Thread 13 (Thread 0x1519acf50700 (LWP 3811641)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x1519acf4fd30, clockid=, expected=0, futex_word=0x558d44f1838c) 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=0x1519acf4fd30, clockid=, mutex=0x558d44f089d0, cond=0x558d44f18360) at pthread_cond_wait.c:520 spin = 0 buffer = { __routine = 0x1519c4a4f050 <__condvar_cleanup_waiting>, __arg = 0x1519acf4fcb0, __canceltype = -1393230656, __prev = 0x0 } cbuffer = { wseq = 9, cond = 0x558d44f18360, mutex = 0x558d44f089d0, private = 0 } err = g = 1 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 9 seq = 4 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x558d44f18360, mutex=0x558d44f089d0, abstime=0x1519acf4fd30) at pthread_cond_wait.c:656 flags = clockid = #3 0x0000558d430a2a98 in __gthread_cond_timedwait (__abs_timeout=0x1519acf4fd30, __mutex=, __cond=0x558d44f18360) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872 No locals. #4 std::condition_variable::__wait_until_impl > > (__atime=: , __lock=@0x1519acf4fd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18360) at /usr/include/c++/9/condition_variable:188 __s = __ns = __ts = { tv_sec = 1617228158, tv_nsec = 388617188 } __s = __ns = __ts = #5 std::condition_variable::wait_until > > (__atime=, __lock=@0x1519acf4fd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18360) at /usr/include/c++/9/condition_variable:121 __c_entry = __s_entry = __delta = __s_atime = __c_entry = __s_entry = __delta = __s_atime = #6 std::condition_variable::wait_for > (__rtime=@0x558d44f089f8: {__r = 60000}, __lock=@0x1519acf4fd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18360) at /usr/include/c++/9/condition_variable:152 __reltime = __reltime = #7 tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x558d44f088c0, lk=@0x1519acf4fd80: {_M_device = 0x558d44f089d0, _M_owns = true}, thread_data=thread_data@entry=0x558d44f18360) at /test/10.6_dbg/tpool/tpool_generic.cc:450 __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*)" #8 0x0000558d430a32d5 in tpool::thread_pool_generic::get_task (this=this@entry=0x558d44f088c0, thread_var=thread_var@entry=0x558d44f18360, t=t@entry=0x1519acf4fdd8) at /test/10.6_dbg/tpool/tpool_generic.cc:503 lk = { _M_device = 0x558d44f089d0, _M_owns = true } __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**)" #9 0x0000558d430a4adc in tpool::thread_pool_generic::worker_main (this=0x558d44f088c0, thread_var=0x558d44f18360) at /test/10.6_dbg/tpool/tpool_generic.cc:548 task = 0x558d452bf650 #10 0x0000558d430a4e26 in std::__invoke_impl (__t=, __f=) at /usr/include/c++/9/bits/invoke.h:89 No locals. #11 std::__invoke (__fn=) at /usr/include/c++/9/bits/invoke.h:95 No locals. #12 std::thread::_Invoker >::_M_invoke<0ul, 1ul, 2ul> (this=) at /usr/include/c++/9/thread:244 No locals. #13 std::thread::_Invoker >::operator() (this=) at /usr/include/c++/9/thread:251 No locals. #14 std::thread::_State_impl > >::_M_run (this=) at /usr/include/c++/9/thread:195 No locals. #15 0x00001519c492cd84 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #16 0x00001519c4a48609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = { cancel_jmp_buf = {{ jmp_buf = {23200020104960, -655239335319480053, 23200009595550, 23200009595551, 23200009595552, 23200020102912, -2532352702996063989, -2532265426842724085}, mask_was_saved = 0 }}, priv = { pad = {0x0, 0x0, 0x0, 0x0}, data = { prev = 0x0, cleanup = 0x0, canceltype = 0 } } } not_first_call = 0 #17 0x00001519c4637293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 12 (Thread 0x151996afd700 (LWP 3811640)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x151996afcd30, clockid=, expected=0, futex_word=0x558d44f1818c) 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=0x151996afcd30, clockid=, mutex=0x558d44f089d0, cond=0x558d44f18160) at pthread_cond_wait.c:520 spin = 0 buffer = { __routine = 0x1519c4a4f050 <__condvar_cleanup_waiting>, __arg = 0x151996afccb0, __canceltype = -1766863680, __prev = 0x0 } cbuffer = { wseq = 9, cond = 0x558d44f18160, mutex = 0x558d44f089d0, private = 0 } err = g = 1 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 9 seq = 4 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x558d44f18160, mutex=0x558d44f089d0, abstime=0x151996afcd30) at pthread_cond_wait.c:656 flags = clockid = #3 0x0000558d430a2a98 in __gthread_cond_timedwait (__abs_timeout=0x151996afcd30, __mutex=, __cond=0x558d44f18160) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872 No locals. #4 std::condition_variable::__wait_until_impl > > (__atime=: , __lock=@0x151996afcd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18160) at /usr/include/c++/9/condition_variable:188 __s = __ns = __ts = { tv_sec = 1617228157, tv_nsec = 512825880 } __s = __ns = __ts = #5 std::condition_variable::wait_until > > (__atime=, __lock=@0x151996afcd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18160) at /usr/include/c++/9/condition_variable:121 __c_entry = __s_entry = __delta = __s_atime = __c_entry = __s_entry = __delta = __s_atime = #6 std::condition_variable::wait_for > (__rtime=@0x558d44f089f8: {__r = 60000}, __lock=@0x151996afcd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18160) at /usr/include/c++/9/condition_variable:152 __reltime = __reltime = #7 tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x558d44f088c0, lk=@0x151996afcd80: {_M_device = 0x558d44f089d0, _M_owns = true}, thread_data=thread_data@entry=0x558d44f18160) at /test/10.6_dbg/tpool/tpool_generic.cc:450 __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*)" #8 0x0000558d430a32d5 in tpool::thread_pool_generic::get_task (this=this@entry=0x558d44f088c0, thread_var=thread_var@entry=0x558d44f18160, t=t@entry=0x151996afcdd8) at /test/10.6_dbg/tpool/tpool_generic.cc:503 lk = { _M_device = 0x558d44f089d0, _M_owns = true } __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**)" #9 0x0000558d430a4adc in tpool::thread_pool_generic::worker_main (this=0x558d44f088c0, thread_var=0x558d44f18160) at /test/10.6_dbg/tpool/tpool_generic.cc:548 task = 0x558d44450320 #10 0x0000558d430a4e26 in std::__invoke_impl (__t=, __f=) at /usr/include/c++/9/bits/invoke.h:89 No locals. #11 std::__invoke (__fn=) at /usr/include/c++/9/bits/invoke.h:95 No locals. #12 std::thread::_Invoker >::_M_invoke<0ul, 1ul, 2ul> (this=) at /usr/include/c++/9/thread:244 No locals. #13 std::thread::_Invoker >::operator() (this=) at /usr/include/c++/9/thread:251 No locals. #14 std::thread::_State_impl > >::_M_run (this=) at /usr/include/c++/9/thread:195 No locals. #15 0x00001519c492cd84 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #16 0x00001519c4a48609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = { cancel_jmp_buf = {{ jmp_buf = {23199646471936, -655239335319480053, 23200009595550, 23200009595551, 23200009595552, 23199646469888, -2532375302577104629, -2532265426842724085}, mask_was_saved = 0 }}, priv = { pad = {0x0, 0x0, 0x0, 0x0}, data = { prev = 0x0, cleanup = 0x0, canceltype = 0 } } } not_first_call = 0 #17 0x00001519c4637293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 11 (Thread 0x1519ad75b700 (LWP 2073532)): #0 0x00001519c455c322 in __GI___sigtimedwait (set=set@entry=0x1519ad75acc0, info=info@entry=0x1519ad75ad40, timeout=timeout@entry=0x0) at ../sysdeps/unix/sysv/linux/sigtimedwait.c:29 resultvar = 18446744073709551612 sc_cancel_oldtype = 0 sc_ret = result = #1 0x00001519c455c38b in __GI___sigwaitinfo (set=set@entry=0x1519ad75acc0, info=info@entry=0x1519ad75ad40) at ../sysdeps/unix/sysv/linux/sigwaitinfo.c:25 No locals. #2 0x0000558d424dd71b in my_sigwait (code=, sig=0x1519ad75ac98, set=0x1519ad75acc0) at /test/10.6_dbg/include/my_pthread.h:195 siginfo = { si_signo = -1384796784, si_errno = 5401, si_code = 1160607744, __pad0 = 21901, _sifields = { _pad = {488, 0, -1265169200, 32765, -1384796416, 5401, 1125258023, 21901, -1384796784, 5401, -269719040, -970995925, 488, 0, 1160607880, 21901, 488, 0, 488, 0, -1265169200, 32765, -1384796416, 5401, -1384796672, 5401, 1125196529, 21901}, _kill = { si_pid = 488, si_uid = 0 }, _timer = { si_tid = 488, si_overrun = 0, si_sigval = { sival_int = -1265169200, sival_ptr = 0x7ffdb4970cd0 } }, _rt = { si_pid = 488, si_uid = 0, si_sigval = { sival_int = -1265169200, sival_ptr = 0x7ffdb4970cd0 } }, _sigchld = { si_pid = 488, si_uid = 0, si_status = -1265169200, si_utime = 23200028536576, si_stime = 94065204007719 }, _sigfault = { si_addr = 0x1e8, si_addr_lsb = 3280, _bounds = { _addr_bnd = { _lower = 0x1519ad75af00, _upper = 0x558d43121327 }, _pkey = 2910170880 } }, _sigpoll = { si_band = 488, si_fd = -1265169200 }, _sigsys = { _call_addr = 0x1e8, _syscall = -1265169200, _arch = 32765 } } } siginfo = #3 signal_hand (arg=arg@entry=0x0) at /test/10.6_dbg/sql/mysqld.cc:2952 error = origin = set = { __val = {548869, 0 } } sig = 0 _db_stack_frame_ = { func = 0x558d4357032a "?func", file = 0x558d43570330 "?file", level = 2147483649, line = -1, prev = 0x0 } #4 0x0000558d42bf9ea5 in pfs_spawn_thread (arg=0x558d452d7888) at /test/10.6_dbg/storage/perfschema/pfs.cc:2201 typed_arg = 0x558d452d7888 user_arg = 0x0 user_start_routine = 0x558d424dd260 pfs = klass = #5 0x00001519c4a48609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = { cancel_jmp_buf = {{ jmp_buf = {23200028538624, -655239335319480053, 140727633251150, 140727633251151, 140727633251536, 23200028536576, -2532353809487013621, -2532265426842724085}, mask_was_saved = 0 }}, priv = { pad = {0x0, 0x0, 0x0, 0x0}, data = { prev = 0x0, cleanup = 0x0, canceltype = 0 } } } not_first_call = 0 #6 0x00001519c4637293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 10 (Thread 0x1519aff7f700 (LWP 2073113)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x1519aff7ed80, clockid=, expected=0, futex_word=0x558d443f53a8 ) 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=0x1519aff7ed80, clockid=, mutex=0x558d443f53e8 , cond=0x558d443f5380 ) at pthread_cond_wait.c:520 spin = 0 buffer = { __routine = 0x1519c4a4f050 <__condvar_cleanup_waiting>, __arg = 0x1519aff7ecb0, __canceltype = 1145664480, __prev = 0x0 } cbuffer = { wseq = 84, cond = 0x558d443f5380 , mutex = 0x558d443f53e8 , private = 0 } err = g = 0 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 84 seq = 42 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=cond@entry=0x558d443f5380 , mutex=mutex@entry=0x558d443f53e8 , abstime=abstime@entry=0x1519aff7ed80) at pthread_cond_wait.c:656 flags = clockid = #3 0x0000558d4311c43b in safe_cond_timedwait (cond=0x558d443f5380 , mp=0x558d443f53c0 , abstime=abstime@entry=0x1519aff7ed80, file=file@entry=0x558d4325a0d0 "/test/10.6_dbg/include/mysql/psi/mysql_thread.h", line=line@entry=1088) at /test/10.6_dbg/mysys/thr_mutex.c:546 error = save_state = #4 0x0000558d42b7780a in inline_mysql_cond_timedwait (src_line=115, src_file=0x558d4347ca70 "/test/10.6_dbg/storage/maria/ma_servicethread.c", abstime=0x1519aff7ed80, mutex=, that=) at /test/10.6_dbg/include/mysql/psi/mysql_thread.h:1088 No locals. #5 my_service_thread_sleep (control=control@entry=0x558d43b274a0 , sleep_time=sleep_time@entry=30000000000) at /test/10.6_dbg/storage/maria/ma_servicethread.c:115 abstime = { tv_sec = 1617228109, tv_nsec = 823629000 } res = 0 '\000' _db_stack_frame_ = { func = 0x558d4357032a "?func", file = 0x558d43570330 "?file", level = 2147483649, line = -1, prev = 0x0 } #6 0x0000558d42b6eb0d in ma_checkpoint_background (arg=0x1e) at /test/10.6_dbg/storage/maria/ma_checkpoint.c:707 interval = 30 sleeps = 1260 sleep_time = 30 log_horizon_at_last_checkpoint = 4295375090 pagecache_flushes_at_last_checkpoint = 0 pages_bunch_size = 0 filter_param = { up_to_lsn = 4295375046, max_pages = 0 } dfile = 0x0 kfile = 0x0 __PRETTY_FUNCTION__ = "ma_checkpoint_background" #7 0x00001519c4a48609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = { cancel_jmp_buf = {{ jmp_buf = {23200070629120, -655239335319480053, 140727633239870, 140727633239871, 140727633239872, 23200070627072, -2532359292012766965, -2532265426842724085}, mask_was_saved = 0 }}, priv = { pad = {0x0, 0x0, 0x0, 0x0}, data = { prev = 0x0, cleanup = 0x0, canceltype = 0 } } } not_first_call = 0 #8 0x00001519c4637293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 9 (Thread 0x1519ac74c700 (LWP 3811644)): #0 futex_abstimed_wait_cancelable (private=, abstime=0x1519ac74bd30, clockid=, expected=0, futex_word=0x558d44f18588) 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=0x1519ac74bd30, clockid=, mutex=0x558d44f089d0, cond=0x558d44f18560) at pthread_cond_wait.c:520 spin = 0 buffer = { __routine = 0x1519c4a4f050 <__condvar_cleanup_waiting>, __arg = 0x1519ac74bcb0, __canceltype = -1401635648, __prev = 0x0 } cbuffer = { wseq = 6, cond = 0x558d44f18560, mutex = 0x558d44f089d0, private = 0 } err = g = 0 flags = g1_start = maxspin = 0 signals = result = 0 wseq = 6 seq = 3 private = maxspin = err = result = wseq = g = seq = flags = private = signals = g1_start = spin = buffer = cbuffer = s = #2 __pthread_cond_timedwait (cond=0x558d44f18560, mutex=0x558d44f089d0, abstime=0x1519ac74bd30) at pthread_cond_wait.c:656 flags = clockid = #3 0x0000558d430a2a98 in __gthread_cond_timedwait (__abs_timeout=0x1519ac74bd30, __mutex=, __cond=0x558d44f18560) at /usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:872 No locals. #4 std::condition_variable::__wait_until_impl > > (__atime=: , __lock=@0x1519ac74bd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18560) at /usr/include/c++/9/condition_variable:188 __s = __ns = __ts = { tv_sec = 1617228157, tv_nsec = 512480853 } __s = __ns = __ts = #5 std::condition_variable::wait_until > > (__atime=, __lock=@0x1519ac74bd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18560) at /usr/include/c++/9/condition_variable:121 __c_entry = __s_entry = __delta = __s_atime = __c_entry = __s_entry = __delta = __s_atime = #6 std::condition_variable::wait_for > (__rtime=@0x558d44f089f8: {__r = 60000}, __lock=@0x1519ac74bd80: {_M_device = 0x558d44f089d0, _M_owns = true}, this=0x558d44f18560) at /usr/include/c++/9/condition_variable:152 __reltime = __reltime = #7 tpool::thread_pool_generic::wait_for_tasks (this=this@entry=0x558d44f088c0, lk=@0x1519ac74bd80: {_M_device = 0x558d44f089d0, _M_owns = true}, thread_data=thread_data@entry=0x558d44f18560) at /test/10.6_dbg/tpool/tpool_generic.cc:450 __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::wait_for_tasks(std::unique_lock&, tpool::worker_data*)" #8 0x0000558d430a32d5 in tpool::thread_pool_generic::get_task (this=this@entry=0x558d44f088c0, thread_var=thread_var@entry=0x558d44f18560, t=t@entry=0x1519ac74bdd8) at /test/10.6_dbg/tpool/tpool_generic.cc:503 lk = { _M_device = 0x558d44f089d0, _M_owns = true } __PRETTY_FUNCTION__ = "bool tpool::thread_pool_generic::get_task(tpool::worker_data*, tpool::task**)" #9 0x0000558d430a4adc in tpool::thread_pool_generic::worker_main (this=0x558d44f088c0, thread_var=0x558d44f18560) at /test/10.6_dbg/tpool/tpool_generic.cc:548 task = 0x558d44450320 #10 0x0000558d430a4e26 in std::__invoke_impl (__t=, __f=) at /usr/include/c++/9/bits/invoke.h:89 No locals. #11 std::__invoke (__fn=) at /usr/include/c++/9/bits/invoke.h:95 No locals. #12 std::thread::_Invoker >::_M_invoke<0ul, 1ul, 2ul> (this=) at /usr/include/c++/9/thread:244 No locals. #13 std::thread::_Invoker >::operator() (this=) at /usr/include/c++/9/thread:251 No locals. #14 std::thread::_State_impl > >::_M_run (this=) at /usr/include/c++/9/thread:195 No locals. #15 0x00001519c492cd84 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #16 0x00001519c4a48609 in start_thread (arg=) at pthread_create.c:477 ret = pd = unwind_buf = { cancel_jmp_buf = {{ jmp_buf = {23200011699968, -655239335319480053, 23200009595598, 23200009595599, 23200009595600, 23200011697920, -2532351601336952565, -2532265426842724085}, mask_was_saved = 0 }}, priv = { pad = {0x0, 0x0, 0x0, 0x0}, data = { prev = 0x0, cleanup = 0x0, canceltype = 0 } } } not_first_call = 0 #17 0x00001519c4637293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. Thread 8 (Thread 0x1519c437e800 (LWP 2072860)): #0 0x00001519c462aaff in __GI___poll (fds=0x558d452dbde8, nfds=3, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 resultvar = 18446744073709551100 sc_cancel_oldtype = 0 sc_ret = #1 0x0000558d424e716d in poll (__timeout=-1, __nfds=, __fds=) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46 No locals. #2 handle_connections_sockets () at /test/10.6_dbg/sql/mysqld.cc:5927 sock = { fd = 21, 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 = "\227\264\375\177\000\000FZ\021C\215U\000\000\200\v\227\264\375\177\000\000N,\023C\215U\000\000\000\000\000\000\000\000\000\000\206X\021C\215U\000\000\220\v\227\264\375\177\000\000FZ\021C\215U\000\000\260\v\227\264\375\177\000\000N,\023C\215U\000\000\020\f\227\264\375\177\000\000\276\315VC\215U\000\000\320\v\227\264\375\177\000\000\206X\021C\215U\000\000\320\v\227\264\375\177\000", __ss_align = 94065203960447 } retval = fds = { array = { buffer = 0x558d452dbde8 "\023", elements = 3, max_element = 16, alloc_increment = 16, size_of_element = 8, m_psi_key = 0, malloc_flags = 0 } } _db_stack_frame_ = { func = 0x558d4357032a "?func", file = 0x558d43570330 "?file", level = 2147483649, line = -1, prev = 0x0 } #3 0x0000558d424e8dc9 in mysqld_main (argc=, argv=) at /test/10.6_dbg/sql/mysqld.cc:5632 please_close_stdin = true ho_error = new_thread_stack_size = user = #4 0x0000558d424dab46 in main (argc=, argv=) at /test/10.6_dbg/sql/main.cc:25 No locals. Thread 7 (Thread 0x1519ac54b700 (LWP 2073467)): #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 No locals. #1 0x0000558d42eb2e84 in ssux_lock_low::writer_wait (l=3221225472, this=0x1519af97f188) at /test/10.6_dbg/storage/innobase/include/srw_lock.h:62 No locals. #2 ssux_lock_low::write_lock (this=this@entry=0x1519af97f188, holding_u=holding_u@entry=false) at /test/10.6_dbg/storage/innobase/sync/srw_lock.cc:233 l = 3221225472 e = 1073741824 __PRETTY_FUNCTION__ = "void ssux_lock_low::write_lock(bool)" #3 0x0000558d42d55e0f in ssux_lock_low::wr_lock (this=0x1519af97f188) at /test/10.6_dbg/storage/innobase/include/srw_lock.h:97 No locals. #4 trx_t::mutex_lock (this=0x1519af97f168) at /test/10.6_dbg/storage/innobase/include/trx0trx.h:668 __PRETTY_FUNCTION__ = #5 0x0000558d42d5614a in rw_trx_hash_t::validate_element (trx=0x1519af97f168) at /test/10.6_dbg/storage/innobase/include/trx0sys.h:520 __PRETTY_FUNCTION__ = "static void rw_trx_hash_t::validate_element(trx_t*)" #6 0x0000558d42dcb6e4 in rw_trx_hash_t::debug_iterator (element=0x558d452af8c8, arg=0x1519ac54abb0) at /test/10.6_dbg/include/mysql/psi/mysql_thread.h:750 No locals. #7 0x0000558d43120385 in l_find (head=0x558d4528a108, head@entry=0x558d452a4560, cs=cs@entry=0x0, hashnr=hashnr@entry=0, key=key@entry=0x1519ac54abb0 "~\275\334B\215U", keylen=keylen@entry=0, cursor=cursor@entry=0x1519ac54ab10, pins=, callback=) at /test/10.6_dbg/mysys/lf_hash.cc:130 cur_hashnr = 1642193377 cur_key = cur_keylen = link = __PRETTY_FUNCTION__ = "int l_find(LF_SLIST**, CHARSET_INFO*, uint32, const uchar*, size_t, CURSOR*, LF_PINS*, my_hash_walk_action)" #8 0x0000558d43120e05 in lf_hash_iterate (hash=0x558d4448ae40 , pins=pins@entry=0x558d4529cd68, action=action@entry=0x558d42dcb698 (rw_trx_hash_element_t*, rw_trx_hash_t::debug_iterator_arg*)>, argument=argument@entry=0x1519ac54abb0) at /test/10.6_dbg/mysys/lf_hash.cc:527 cursor = { prev = 0x558d4528a108, curr = 0x558d452af8a8, next = 0x0 } res = el = 0x558d452a4560 #9 0x0000558d42dcb14e in rw_trx_hash_t::iterate (argument=0x1519ac54abb0, action=0x558d42dcb698 (rw_trx_hash_element_t*, rw_trx_hash_t::debug_iterator_arg*)>, caller_trx=0x0, this=) at /test/10.6_dbg/storage/innobase/include/trx0sys.h:1032 pins = 0x558d4529cd68 debug_arg = { action = 0x558d42dcbd7e , argument = 0x1519ac54abc0 } res = pins = debug_arg = res = #10 trx_sys_t::snapshot_ids (min_trx_no=0x558d4448a1c0 , max_trx_id=0x558d4448a190 , ids=0x558d4448a1a0 , caller_trx=0x0, this=) at /test/10.6_dbg/storage/innobase/include/trx0sys.h:1032 arg = { m_ids = 0x558d4448a1a0 , m_id = 28, m_no = 28 } arg = #11 ReadViewBase::snapshot (trx=0x0, this=0x558d4448a190 ) at /test/10.6_dbg/storage/innobase/read/read0read.cc:175 __PRETTY_FUNCTION__ = #12 trx_sys_t::clone_oldest_view (this=0x558d4448a480 , view=view@entry=0x558d4448a190 ) at /test/10.6_dbg/storage/innobase/read/read0read.cc:247 No locals. #13 0x0000558d42ebfb35 in purge_sys_t::clone_oldest_view (this=0x558d4448a180 ) at /test/10.6_dbg/storage/innobase/include/trx0purge.h:263 No locals. #14 trx_purge (n_tasks=4, truncate=) at /test/10.6_dbg/storage/innobase/trx/trx0purge.cc:1279 thr = 0x0 n_pages_handled = __PRETTY_FUNCTION__ = "ulint trx_purge(ulint, bool)" #15 0x0000558d42ea9dfb in srv_do_purge (n_total_purged=) at /test/10.6_dbg/storage/innobase/srv/srv0srv.cc:1887 n_pages_purged = old_activity_count = 0 n_pages_purged = count = 7 n_use_threads = 4 rseg_history_len = 11 old_activity_count = n_threads = 4 __PRETTY_FUNCTION__ = lk = #16 purge_coordinator_callback_low () at /test/10.6_dbg/storage/innobase/srv/srv0srv.cc:1977 sigcount = 1 woken_during_purge = n_total_purged = 1 n_total_purged = sigcount = woken_during_purge = #17 purge_coordinator_callback () at /test/10.6_dbg/storage/innobase/srv/srv0srv.cc:2006 ctx = 0x151978000b60 thd = #18 0x0000558d430a5dd9 in tpool::task_group::execute (this=0x558d444891a0 , t=t@entry=0x558d44489100 ) at /test/10.6_dbg/tpool/task_group.cc:55 lk = { _M_device = 0x558d444891d0 , _M_owns = false } #19 0x0000558d430a5f31 in tpool::task::execute (this=0x558d44489100 ) at /test/10.6_dbg/tpool/task.cc:47 No locals. #20 0x0000558d430a4aef in tpool::thread_pool_generic::worker_main (this=0x558d44f088c0, thread_var=0x558d44f182e0) at /test/10.6_dbg/tpool/tpool_generic.cc:550 task = 0x558d44489100 #21 0x0000558d430a4e26 in std::__invoke_impl (__t=, __f=) at /usr/include/c++/9/bits/invoke.h:89 No locals. #22 std::__invoke (__fn=) at /usr/include/c++/9/bits/invoke.h:95 No locals. #23 std::thread::_Invoker >::_M_invoke<0ul, 1ul, 2ul> (this=) at /usr/include/c++/9/thread:244 No locals. #24 std::thread::_Invoker >::operator() (this=