[New LWP 1852620] [New LWP 1852610] [New LWP 1852611] [New LWP 1852616] [New LWP 1852613] [New LWP 1852612] [New LWP 1852609] [New LWP 1852617] [New LWP 1852603] [New LWP 1852608] [New LWP 1852615] [New LWP 1852614] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `sql/mysqld --datadir=/home/buildbot/maria-slave/10.8/data --basedir=/home/build'. Program terminated with signal SIGSEGV, Segmentation fault. #0 __pthread_kill (threadid=, signo=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:56 [Current thread is 1 (Thread 0x7f7be4152700 (LWP 1852620))] Thread 12 (Thread 0x7f7bd0df8700 (LWP 1852614)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x7f7bd0df7b90, clockid=, expected=0, futex_word=0x55c53ad52188) at ../sysdeps/nptl/futex-internal.h:320 __ret = -516 clockbit = op = __ret = oldtype = 0 err = oldtype = err = __ret = clockbit = op = __ret = resultvar = __arg6 = __arg5 = __arg4 = __arg3 = __arg2 = __arg1 = _a6 = _a5 = _a4 = _a3 = _a2 = _a1 = #1 __pthread_cond_wait_common (abstime=0x7f7bd0df7b90, clockid=, mutex=0x55c53ad426d0, cond=0x55c53ad52160) at pthread_cond_wait.c:520 spin = 0 buffer = {__routine = 0x7f7bfad4a050 <__condvar_cleanup_waiting>, __arg = 0x7f7bd0df7ab0, __canceltype = -790660296, __prev = 0x0} cbuffer = {wseq = 28, cond = 0x55c53ad52160, mutex = 0x55c53ad426d0, private = 0} err = g = 0 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 28 seq = 14 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x55c53ad52160, mutex=0x55c53ad426d0, abstime=0x7f7bd0df7b90) at pthread_cond_wait.c:656 flags = clockid = #3 0x000055c5393c3e8f in __gthread_cond_timedwait (__cond=0x55c53ad52160, __mutex=0x55c53ad426d0, __abs_timeout=0x7f7bd0df7b90) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872 No locals. #4 0x000055c5393c6ccf in std::condition_variable::__wait_until_impl > > (this=0x55c53ad52160, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:188 __s = {__d = {__r = 1645305803}} __ns = {__r = 220556641} __ts = {tv_sec = 1645305803, tv_nsec = 220556641} #5 0x000055c5393c5da3 in std::condition_variable::wait_until > > (this=0x55c53ad52160, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:121 __c_entry = {__d = {__r = 19551130696886358}} __s_entry = {__d = {__r = 1645305743220557036}} __delta = {__r = 59999999605} __s_atime = {__d = {__r = 1645305803220556641}} #6 0x000055c5393c505c in std::condition_variable::wait_for > (this=0x55c53ad52160, __lock=..., __rtime=...) at /usr/include/c++/9/condition_variable:152 __reltime = {__r = 60000000000} #7 0x000055c5393c2617 in tpool::thread_pool_generic::wait_for_tasks (this=0x55c53ad425c0, lk=..., thread_data=0x55c53ad52160) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:449 __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*)" #8 0x000055c5393c2827 in tpool::thread_pool_generic::get_task (this=0x55c53ad425c0, thread_var=0x55c53ad52160, t=0x7f7bd0df7cf8) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:502 lk = {_M_device = 0x55c53ad426d0, _M_owns = true} __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**)" #9 0x000055c5393c2ac1 in tpool::thread_pool_generic::worker_main (this=0x55c53ad425c0, thread_var=0x55c53ad52160) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:547 task = 0x55c53aa4d520 #10 0x000055c5393c9be0 in std::__invoke_impl (__f=@0x7f7bcc000e98: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55c5393c2a5c , __t=@0x7f7bcc000e90: 0x55c53ad425c0) at /usr/include/c++/9/bits/invoke.h:73 No locals. #11 0x000055c5393c9ac2 in std::__invoke (__fn=@0x7f7bcc000e98: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55c5393c2a5c ) at /usr/include/c++/9/bits/invoke.h:95 No locals. #12 0x000055c5393c99e1 in std::thread::_Invoker >::_M_invoke<0ul, 1ul, 2ul> (this=0x7f7bcc000e88) at /usr/include/c++/9/thread:244 No locals. #13 0x000055c5393c997c in std::thread::_Invoker >::operator() (this=0x7f7bcc000e88) at /usr/include/c++/9/thread:251 No locals. #14 0x000055c5393c995c in std::thread::_State_impl > >::_M_run (this=0x7f7bcc000e80) at /usr/include/c++/9/thread:195 No locals. #15 0x00007f7bfac28de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #16 0x00007f7bfad43609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140169762014976, -5556877615448263599, 140170105260830, 140170105260831, 140170105260832, 140169762012928, 5482465138107937873, 5482557400768640081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 #17 0x00007f7bfa916293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 11 (Thread 0x7f7bc3fff700 (LWP 1852615)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x7f7bc3ffeb90, clockid=, expected=0, futex_word=0x55c53ad52108) at ../sysdeps/nptl/futex-internal.h:320 __ret = -516 clockbit = op = __ret = oldtype = 0 err = oldtype = err = __ret = clockbit = op = __ret = resultvar = __arg6 = __arg5 = __arg4 = __arg3 = __arg2 = __arg1 = _a6 = _a5 = _a4 = _a3 = _a2 = _a1 = #1 __pthread_cond_wait_common (abstime=0x7f7bc3ffeb90, clockid=, mutex=0x55c53ad426d0, cond=0x55c53ad520e0) at pthread_cond_wait.c:520 spin = 0 buffer = {__routine = 0x7f7bfad4a050 <__condvar_cleanup_waiting>, __arg = 0x7f7bc3ffeab0, __canceltype = -1006638280, __prev = 0x0} cbuffer = {wseq = 16, cond = 0x55c53ad520e0, mutex = 0x55c53ad426d0, private = 0} err = g = 0 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 16 seq = 8 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x55c53ad520e0, mutex=0x55c53ad426d0, abstime=0x7f7bc3ffeb90) at pthread_cond_wait.c:656 flags = clockid = #3 0x000055c5393c3e8f in __gthread_cond_timedwait (__cond=0x55c53ad520e0, __mutex=0x55c53ad426d0, __abs_timeout=0x7f7bc3ffeb90) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872 No locals. #4 0x000055c5393c6ccf in std::condition_variable::__wait_until_impl > > (this=0x55c53ad520e0, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:188 __s = {__d = {__r = 1645305809}} __ns = {__r = 221584200} __ts = {tv_sec = 1645305809, tv_nsec = 221584200} #5 0x000055c5393c5da3 in std::condition_variable::wait_until > > (this=0x55c53ad520e0, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:121 __c_entry = {__d = {__r = 19551136697914094}} __s_entry = {__d = {__r = 1645305749221584720}} __delta = {__r = 59999999480} __s_atime = {__d = {__r = 1645305809221584200}} #6 0x000055c5393c505c in std::condition_variable::wait_for > (this=0x55c53ad520e0, __lock=..., __rtime=...) at /usr/include/c++/9/condition_variable:152 __reltime = {__r = 60000000000} #7 0x000055c5393c2617 in tpool::thread_pool_generic::wait_for_tasks (this=0x55c53ad425c0, lk=..., thread_data=0x55c53ad520e0) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:449 __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*)" #8 0x000055c5393c2827 in tpool::thread_pool_generic::get_task (this=0x55c53ad425c0, thread_var=0x55c53ad520e0, t=0x7f7bc3ffecf8) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:502 lk = {_M_device = 0x55c53ad426d0, _M_owns = true} __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**)" #9 0x000055c5393c2ac1 in tpool::thread_pool_generic::worker_main (this=0x55c53ad425c0, thread_var=0x55c53ad520e0) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:547 task = 0x55c53aa4d520 #10 0x000055c5393c9be0 in std::__invoke_impl (__f=@0x55c53b023cf8: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55c5393c2a5c , __t=@0x55c53b023cf0: 0x55c53ad425c0) at /usr/include/c++/9/bits/invoke.h:73 No locals. #11 0x000055c5393c9ac2 in std::__invoke (__fn=@0x55c53b023cf8: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55c5393c2a5c ) at /usr/include/c++/9/bits/invoke.h:95 No locals. #12 0x000055c5393c99e1 in std::thread::_Invoker >::_M_invoke<0ul, 1ul, 2ul> (this=0x55c53b023ce8) at /usr/include/c++/9/thread:244 No locals. #13 0x000055c5393c997c in std::thread::_Invoker >::operator() (this=0x55c53b023ce8) at /usr/include/c++/9/thread:251 No locals. #14 0x000055c5393c995c in std::thread::_State_impl > >::_M_run (this=0x55c53b023ce0) at /usr/include/c++/9/thread:195 No locals. #15 0x00007f7bfac28de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #16 0x00007f7bfad43609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140169546036992, -5556877615448263599, 140169778796910, 140169778796911, 140169778796912, 140169546034944, 5482436279685805137, 5482557400768640081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 #17 0x00007f7bfa916293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 10 (Thread 0x7f7bfa4dc700 (LWP 1852608)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x7f7bfa4dbe20, clockid=, expected=0, futex_word=0x55c53aa5dc2c ) at ../sysdeps/nptl/futex-internal.h:320 __ret = -516 clockbit = op = __ret = oldtype = 0 err = oldtype = err = __ret = clockbit = op = __ret = resultvar = __arg6 = __arg5 = __arg4 = __arg3 = __arg2 = __arg1 = _a6 = _a5 = _a4 = _a3 = _a2 = _a1 = #1 __pthread_cond_wait_common (abstime=0x7f7bfa4dbe20, clockid=, mutex=0x55c53aa5db68 , cond=0x55c53aa5dc00 ) at pthread_cond_wait.c:520 spin = 0 buffer = {__routine = 0x7f7bfad4a050 <__condvar_cleanup_waiting>, __arg = 0x7f7bfa4dbc20, __canceltype = -95568848, __prev = 0x0} cbuffer = {wseq = 57, cond = 0x55c53aa5dc00 , mutex = 0x55c53aa5db68 , private = 0} err = g = 1 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 57 seq = 28 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x55c53aa5dc00 , mutex=0x55c53aa5db68 , abstime=0x7f7bfa4dbe20) at pthread_cond_wait.c:656 flags = clockid = #3 0x000055c53946eeb9 in safe_cond_timedwait (cond=0x55c53aa5dc00 , mp=0x55c53aa5db40 , abstime=0x7f7bfa4dbe20, file=0x55c5399f6ff0 "/home/buildbot/maria-slave/10.8/include/mysql/psi/mysql_thread.h", line=1088) at /home/buildbot/maria-slave/10.8/mysys/thr_mutex.c:548 error = 32635 save_state = {global = {__data = {__lock = 1, __count = 0, __owner = 1852608, __nusers = 1, __kind = 2, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\300D\034\000\001\000\000\000\002", '\000' , __align = 1}, mutex = {__data = {__lock = 2, __count = 0, __owner = 1852608, __nusers = 1, __kind = 3, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\002\000\000\000\000\000\000\000\300D\034\000\001\000\000\000\003", '\000' , __align = 2}, file = 0x55c5399f6ff0 "/home/buildbot/maria-slave/10.8/include/mysql/psi/mysql_thread.h", name = 0x55c5399f707a "LOCK_timer", line = 1088, count = 0, create_flags = 0, active_flags = 0, id = 9, thread = 140170457106176, locked_mutex = 0x7f7bf4000ff8, used_mutex = 0x7f7bf4001078, prev = 0x0, next = 0x0} #4 0x000055c53946fea1 in inline_mysql_cond_timedwait (that=0x55c53aa5dc00 , mutex=0x55c53aa5db40 , abstime=0x7f7bfa4dbe20, src_file=0x55c5399f7038 "/home/buildbot/maria-slave/10.8/mysys/thr_timer.c", src_line=321) at /home/buildbot/maria-slave/10.8/include/mysql/psi/mysql_thread.h:1088 No locals. #5 0x000055c539470b46 in timer_handler (arg=0x0) at /home/buildbot/maria-slave/10.8/mysys/thr_timer.c:321 error = 110 top_time = 0x55c53ad427d0 now = {tv_sec = 1645305749, tv_nsec = 238971000} abstime = {tv_sec = 1645305749, tv_nsec = 638980000} #6 0x00007f7bfad43609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140170457106176, -5556877615448263599, 140729392565646, 140729392565647, 140729392565984, 140170457104128, 5482558444124959825, 5482557400768640081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 #7 0x00007f7bfa916293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 9 (Thread 0x7f7bfa657800 (LWP 1852603)): #0 0x00007f7bfa909aff in __GI___poll (fds=0x55c53b30e368, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 resultvar = 18446744073709551100 sc_cancel_oldtype = 0 sc_ret = #1 0x000055c538664309 in handle_connections_sockets () at /home/buildbot/maria-slave/10.8/sql/mysqld.cc:6164 sock = {fd = 22, is_unix_domain_socket = 1 '\001', is_extra_port = 0 '\000', address_family = 0, m_psi = 0x0} error_count = 0 cAddr = {ss_family = 1, __ss_padding = "t\035\376\177\000\000 \340\027:\305U\000\000P.t\035\376\177\000\000\a\350F9\305U\000\000\000\000\000\000\000\000\000\000 \340\027:\343\026\000\000\260DU9\305U\000\000 \340\027:\305U\000\000`.t\035\376\177\000\000`\033U9\000\000\000\000\220.t\035\376\177\000\000`\033U9\305U\000\000\220.t\035\376\177\000\000\243{e8\305U\000\000\260DU9\305U\000", __ss_align = 5861} retval = 1 fds = {array = {buffer = 0x55c53b30e368 "\024", elements = 3, max_element = 16, alloc_increment = 16, size_of_element = 8, m_psi_key = 0, malloc_flags = 0}} _db_stack_frame_ = {func = 0x55c5399fbd71 "?func", file = 0x55c5399fbd77 "?file", level = 2147483649, line = -1, prev = 0x0} #2 0x000055c5386638e8 in mysqld_main (argc=7, argv=0x55c53ac37688) at /home/buildbot/maria-slave/10.8/sql/mysqld.cc:5869 please_close_stdin = true ho_error = 0 new_thread_stack_size = 299008 user = 0x1a7 #3 0x000055c53865792d in main (argc=5, argv=0x7ffe1d743088) at /home/buildbot/maria-slave/10.8/sql/main.cc:34 No locals. Thread 8 (Thread 0x7f7bf807f700 (LWP 1852617)): #0 futex_wait_cancelable (private=, expected=0, futex_word=0x55c53a1842e8 ) at ../sysdeps/nptl/futex-internal.h:183 __ret = -512 oldtype = 0 err = oldtype = err = __ret = resultvar = __arg4 = __arg3 = __arg2 = __arg1 = _a4 = _a3 = _a2 = _a1 = #1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55c53a184228 , cond=0x55c53a1842c0 ) at pthread_cond_wait.c:508 spin = 0 buffer = {__routine = 0x7f7bfad4a050 <__condvar_cleanup_waiting>, __arg = 0x7f7bf807ebd0, __canceltype = 961886099, __prev = 0x0} cbuffer = {wseq = 0, cond = 0x55c53a1842c0 , mutex = 0x55c53a184228 , private = 0} err = g = 0 flags = g1_start = signals = result = 0 wseq = 0 seq = 0 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_wait (cond=0x55c53a1842c0 , mutex=0x55c53a184228 ) at pthread_cond_wait.c:638 No locals. #3 0x000055c53946eaf7 in safe_cond_wait (cond=0x55c53a1842c0 , mp=0x55c53a184200 , file=0x55c53959e9c0 "/home/buildbot/maria-slave/10.8/include/mysql/psi/mysql_thread.h", line=1072) at /home/buildbot/maria-slave/10.8/mysys/thr_mutex.c:494 error = 32635 save_state = {global = {__data = {__lock = 1, __count = 0, __owner = 1852617, __nusers = 1, __kind = 2, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\311D\034\000\001\000\000\000\002", '\000' , __align = 1}, mutex = {__data = {__lock = 1, __count = 0, __owner = 1852617, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\311D\034\000\001", '\000' , __align = 1}, file = 0x55c53959f040 "/home/buildbot/maria-slave/10.8/sql/sql_manager.cc", name = 0x55c53959f0cf "LOCK_manager", line = 117, count = 0, create_flags = 0, active_flags = 0, id = 266, thread = 140170418976512, locked_mutex = 0x55c53b351888, used_mutex = 0x55c53b351908, prev = 0x0, next = 0x0} #4 0x000055c5387e7d72 in inline_mysql_cond_wait (that=0x55c53a1842c0 , mutex=0x55c53a184200 , src_file=0x55c53959f040 "/home/buildbot/maria-slave/10.8/sql/sql_manager.cc", src_line=103) at /home/buildbot/maria-slave/10.8/include/mysql/psi/mysql_thread.h:1072 No locals. #5 0x000055c5387e8196 in handle_manager (arg=0x0) at /home/buildbot/maria-slave/10.8/sql/sql_manager.cc:103 cb = 0x0 error = 0 abstime = {tv_sec = 140729392573679, tv_nsec = 94305551982088} reset_flush_time = true _db_stack_frame_ = {func = 0x55c5399fbd71 "?func", file = 0x55c5399fbd77 "?file", level = 2147483649, line = -1, prev = 0x0} #6 0x000055c538ed4109 in pfs_spawn_thread (arg=0x55c53b30e018) at /home/buildbot/maria-slave/10.8/storage/perfschema/pfs.cc:2201 typed_arg = 0x55c53b30e018 user_arg = 0x0 user_start_routine = 0x55c5387e7fd1 pfs = 0x0 klass = 0x0 #7 0x00007f7bfad43609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140170418976512, -5556877615448263599, 140729392573678, 140729392573679, 94305571561440, 140170418974464, 5482553446393640017, 5482557400768640081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 #8 0x00007f7bfa916293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 7 (Thread 0x7f7be5d54700 (LWP 1852609)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x7f7be5d53d70, clockid=, expected=0, futex_word=0x55c53a9b8ee8 ) at ../sysdeps/nptl/futex-internal.h:320 __ret = -516 clockbit = op = __ret = oldtype = 0 err = oldtype = err = __ret = clockbit = op = __ret = resultvar = __arg6 = __arg5 = __arg4 = __arg3 = __arg2 = __arg1 = _a6 = _a5 = _a4 = _a3 = _a2 = _a1 = #1 __pthread_cond_wait_common (abstime=0x7f7be5d53d70, clockid=, mutex=0x55c53a9b8e28 , cond=0x55c53a9b8ec0 ) at pthread_cond_wait.c:520 spin = 0 buffer = {__routine = 0x7f7bfad4a050 <__condvar_cleanup_waiting>, __arg = 0x7f7be5d53b90, __canceltype = -536866656, __prev = 0x0} cbuffer = {wseq = 0, cond = 0x55c53a9b8ec0 , mutex = 0x55c53a9b8e28 , private = 0} err = g = 0 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 0 seq = 0 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x55c53a9b8ec0 , mutex=0x55c53a9b8e28 , abstime=0x7f7be5d53d70) at pthread_cond_wait.c:656 flags = clockid = #3 0x000055c53946eeb9 in safe_cond_timedwait (cond=0x55c53a9b8ec0 , mp=0x55c53a9b8e00 , abstime=0x7f7be5d53d70, file=0x55c5397fd6c0 "/home/buildbot/maria-slave/10.8/include/mysql/psi/mysql_thread.h", line=1088) at /home/buildbot/maria-slave/10.8/mysys/thr_mutex.c:548 error = 21957 save_state = {global = {__data = {__lock = 1, __count = 0, __owner = 1852609, __nusers = 1, __kind = 2, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\301D\034\000\001\000\000\000\002", '\000' , __align = 1}, mutex = {__data = {__lock = 1, __count = 0, __owner = 1852609, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\301D\034\000\001", '\000' , __align = 1}, file = 0x55c5397fd708 "/home/buildbot/maria-slave/10.8/storage/maria/ma_servicethread.c", name = 0x55c5397fd77f "control->LOCK_control", line = 99, count = 0, create_flags = 0, active_flags = 0, id = 16, thread = 140170113664768, locked_mutex = 0x7f7be0000ff8, used_mutex = 0x7f7be0001078, prev = 0x0, next = 0x0} #4 0x000055c538e22de2 in inline_mysql_cond_timedwait (that=0x55c53a9b8ec0 , mutex=0x55c53a9b8e00 , abstime=0x7f7be5d53d70, src_file=0x55c5397fd708 "/home/buildbot/maria-slave/10.8/storage/maria/ma_servicethread.c", src_line=115) at /home/buildbot/maria-slave/10.8/include/mysql/psi/mysql_thread.h:1088 No locals. #5 0x000055c538e232d5 in my_service_thread_sleep (control=0x55c539f9eda0 , sleep_time=29000000000) at /home/buildbot/maria-slave/10.8/storage/maria/ma_servicethread.c:115 abstime = {tv_sec = 1645305771, tv_nsec = 36564000} res = 0 '\000' _db_stack_frame_ = {func = 0x55c5399fbd71 "?func", file = 0x55c5399fbd77 "?file", level = 2147483649, line = -1, prev = 0x0} #6 0x000055c538e16f30 in ma_checkpoint_background (arg=0x1e) at /home/buildbot/maria-slave/10.8/storage/maria/ma_checkpoint.c:725 interval = 30 sleeps = 1 sleep_time = 29 log_horizon_at_last_checkpoint = 4295391008 pagecache_flushes_at_last_checkpoint = 0 pages_bunch_size = 0 filter_param = {up_to_lsn = 4295390964, max_pages = 0} dfile = 0x0 kfile = 0x0 __PRETTY_FUNCTION__ = "ma_checkpoint_background" #7 0x00007f7bfad43609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140170113664768, -5556877615448263599, 140729392563758, 140729392563759, 140729392563760, 140170113662720, 5482511229549474897, 5482557400768640081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 #8 0x00007f7bfa916293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 6 (Thread 0x7f7bd1dfa700 (LWP 1852612)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x7f7bd1df9b90, clockid=, expected=0, futex_word=0x55c53ad52288) at ../sysdeps/nptl/futex-internal.h:320 __ret = -516 clockbit = op = __ret = oldtype = 0 err = oldtype = err = __ret = clockbit = op = __ret = resultvar = __arg6 = __arg5 = __arg4 = __arg3 = __arg2 = __arg1 = _a6 = _a5 = _a4 = _a3 = _a2 = _a1 = #1 __pthread_cond_wait_common (abstime=0x7f7bd1df9b90, clockid=, mutex=0x55c53ad426d0, cond=0x55c53ad52260) at pthread_cond_wait.c:520 spin = 0 buffer = {__routine = 0x7f7bfad4a050 <__condvar_cleanup_waiting>, __arg = 0x7f7bd1df9ab0, __canceltype = -773874888, __prev = 0x0} cbuffer = {wseq = 24, cond = 0x55c53ad52260, mutex = 0x55c53ad426d0, private = 0} err = g = 0 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 24 seq = 12 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x55c53ad52260, mutex=0x55c53ad426d0, abstime=0x7f7bd1df9b90) at pthread_cond_wait.c:656 flags = clockid = #3 0x000055c5393c3e8f in __gthread_cond_timedwait (__cond=0x55c53ad52260, __mutex=0x55c53ad426d0, __abs_timeout=0x7f7bd1df9b90) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872 No locals. #4 0x000055c5393c6ccf in std::condition_variable::__wait_until_impl > > (this=0x55c53ad52260, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:188 __s = {__d = {__r = 1645305809}} __ns = {__r = 221692635} __ts = {tv_sec = 1645305809, tv_nsec = 221692635} #5 0x000055c5393c5da3 in std::condition_variable::wait_until > > (this=0x55c53ad52260, __lock=..., __atime=...) at /usr/include/c++/9/condition_variable:121 __c_entry = {__d = {__r = 19551136698022241}} __s_entry = {__d = {__r = 1645305749221692970}} __delta = {__r = 59999999665} __s_atime = {__d = {__r = 1645305809221692635}} #6 0x000055c5393c505c in std::condition_variable::wait_for > (this=0x55c53ad52260, __lock=..., __rtime=...) at /usr/include/c++/9/condition_variable:152 __reltime = {__r = 60000000000} #7 0x000055c5393c2617 in tpool::thread_pool_generic::wait_for_tasks (this=0x55c53ad425c0, lk=..., thread_data=0x55c53ad52260) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:449 __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*)" #8 0x000055c5393c2827 in tpool::thread_pool_generic::get_task (this=0x55c53ad425c0, thread_var=0x55c53ad52260, t=0x7f7bd1df9cf8) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:502 lk = {_M_device = 0x55c53ad426d0, _M_owns = true} __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**)" #9 0x000055c5393c2ac1 in tpool::thread_pool_generic::worker_main (this=0x55c53ad425c0, thread_var=0x55c53ad52260) at /home/buildbot/maria-slave/10.8/tpool/tpool_generic.cc:547 task = 0x55c53aa4da20 #10 0x000055c5393c9be0 in std::__invoke_impl (__f=@0x7f7bcc000b78: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55c5393c2a5c , __t=@0x7f7bcc000b70: 0x55c53ad425c0) at /usr/include/c++/9/bits/invoke.h:73 No locals. #11 0x000055c5393c9ac2 in std::__invoke (__fn=@0x7f7bcc000b78: (void (tpool::thread_pool_generic::*)(class tpool::thread_pool_generic * const, struct tpool::worker_data *)) 0x55c5393c2a5c ) at /usr/include/c++/9/bits/invoke.h:95 No locals. #12 0x000055c5393c99e1 in std::thread::_Invoker >::_M_invoke<0ul, 1ul, 2ul> (this=0x7f7bcc000b68) at /usr/include/c++/9/thread:244 No locals. #13 0x000055c5393c997c in std::thread::_Invoker >::operator() (this=0x7f7bcc000b68) at /usr/include/c++/9/thread:251 No locals. #14 0x000055c5393c995c in std::thread::_State_impl > >::_M_run (this=0x7f7bcc000b60) at /usr/include/c++/9/thread:195 No locals. #15 0x00007f7bfac28de4 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #16 0x00007f7bfad43609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140169778800384, -5556877615448263599, 140170105260830, 140170105260831, 140170105260832, 140169778798336, 5482467338204935249, 5482557400768640081}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 #17 0x00007f7bfa916293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 5 (Thread 0x7f7bd15f9700 (LWP 1852613)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x7f7bd15f8b90, clockid=, expected=0, futex_word=0x55c53ad5220c) at ../sysdeps/nptl/futex-internal.h:320 __ret = -516 clockbit = op = __ret = oldtype = 0 err = oldtype = err = __ret = clockbit = op = __ret = resultvar = __arg6 = __arg5 = __arg4 = __arg3 = __arg2 = __arg1 = _a6 = _a5 = _a4 = _a3 = _a2 = _a1 = #1 __pthread_cond_wait_common (abstime=0x7f7bd15f8b90, clockid=, mutex=0x55c53ad426d0, cond=0x55c53ad521e0) at pthread_cond_wait.c:520 spin = 0 buffer = {__routine = 0x7f7bfad4a050 <__condvar_cleanup_waiting>, __arg = 0x7f7bd15f8ab0, __canceltype = -782267592, __prev = 0x0} cbuffer = {wseq = 7, cond = 0x55c53ad521e0, mutex = 0x55c53ad426d0, private = 0} err = g = 1 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 7 seq = 3 private = maxspin = err = result = wseq =