptl/futex-internal.h:320
      #1  __pthread_cond_wait_common (abstime=0x7fca517fbb90, clockid=<optimized out>, mutex=0x55f6c2879a30, cond=0x55f6c2889440) at pthread_cond_wait.c:520
      #2  __pthread_cond_timedwait (cond=0x55f6c2889440, mutex=0x55f6c2879a30, abstime=0x7fca517fbb90) at pthread_cond_wait.c:656
      #3  0x000055f6c0869655 in __gthread_cond_timedwait (__cond=0x55f6c2889440, __mutex=0x55f6c2879a30, __abs_timeout=0x7fca517fbb90) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872
      #4  0x000055f6c086c495 in std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c2889440, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:188
      #5  0x000055f6c086b569 in std::condition_variable::wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c2889440, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:121
      #6  0x000055f6c086a822 in std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (this=0x55f6c2889440, __lock=..., __rtime=...) at /usr/include/c++/9/condition_variable:152
      #7  0x000055f6c0867ddd in tpool::thread_pool_generic::wait_for_tasks (this=0x55f6c2879920, lk=..., thread_data=0x55f6c2889440) at /data/src/10.6/tpool/tpool_generic.cc:449
      #8  0x000055f6c0867fed in tpool::thread_pool_generic::get_task (this=0x55f6c2879920, thread_var=0x55f6c2889440, t=0x7fca517fbcf8) at /data/src/10.6/tpool/tpool_generic.cc:502
      #9  0x000055f6c0868287 in tpool::thread_pool_generic::worker_main (this=0x55f6c2879920, thread_var=0x55f6c2889440) at /data/src/10.6/tpool/tpool_generic.cc:547
      #10 0x000055f6c086f3a6 in std::__invoke_impl<void, void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__f=@0x7fca3c000d08: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>, __t=@0x7fca3c000d00: 0x55f6c2879920) at /usr/include/c++/9/bits/invoke.h:73
      #11 0x000055f6c086f288 in std::__invoke<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__fn=@0x7fca3c000d08: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>) at /usr/include/c++/9/bits/invoke.h:95
      #12 0x000055f6c086f1a7 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fca3c000cf8) at /usr/include/c++/9/thread:244
      #13 0x000055f6c086f142 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::operator() (this=0x7fca3c000cf8) at /usr/include/c++/9/thread:251
      #14 0x000055f6c086f122 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> > >::_M_run (this=0x7fca3c000cf0) at /usr/include/c++/9/thread:195
      #15 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #16 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #17 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 8 (Thread 0x7fca51ffd700 (LWP 3457126)):
      #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
      #1  0x000055f6c06909e7 in srw_mutex_impl<false>::wait (this=0x55f6c1408188 <dict_sys+72>, lk=2147483651) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:281
      #2  0x000055f6c068fa2c in srw_mutex_impl<false>::wait_and_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:391
      #3  0x000055f6c0483e51 in srw_mutex_impl<false>::wr_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:80
      #4  0x000055f6c0690516 in ssux_lock_impl<false>::rd_wait (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:453
      #5  0x000055f6c05f98c1 in ssux_lock_impl<false>::rd_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:218
      #6  0x000055f6c0694c4e in srw_lock_impl<false>::rd_lock (this=0x55f6c1408180 <dict_sys+64>, file=0x55f6c0e138e0 "/data/src/10.6/storage/innobase/dict/dict0dict.cc", line=834) at /data/src/10.6/storage/innobase/include/srw_lock.h:456
      #7  0x000055f6c078bf2d in dict_sys_t::freeze (this=0x55f6c1408140 <dict_sys>, file=0x55f6c0e138e0 "/data/src/10.6/storage/innobase/dict/dict0dict.cc", line=834) at /data/src/10.6/storage/innobase/dict/dict0dict.cc:997
      #8  0x000055f6c078b328 in dict_table_open_on_id (table_id=2, dict_locked=false, table_op=DICT_TABLE_OP_NORMAL, thd=0x55f6c2c378a8, mdl=0x55f6c2bf9f78) at /data/src/10.6/storage/innobase/dict/dict0dict.cc:834
      #9  0x000055f6c063eeed in row_purge_parse_undo_rec (node=0x55f6c2bf9dd8, undo_rec=0x55f6c2c0b0f8 "", thr=0x55f6c2bf9d38, updated_extern=0x7fca51ffca32) at /data/src/10.6/storage/innobase/row/row0purge.cc:1028
      #10 0x000055f6c063f86b in row_purge (node=0x55f6c2bf9dd8, undo_rec=0x55f6c2c0b0f8 "", thr=0x55f6c2bf9d38) at /data/src/10.6/storage/innobase/row/row0purge.cc:1206
      #11 0x000055f6c063fa26 in row_purge_step (thr=0x55f6c2bf9d38) at /data/src/10.6/storage/innobase/row/row0purge.cc:1258
      #12 0x000055f6c05b1a16 in que_thr_step (thr=0x55f6c2bf9d38) at /data/src/10.6/storage/innobase/que/que0que.cc:653
      #13 0x000055f6c05b1c8b in que_run_threads_low (thr=0x55f6c2bf9d38) at /data/src/10.6/storage/innobase/que/que0que.cc:709
      #14 0x000055f6c05b1da3 in que_run_threads (thr=0x55f6c2bf9d38) at /data/src/10.6/storage/innobase/que/que0que.cc:729
      #15 0x000055f6c069ab15 in trx_purge (n_tasks=2, truncate=false) at /data/src/10.6/storage/innobase/trx/trx0purge.cc:1276
      #16 0x000055f6c0684945 in purge_coordinator_state::do_purge (this=0x55f6c1e99c40 <purge_state>) at /data/src/10.6/storage/innobase/srv/srv0srv.cc:1809
      #17 0x000055f6c0683691 in purge_coordinator_callback () at /data/src/10.6/storage/innobase/srv/srv0srv.cc:1963
      #18 0x000055f6c086f59e in tpool::task_group::execute (this=0x55f6c1e99e60 <purge_coordinator_task_group>, t=0x55f6c1e99f00 <purge_coordinator_task>) at /data/src/10.6/tpool/task_group.cc:55
      #19 0x000055f6c086f8d8 in tpool::task::execute (this=0x55f6c1e99f00 <purge_coordinator_task>) at /data/src/10.6/tpool/task.cc:32
      #20 0x000055f6c08682bb in tpool::thread_pool_generic::worker_main (this=0x55f6c2879920, thread_var=0x55f6c28894c0) at /data/src/10.6/tpool/tpool_generic.cc:549
      #21 0x000055f6c086f3a6 in std::__invoke_impl<void, void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__f=@0x7fca3c000b78: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>, __t=@0x7fca3c000b70: 0x55f6c2879920) at /usr/include/c++/9/bits/invoke.h:73
      #22 0x000055f6c086f288 in std::__invoke<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__fn=@0x7fca3c000b78: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>) at /usr/include/c++/9/bits/invoke.h:95
      #23 0x000055f6c086f1a7 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fca3c000b68) at /usr/include/c++/9/thread:244
      #24 0x000055f6c086f142 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::operator() (this=0x7fca3c000b68) at /usr/include/c++/9/thread:251
      #25 0x000055f6c086f122 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> > >::_M_run (this=0x7fca3c000b60) at /usr/include/c++/9/thread:195
      #26 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #27 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #28 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 7 (Thread 0x7fca527fe700 (LWP 3457125)):
      #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fca527fdb90, clockid=<optimized out>, expected=0, futex_word=0x55f6c288956c) at ../sysdeps/nptl/futex-internal.h:320
      #1  __pthread_cond_wait_common (abstime=0x7fca527fdb90, clockid=<optimized out>, mutex=0x55f6c2879a30, cond=0x55f6c2889540) at pthread_cond_wait.c:520
      #2  __pthread_cond_timedwait (cond=0x55f6c2889540, mutex=0x55f6c2879a30, abstime=0x7fca527fdb90) at pthread_cond_wait.c:656
      #3  0x000055f6c0869655 in __gthread_cond_timedwait (__cond=0x55f6c2889540, __mutex=0x55f6c2879a30, __abs_timeout=0x7fca527fdb90) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872
      #4  0x000055f6c086c495 in std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c2889540, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:188
      #5  0x000055f6c086b569 in std::condition_variable::wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=0x55f6c2889540, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:121
      #6  0x000055f6c086a822 in std::condition_variable::wait_for<long, std::ratio<1l, 1000l> > (this=0x55f6c2889540, __lock=..., __rtime=...) at /usr/include/c++/9/condition_variable:152
      #7  0x000055f6c0867ddd in tpool::thread_pool_generic::wait_for_tasks (this=0x55f6c2879920, lk=..., thread_data=0x55f6c2889540) at /data/src/10.6/tpool/tpool_generic.cc:449
      #8  0x000055f6c0867fed in tpool::thread_pool_generic::get_task (this=0x55f6c2879920, thread_var=0x55f6c2889540, t=0x7fca527fdcf8) at /data/src/10.6/tpool/tpool_generic.cc:502
      #9  0x000055f6c0868287 in tpool::thread_pool_generic::worker_main (this=0x55f6c2879920, thread_var=0x55f6c2889540) at /data/src/10.6/tpool/tpool_generic.cc:547
      #10 0x000055f6c086f3a6 in std::__invoke_impl<void, void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__f=@0x7fca70002248: (void (tpool::thread_pool_generic::*)(tpool::thread_pool_generic * const, tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>, __t=@0x7fca70002240: 0x55f6c2879920) at /usr/include/c++/9/bits/invoke.h:73
      #11 0x000055f6c086f288 in std::__invoke<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__fn=@0x7fca70002248: (void (tpool::thread_pool_generic::*)(tpool::thread_pool_generic * const, tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>) at /usr/include/c++/9/bits/invoke.h:95
      #12 0x000055f6c086f1a7 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fca70002238) at /usr/include/c++/9/thread:244
      #13 0x000055f6c086f142 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::operator() (this=0x7fca70002238) at /usr/include/c++/9/thread:251
      #14 0x000055f6c086f122 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> > >::_M_run (this=0x7fca70002230) at /usr/include/c++/9/thread:195
      #15 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #16 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #17 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 6 (Thread 0x7fca52fff700 (LWP 3457124)):
      #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
      #1  0x000055f6c06909e7 in srw_mutex_impl<false>::wait (this=0x55f6c1408188 <dict_sys+72>, lk=2147483653) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:281
      #2  0x000055f6c068fa2c in srw_mutex_impl<false>::wait_and_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/sync/srw_lock.cc:391
      #3  0x000055f6c0483e51 in srw_mutex_impl<false>::wr_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:80
      #4  0x000055f6c048056e in ssux_lock_impl<false>::wr_lock (this=0x55f6c1408188 <dict_sys+72>) at /data/src/10.6/storage/innobase/include/srw_lock.h:228
      #5  0x000055f6c05623c0 in srw_lock_impl<false>::wr_lock (this=0x55f6c1408180 <dict_sys+64>, file=0x55f6c0e138e0 "/data/src/10.6/storage/innobase/dict/dict0dict.cc", line=1299) at /data/src/10.6/storage/innobase/include/srw_lock.h:469
      #6  0x000055f6c078bc81 in dict_sys_t::lock_wait (this=0x55f6c1408140 <dict_sys>, file=0x55f6c0e138e0 "/data/src/10.6/storage/innobase/dict/dict0dict.cc", line=1299) at /data/src/10.6/storage/innobase/dict/dict0dict.cc:980
      #7  0x000055f6c047a66d in dict_sys_t::lock (this=0x55f6c1408140 <dict_sys>, file=0x55f6c0e138e0 "/data/src/10.6/storage/innobase/dict/dict0dict.cc", line=1299) at /data/src/10.6/storage/innobase/include/dict0dict.h:1571
      #8  0x000055f6c078d28b in dict_sys_t::evict_table_LRU (this=0x55f6c1408140 <dict_sys>, half=false) at /data/src/10.6/storage/innobase/dict/dict0dict.cc:1299
      #9  0x000055f6c068285e in srv_master_do_idle_tasks (counter_time=1812306884636) at /data/src/10.6/storage/innobase/srv/srv0srv.cc:1600
      #10 0x000055f6c0682c79 in srv_master_callback () at /data/src/10.6/storage/innobase/srv/srv0srv.cc:1658
      #11 0x000055f6c0869b12 in tpool::thread_pool_generic::timer_generic::run (this=0x55f6c2c2a620) at /data/src/10.6/tpool/tpool_generic.cc:313
      #12 0x000055f6c0869c30 in tpool::thread_pool_generic::timer_generic::execute (arg=0x55f6c2c2a620) at /data/src/10.6/tpool/tpool_generic.cc:332
      #13 0x000055f6c086f8ef in tpool::task::execute (this=0x55f6c2c2a660) at /data/src/10.6/tpool/task.cc:37
      #14 0x000055f6c08682bb in tpool::thread_pool_generic::worker_main (this=0x55f6c2879920, thread_var=0x55f6c28895c0) at /data/src/10.6/tpool/tpool_generic.cc:549
      #15 0x000055f6c086f3a6 in std::__invoke_impl<void, void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__f=@0x55f6c2c23088: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>, __t=@0x55f6c2c23080: 0x55f6c2879920) at /usr/include/c++/9/bits/invoke.h:73
      #16 0x000055f6c086f288 in std::__invoke<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> (__fn=@0x55f6c2c23088: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55f6c0868222 <tpool::thread_pool_generic::worker_main(tpool::worker_data*)>) at /usr/include/c++/9/bits/invoke.h:95
      #17 0x000055f6c086f1a7 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x55f6c2c23078) at /usr/include/c++/9/thread:244
      #18 0x000055f6c086f142 in std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> >::operator() (this=0x55f6c2c23078) at /usr/include/c++/9/thread:251
      #19 0x000055f6c086f122 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (tpool::thread_pool_generic::*)(tpool::worker_data*), tpool::thread_pool_generic*, tpool::worker_data*> > >::_M_run (this=0x55f6c2c23070) at /usr/include/c++/9/thread:195
      #20 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #21 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #22 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 5 (Thread 0x7fca60d54700 (LWP 3457123)):
      #0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f6c1406f28 <buf_pool+17576>) at ../sysdeps/nptl/futex-internal.h:183
      #1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f6c1406e28 <buf_pool+17320>, cond=0x55f6c1406f00 <buf_pool+17536>) at pthread_cond_wait.c:508
      #2  __pthread_cond_wait (cond=0x55f6c1406f00 <buf_pool+17536>, mutex=0x55f6c1406e28 <buf_pool+17320>) at pthread_cond_wait.c:638
      #3  0x000055f6c0913ed4 in safe_cond_wait (cond=0x55f6c1406f00 <buf_pool+17536>, mp=0x55f6c1406e00 <buf_pool+17280>, file=0x55f6c0e033a0 "/data/src/10.6/storage/innobase/buf/buf0flu.cc", line=2203) at /data/src/10.6/mysys/thr_mutex.c:492
      #4  0x000055f6c0767f5e in buf_flush_page_cleaner () at /data/src/10.6/storage/innobase/buf/buf0flu.cc:2203
      #5  0x000055f6c076b541 in std::__invoke_impl<void, void (*)()> (__f=@0x55f6c2ab4be8: 0x55f6c0767c0d <buf_flush_page_cleaner()>) at /usr/include/c++/9/bits/invoke.h:60
      #6  0x000055f6c076b4ed in std::__invoke<void (*)()> (__fn=@0x55f6c2ab4be8: 0x55f6c0767c0d <buf_flush_page_cleaner()>) at /usr/include/c++/9/bits/invoke.h:95
      #7  0x000055f6c076b48e in std::thread::_Invoker<std::tuple<void (*)()> >::_M_invoke<0ul> (this=0x55f6c2ab4be8) at /usr/include/c++/9/thread:244
      #8  0x000055f6c076b460 in std::thread::_Invoker<std::tuple<void (*)()> >::operator() (this=0x55f6c2ab4be8) at /usr/include/c++/9/thread:251
      #9  0x000055f6c076b440 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (*)()> > >::_M_run (this=0x55f6c2ab4be0) at /usr/include/c++/9/thread:195
      #10 0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #11 0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #12 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 4 (Thread 0x7fca74a12700 (LWP 3457122)):
      #0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
      #1  0x000055f6c086fe2c in my_getevents (ctx=0x7fca74a13000, min_nr=1, nr=256, ev=0x7fca74a0fd20) at /data/src/10.6/tpool/aio_linux.cc:62
      #2  0x000055f6c086fff7 in tpool::aio_linux::getevent_thread_routine (aio=0x55f6c28798f0) at /data/src/10.6/tpool/aio_linux.cc:104
      #3  0x000055f6c0870ade in std::__invoke_impl<void, void (*)(tpool::aio_linux*), tpool::aio_linux*> (__f=@0x55f6c27ae680: 0x55f6c086ff9b <tpool::aio_linux::getevent_thread_routine(tpool::aio_linux*)>) at /usr/include/c++/9/bits/invoke.h:60
      #4  0x000055f6c0870a3e in std::__invoke<void (*)(tpool::aio_linux*), tpool::aio_linux*> (__fn=@0x55f6c27ae680: 0x55f6c086ff9b <tpool::aio_linux::getevent_thread_routine(tpool::aio_linux*)>) at /usr/include/c++/9/bits/invoke.h:95
      #5  0x000055f6c087099d in std::thread::_Invoker<std::tuple<void (*)(tpool::aio_linux*), tpool::aio_linux*> >::_M_invoke<0ul, 1ul> (this=0x55f6c27ae678) at /usr/include/c++/9/thread:244
      #6  0x000055f6c0870954 in std::thread::_Invoker<std::tuple<void (*)(tpool::aio_linux*), tpool::aio_linux*> >::operator() (this=0x55f6c27ae678) at /usr/include/c++/9/thread:251
      #7  0x000055f6c0870934 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (*)(tpool::aio_linux*), tpool::aio_linux*> > >::_M_run (this=0x55f6c27ae670) at /usr/include/c++/9/thread:195
      #8  0x00007fca77cf2de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
      #9  0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #10 0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 3 (Thread 0x7fca75635700 (LWP 3457121)):
      #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fca75634d70, clockid=<optimized out>, expected=0, futex_word=0x55f6c1e04d48 <COND_checkpoint+40>) at ../sysdeps/nptl/futex-internal.h:320
      #1  __pthread_cond_wait_common (abstime=0x7fca75634d70, clockid=<optimized out>, mutex=0x55f6c1e04c88 <LOCK_checkpoint+40>, cond=0x55f6c1e04d20 <COND_checkpoint>) at pthread_cond_wait.c:520
      #2  __pthread_cond_timedwait (cond=0x55f6c1e04d20 <COND_checkpoint>, mutex=0x55f6c1e04c88 <LOCK_checkpoint+40>, abstime=0x7fca75634d70) at pthread_cond_wait.c:656
      #3  0x000055f6c0914296 in safe_cond_timedwait (cond=0x55f6c1e04d20 <COND_checkpoint>, mp=0x55f6c1e04c60 <LOCK_checkpoint>, abstime=0x7fca75634d70, file=0x55f6c0c7eb70 "/data/src/10.6/include/mysql/psi/mysql_thread.h", line=1088) at /data/src/10.6/mysys/thr_mutex.c:546
      #4  0x000055f6c02bac3f in inline_mysql_cond_timedwait (that=0x55f6c1e04d20 <COND_checkpoint>, mutex=0x55f6c1e04c60 <LOCK_checkpoint>, abstime=0x7fca75634d70, src_file=0x55f6c0c7eba0 "/data/src/10.6/storage/maria/ma_servicethread.c", src_line=115) at /data/src/10.6/include/mysql/psi/mysql_thread.h:1088
      #5  0x000055f6c02bb132 in my_service_thread_sleep (control=0x55f6c13ec940 <checkpoint_control>, sleep_time=30000000000) at /data/src/10.6/storage/maria/ma_servicethread.c:115
      #6  0x000055f6c02aed8d in ma_checkpoint_background (arg=0x1e) at /data/src/10.6/storage/maria/ma_checkpoint.c:725
      #7  0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #8  0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 2 (Thread 0x7fca78404700 (LWP 3457120)):
      #0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fca78403e20, clockid=<optimized out>, expected=0, futex_word=0x55f6c1eaa10c <COND_timer+44>) at ../sysdeps/nptl/futex-internal.h:320
      #1  __pthread_cond_wait_common (abstime=0x7fca78403e20, clockid=<optimized out>, mutex=0x55f6c1eaa048 <LOCK_timer+40>, cond=0x55f6c1eaa0e0 <COND_timer>) at pthread_cond_wait.c:520
      #2  __pthread_cond_timedwait (cond=0x55f6c1eaa0e0 <COND_timer>, mutex=0x55f6c1eaa048 <LOCK_timer+40>, abstime=0x7fca78403e20) at pthread_cond_wait.c:656
      #3  0x000055f6c0914296 in safe_cond_timedwait (cond=0x55f6c1eaa0e0 <COND_timer>, mp=0x55f6c1eaa020 <LOCK_timer>, abstime=0x7fca78403e20, file=0x55f6c0e6e5a0 "/data/src/10.6/include/mysql/psi/mysql_thread.h", line=1088) at /data/src/10.6/mysys/thr_mutex.c:546
      #4  0x000055f6c091527e in inline_mysql_cond_timedwait (that=0x55f6c1eaa0e0 <COND_timer>, mutex=0x55f6c1eaa020 <LOCK_timer>, abstime=0x7fca78403e20, src_file=0x55f6c0e6e5d0 "/data/src/10.6/mysys/thr_timer.c", src_line=321) at /data/src/10.6/include/mysql/psi/mysql_thread.h:1088
      #5  0x000055f6c0915f23 in timer_handler (arg=0x0) at /data/src/10.6/mysys/thr_timer.c:321
      #6  0x00007fca77e0d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #7  0x00007fca779e0293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
       
      Thread 1 (Thread 0x7fca7776f380 (LWP 3457118)):
      #0  0x00007fca779d3aff in __GI___poll (fds=0x55f6c2d15098, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
      #1  0x000055f6bfb34fb7 in handle_connections_sockets () at /data/src/10.6/sql/mysqld.cc:6112
      #2  0x000055f6bfb34596 in mysqld_main (argc=12, argv=0x55f6c276c698) at /data/src/10.6/sql/mysqld.cc:5817
      #3  0x000055f6bfb289dd in main (argc=11, argv=0x7fff35052528) at /data/src/10.6/sql/main.cc:34
      [Inferior 1 (process 3457118) detached]
      

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            Assignee:
            marko Marko Mäkelä
            Reporter:
            elenst Elena Stepanova
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              Updated:

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