Thread 33 (Thread 0xdbb69ac0 (LWP 257791) "mysqld"): #0 0x56ff2fe3 in my_charset_same (cs1=0x0, cs2=0x57677440 ) at /home/buildbot/buildbot/build/mysys/charset.c:42 __s1_len = __s2_len = #1 0x568e645f in String::needs_conversion (arg_length=arg_length@entry=4, from_cs=from_cs@entry=0x0, to_cs=to_cs@entry=0x57677440 , offset=offset@entry=0xdbb6892c) at /home/buildbot/buildbot/build/sql/sql_string.cc:256 No locals. #2 0x568e6687 in String::copy (this=0xcdd00b38, str=0xcdd077d8 "456", arg_length=4, from_cs=from_cs@entry=0x0, to_cs=to_cs@entry=0x57677440 , errors=errors@entry=0xdbb6897c) at /home/buildbot/buildbot/build/sql/sql_string.cc:384 offset = 0 new_length = #3 0x5682ab8a in THD::convert_string (this=this@entry=0xcdd006b8, s=s@entry=0xcdd2d6c8, from_cs=0x0, to_cs=0x57677440 ) at /home/buildbot/buildbot/build/sql/sql_class.cc:2260 dummy_errors = 1466091644 #4 0x56a37325 in Item_param::CONVERSION_INFO::convert (this=this@entry=0xcdd2d778, thd=thd@entry=0xcdd006b8, str=str@entry=0xcdd2d6c8) at /home/buildbot/buildbot/build/sql/item.cc:3759 No locals. #5 0x56a38b66 in Item_param::CONVERSION_INFO::convert_if_needed (str=0xcdd2d6c8, thd=0xcdd006b8, this=0xcdd2d778) at /home/buildbot/buildbot/build/sql/item.h:3089 No locals. #6 Item_param::convert_str_value (this=this@entry=0xcdd2d6a0, thd=0xcdd006b8) at /home/buildbot/buildbot/build/sql/item.cc:4190 rc = false #7 0x568792d6 in insert_params (stmt=0xcdd23888, null_array=0xcdd11942 "", read_pos=0xcdd1194e "\004\067\070\071", data_end=0xcdd11953 "", expanded_query=0xdbb68b3c) at /home/buildbot/buildbot/build/sql/sql_prepare.cc:953 param = 0xcdd2d6a0 it = 0xcdd2d8f4 begin = 0xcdd2d8f0 end = 0xcdd2d8fc #8 0x5687dcb5 in Prepared_statement::set_parameters (this=, expanded_query=expanded_query@entry=0xdbb68b3c, packet=0xcdd11944 "\004\061\062\063", packet@entry=0xcdd11942 "", packet_end=packet_end@entry=0xcdd11953 "") at /home/buildbot/buildbot/build/sql/sql_prepare.cc:4367 null_array = 0xcdd11942 "" is_sql_ps = false res = false #9 0x5687ed88 in Prepared_statement::execute_loop (this=0xcdd23888, expanded_query=0xdbb68b3c, open_cursor=false, packet=0xcdd11942 "", packet_end=0xcdd11953 "") at /home/buildbot/buildbot/build/sql/sql_prepare.cc:4436 reprepare_observer = {m_invalidated = } error = reprepare_attempt = 0 reprepare_observer = {m_invalidated = } error = reprepare_attempt = #10 0x5687fa6c in mysql_stmt_execute_common (thd=thd@entry=0xcdd006b8, stmt_id=, packet=0xcdd11942 "", packet_end=packet_end@entry=0xcdd11953 "", cursor_flags=0, bulk_op=bulk_op@entry=false, read_types=read_types@entry=false) at /home/buildbot/buildbot/build/sql/sql_prepare.cc:3468 expanded_query = { = {}, Ptr = 0x0, str_length = 0, Alloced_length = 0, extra_alloc = 0, alloced = false, thread_specific = false, str_charset = 0x576588a0 } stmt = 0xcdd23888 save_protocol = 0xcdd00ab0 open_cursor = false #11 0x5687fbab in mysqld_stmt_execute (thd=thd@entry=0xcdd006b8, packet_arg=0xcdd11939 "\001", packet_length=26) at /home/buildbot/buildbot/build/sql/sql_prepare.cc:3259 packet = 0xcdd11942 "" flags = packet_end = 0xcdd11953 "" packet_min_lenght = 9 stmt_id = #12 0x5686c154 in dispatch_command (command=command@entry=COM_STMT_EXECUTE, thd=thd@entry=0xcdd006b8, packet=packet@entry=0xcdd11939 "\001", packet_length=packet_length@entry=26, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /home/buildbot/buildbot/build/sql/sql_parse.cc:1770 net = do_end_of_statement = true __FUNCTION__ = "dispatch_command" error = false drop_more_results = #13 0x5686e900 in do_command (thd=0xcdd006b8) at /home/buildbot/buildbot/build/sql/sql_parse.cc:1382 return_value = packet = 0xcdd11938 "\027\001" packet_length = 27 net = 0xcdd00830 command = #14 0x5694a229 in do_handle_one_connection (connect=connect@entry=0x58471be8) at /home/buildbot/buildbot/build/sql/sql_connect.cc:1336 create_user = true thr_create_utime = thd = 0xcdd006b8 #15 0x5694a349 in handle_one_connection (arg=0x58471be8) at /home/buildbot/buildbot/build/sql/sql_connect.cc:1241 connect = 0x58471be8 #16 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #17 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 32 (Thread 0xdbbb4ac0 (LWP 257788) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56857277 in inline_mysql_cond_wait (that=0x576b8fc0 , mutex=0x576b8ff4 , src_file=0x570b14f8 "/home/buildbot/buildbot/build/sql/sql_manager.cc", src_line=102) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1156 result = result = locker = state = {m_flags = , m_operation = , m_cond = , m_mutex = , m_thread = , m_timer_start = , m_timer = , m_wait = } #3 handle_manager (arg=0x0) at /home/buildbot/buildbot/build/sql/sql_manager.cc:102 cb = error = abstime = {tv_sec = 0, tv_nsec = 0} reset_flush_time = #4 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 31 (Thread 0xdbbffac0 (LWP 257787) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7af1510 in sigtimedwait () from /lib/libc.so.6 No symbol table info available. #2 0xf7f41115 in sigwait () from /lib/libpthread.so.0 No symbol table info available. #3 0x567b0e54 in signal_hand (arg=0x0) at /home/buildbot/buildbot/build/sql/mysqld.cc:3557 error = set = {__val = {548869, 0 }} sig = 0 #4 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 30 (Thread 0xceafdac0 (LWP 257786) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56bb35b0 in inline_mysql_cond_wait (src_file=0x57154f34 "/home/buildbot/buildbot/build/storage/innobase/handler/ha_innodb.cc", src_line=348, mutex=0xceafd2cc, that=0xceafd2e8) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1156 result = result = locker = state = {m_flags = , m_operation = , m_cond = , m_mutex = , m_thread = , m_timer_start = , m_timer = , m_wait = } #3 thd_destructor_proxy () at /home/buildbot/buildbot/build/storage/innobase/handler/ha_innodb.cc:348 thd_destructor_mutex = {m_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __kind = 0, __nusers = 1, {d = {__espins = 0, __elision = 0}, __list = {__next = 0x0}}}, __size = '\000' , "\001\000\000\000\000\000\000", __align = 0}, m_psi = 0x0} thd_destructor_cond = {m_cond = {__data = {__lock = 2, __futex = 0, __total_seq = 0, __wakeup_seq = 2, __woken_seq = 0, __mutex = 0x0, __nwaiters = 8, __broadcast_seq = 0}, __size = "\002", '\000' , "\002", '\000' , "\b\000\000\000\000\000\000\000\000\000\000", __align = 2}, m_psi = 0x0} myvar = __FUNCTION__ = "thd_destructor_proxy" thd = #4 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 29 (Thread 0xcf2feac0 (LWP 257785) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3b42f in os_event::wait (this=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:158 ret = ret = #3 os_event::wait_low (reset_sig_count=, this=0x57ff1fb0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:325 No locals. #4 os_event_wait_low (event=0x57ff1fb0, reset_sig_count=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:507 No locals. #5 0x56d6fd90 in buf_resize_thread () at /home/buildbot/buildbot/build/storage/innobase/buf/buf0buf.cc:3109 No locals. #6 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 28 (Thread 0xcfaffac0 (LWP 257784) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7b708ad in __clock_nanosleep_time64 () from /lib/libc.so.6 No symbol table info available. #2 0xf7b70982 in clock_nanosleep@GLIBC_2.2 () from /lib/libc.so.6 No symbol table info available. #3 0xf7b77104 in nanosleep () from /lib/libc.so.6 No symbol table info available. #4 0x56c3b778 in os_thread_sleep (tm=tm@entry=1000000) at /home/buildbot/buildbot/build/storage/innobase/os/os0thread.cc:231 t = {tv_sec = 1, tv_nsec = 0} #5 0x56d5f44c in btr_defragment_thread () at /home/buildbot/buildbot/build/storage/innobase/btr/btr0defragment.cc:722 item = now = elapsed = pcur = cursor = mtr = {m_memo = {m_heap = 0x0, m_list = {::block_t, void>> = {sentinel_ = {next = 0xcfafeed0, prev = 0xcfafeed0}}, size_ = 1}, m_size = 0, m_first_block = {> = {next = 0xcfafeec0, prev = 0xcfafeec0}, m_data = '\000' , m_used = 0}}, m_log = {m_heap = 0x0, m_list = {::block_t, void>> = {sentinel_ = {next = 0xcfaff0ec, prev = 0xcfaff0ec}}, size_ = 1}, m_size = 0, m_first_block = {> = {next = 0xcfaff0dc, prev = 0xcfaff0dc}, m_data = '\000' , m_used = 0}}, m_made_dirty = false, m_inside_ibuf = false, m_modifications = false, m_n_log_recs = 0, m_log_mode = MTR_LOG_ALL, m_user_space = 0x0, m_undo_space = 0x0, m_sys_space = 0x0, m_state = MTR_STATE_INIT, m_flush_observer = 0x0, m_commit_lsn = 0} last_block = index = first_block = #6 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 27 (Thread 0xd04feac0 (LWP 257783) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3b42f in os_event::wait (this=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:158 ret = ret = #3 os_event::wait_low (reset_sig_count=, this=0x57ff1ef0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:325 No locals. #4 os_event_wait_low (event=0x57ff1ef0, reset_sig_count=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:507 No locals. #5 0x56d77cee in buf_dump_thread () at /home/buildbot/buildbot/build/storage/innobase/buf/buf0dump.cc:806 No locals. #6 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 26 (Thread 0xd0cffac0 (LWP 257782) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3b42f in os_event::wait (this=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:158 ret = ret = #3 os_event::wait_low (reset_sig_count=, this=0x57ff1dd0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:325 No locals. #4 os_event_wait_low (event=0x57ff1dd0, reset_sig_count=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:507 No locals. #5 0x56cd50a0 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x576512c4 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:937 timeout = false timeout = #6 srv_worker_thread (arg=0x0) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2617 slot = thd = #7 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 25 (Thread 0xd18feac0 (LWP 257781) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3b42f in os_event::wait (this=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:158 ret = ret = #3 os_event::wait_low (reset_sig_count=, this=0x57ff1d70) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:325 No locals. #4 os_event_wait_low (event=0x57ff1d70, reset_sig_count=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:507 No locals. #5 0x56cd50a0 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x576512a8 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:937 timeout = false timeout = #6 srv_worker_thread (arg=0x0) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2617 slot = thd = #7 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 24 (Thread 0xd20ffac0 (LWP 257780) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3b42f in os_event::wait (this=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:158 ret = ret = #3 os_event::wait_low (reset_sig_count=, this=0x57ff1d10) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:325 No locals. #4 os_event_wait_low (event=0x57ff1d10, reset_sig_count=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:507 No locals. #5 0x56cd50a0 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x5765128c ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:937 timeout = false timeout = #6 srv_worker_thread (arg=0x0) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2617 slot = thd = #7 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 23 (Thread 0xd2affac0 (LWP 257779) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3bd9c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3b42f in os_event::wait (this=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:158 ret = ret = #3 os_event::wait_low (reset_sig_count=, this=0x57ff1cb0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:325 No locals. #4 os_event_wait_low (event=0x57ff1cb0, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:507 No locals. #5 0x56cd6b55 in srv_resume_thread (timeout_usec=0, wait=true, sig_count=1, slot=0x57651270 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:937 timeout = false timeout = #6 srv_purge_coordinator_suspend (rseg_history_len=, slot=) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2778 wait = true timeout = stop = true sig_count = SRV_PURGE_MAX_TIMEOUT = 10000 stop = SRV_PURGE_MAX_TIMEOUT = 10000 sig_count = wait = timeout = #7 srv_purge_coordinator_thread (arg=0x0) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2865 thd = slot = n_total_purged = rseg_history_len = #8 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #9 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 22 (Thread 0xd34fbac0 (LWP 257778) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3aef2 in os_event::timed_wait (abstime=0xd34fb0a4, this=0x5844cf00) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:275 ret = ret = #3 os_event::wait_time_low (this=0x5844cf00, time_in_usec=5000000, reset_sig_count=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:385 timed_out = false abstime = {tv_sec = 1616217349, tv_nsec = 37929000} #4 0x56c3b3b9 in os_event_wait_time_low (event=0x5844cf00, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:490 No locals. #5 0x56d258f4 in ib_wqueue_timedwait (wq=wq@entry=0x5842ba10, wait_in_usecs=wait_in_usecs@entry=5000000) at /home/buildbot/buildbot/build/storage/innobase/ut/ut0wqueue.cc:156 error = sig_count = node = #6 0x56e1ad21 in fts_optimize_thread (arg=0x5842ba10) at /home/buildbot/buildbot/build/storage/innobase/fts/fts0opt.cc:2829 msg = current = done = 0 n_tables = 0 n_optimize = 0 wq = #7 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 21 (Thread 0xd3cfcac0 (LWP 257777) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3aef2 in os_event::timed_wait (abstime=0xd3cfc184, this=0x58407880) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:275 ret = ret = #3 os_event::wait_time_low (this=0x58407880, time_in_usec=10000000, reset_sig_count=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:385 timed_out = false abstime = {tv_sec = 1616217354, tv_nsec = 37434000} #4 0x56c3b3b9 in os_event_wait_time_low (event=0x58407880, time_in_usec=time_in_usec@entry=10000000, reset_sig_count=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:490 No locals. #5 0x56dcbb5e in dict_stats_thread () at /home/buildbot/buildbot/build/storage/innobase/dict/dict0stats_bg.cc:475 No locals. #6 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 20 (Thread 0xd44fdac0 (LWP 257776) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7b708ad in __clock_nanosleep_time64 () from /lib/libc.so.6 No symbol table info available. #2 0xf7b70982 in clock_nanosleep@GLIBC_2.2 () from /lib/libc.so.6 No symbol table info available. #3 0xf7b77104 in nanosleep () from /lib/libc.so.6 No symbol table info available. #4 0x56c3b778 in os_thread_sleep (tm=tm@entry=1000000) at /home/buildbot/buildbot/build/storage/innobase/os/os0thread.cc:231 t = {tv_sec = 1, tv_nsec = 0} #5 0x56cd45ed in srv_master_sleep () at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2419 No locals. #6 srv_master_thread (arg=0x0) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:2459 slot = old_activity_count = 0 loop = #7 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 19 (Thread 0xd4cfeac0 (LWP 257775) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3aef2 in os_event::timed_wait (abstime=0xd4cfe1c4, this=0x57ff1e90) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:275 ret = ret = #3 os_event::wait_time_low (this=0x57ff1e90, time_in_usec=5000000, reset_sig_count=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:385 timed_out = false abstime = {tv_sec = 1616217349, tv_nsec = 10858000} #4 0x56c3b3b9 in os_event_wait_time_low (event=0x57ff1e90, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:490 No locals. #5 0x56cd2cbc in srv_monitor_thread () at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:1748 sig_count = time_elapsed = last_monitor_time = 1616217344 current_time = mutex_skipped = 0 last_srv_print_monitor = 0 #6 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 18 (Thread 0xd54ffac0 (LWP 257774) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3aef2 in os_event::timed_wait (abstime=0xd54ff144, this=0x57ff1e30) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:275 ret = ret = #3 os_event::wait_time_low (this=0x57ff1e30, time_in_usec=1000000, reset_sig_count=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:385 timed_out = false abstime = {tv_sec = 1616217349, tv_nsec = 10834000} #4 0x56c3b3b9 in os_event_wait_time_low (event=0x57ff1e30, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:490 No locals. #5 0x56cd3342 in srv_error_monitor_thread () at /home/buildbot/buildbot/build/storage/innobase/srv/srv0srv.cc:1912 old_lsn = 1615619 sig_count = waiter = 3578788544 old_waiter = 3578788544 sema = 0x0 old_sema = 0x0 fatal_cnt = 0 new_lsn = 1615619 #6 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 17 (Thread 0xd5efaac0 (LWP 257773) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3aef2 in os_event::timed_wait (abstime=0xd5efa174, this=0x5836c6e0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:275 ret = ret = #3 os_event::wait_time_low (this=0x5836c6e0, time_in_usec=1000000, reset_sig_count=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:385 timed_out = false abstime = {tv_sec = 1616217349, tv_nsec = 10243000} #4 0x56c3b3b9 in os_event_wait_time_low (event=event@entry=0x5836c6e0, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:490 No locals. #5 0x56c0e85e in lock_wait_timeout_thread () at /home/buildbot/buildbot/build/storage/innobase/lock/lock0wait.cc:525 slot = sig_count = event = #6 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #7 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 14 (Thread 0xd6a03ac0 (LWP 257770) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56c3aef2 in os_event::timed_wait (abstime=0xd6a030e4, this=0x57ff1f50) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:275 ret = ret = #3 os_event::wait_time_low (this=0x57ff1f50, time_in_usec=1000000, reset_sig_count=) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:385 timed_out = false abstime = {tv_sec = 1616217349, tv_nsec = 37988000} #4 0x56c3b3b9 in os_event_wait_time_low (event=0x57ff1f50, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=6) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:490 No locals. #5 0x56d7ebf2 in pc_sleep_if_needed (cur_time=199945150, sig_count=6, next_loop_time=199946150) at /home/buildbot/buildbot/build/storage/innobase/buf/buf0flu.cc:2683 sleep_us = sleep_us = #6 buf_flush_page_cleaner_coordinator () at /home/buildbot/buildbot/build/storage/innobase/buf/buf0flu.cc:3149 curr_time = 199945150 n_flushed_last = 0 warn_count = 0 sig_count = 6 next_loop_time = 199946150 n_flushed = 0 ret_sleep = warn_interval = 1 last_pages = 0 n_evicted = 0 last_activity = 0 success = #7 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 13 (Thread 0xd7204ac0 (LWP 257769) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xd72041b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf710b000 start_pos = 768 end_pos = 1024 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xd72041b0, m1=m1@entry=0xd7204228, m2=m2@entry=0xd720422c, request=request@entry=0xd7204230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xd7204230, m2=0xd720422c, m1=0xd7204228, global_segment=9) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=9, m1=m1@entry=0xd7204228, m2=m2@entry=0xd720422c, request=request@entry=0xd7204230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=9) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x0 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0x0 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a44 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 9 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 12 (Thread 0xd7a05ac0 (LWP 257768) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xd7a051b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7110000 start_pos = 512 end_pos = 768 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xd7a051b0, m1=m1@entry=0xd7a05228, m2=m2@entry=0xd7a0522c, request=request@entry=0xd7a05230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xd7a05230, m2=0xd7a0522c, m1=0xd7a05228, global_segment=8) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=8, m1=m1@entry=0xd7a05228, m2=m2@entry=0xd7a0522c, request=request@entry=0xd7a05230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=8) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x58440300 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0xddf4e880 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a40 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 8 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 11 (Thread 0xd8206ac0 (LWP 257767) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xd82061b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7115000 start_pos = 256 end_pos = 512 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xd82061b0, m1=m1@entry=0xd8206228, m2=m2@entry=0xd820622c, request=request@entry=0xd8206230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xd8206230, m2=0xd820622c, m1=0xd8206228, global_segment=7) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=7, m1=m1@entry=0xd8206228, m2=m2@entry=0xd820622c, request=request@entry=0xd8206230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=7) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x58440300 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0xddf4e500 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a3c ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 7 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 10 (Thread 0xd8a07ac0 (LWP 257766) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xd8a071b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7fa7000 start_pos = 0 end_pos = 256 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xd8a071b0, m1=m1@entry=0xd8a07228, m2=m2@entry=0xd8a0722c, request=request@entry=0xd8a07230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xd8a07230, m2=0xd8a0722c, m1=0xd8a07228, global_segment=6) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=6, m1=m1@entry=0xd8a07228, m2=m2@entry=0xd8a0722c, request=request@entry=0xd8a07230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=6) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x58407180 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0xddf3f540 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a38 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 6 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 9 (Thread 0xd9208ac0 (LWP 257765) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xd92081b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7fb6000 start_pos = 768 end_pos = 1024 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xd92081b0, m1=m1@entry=0xd9208228, m2=m2@entry=0xd920822c, request=request@entry=0xd9208230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xd9208230, m2=0xd920822c, m1=0xd9208228, global_segment=5) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=5, m1=m1@entry=0xd9208228, m2=m2@entry=0xd920822c, request=request@entry=0xd9208230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=5) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x0 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0x0 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a34 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 5 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 8 (Thread 0xd9a09ac0 (LWP 257764) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xd9a091b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7fbb000 start_pos = 512 end_pos = 768 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xd9a091b0, m1=m1@entry=0xd9a09228, m2=m2@entry=0xd9a0922c, request=request@entry=0xd9a09230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xd9a09230, m2=0xd9a0922c, m1=0xd9a09228, global_segment=4) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=4, m1=m1@entry=0xd9a09228, m2=m2@entry=0xd9a0922c, request=request@entry=0xd9a09230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=4) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x0 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0x0 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a30 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 4 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 7 (Thread 0xda20aac0 (LWP 257763) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xda20a1b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7fc0000 start_pos = 256 end_pos = 512 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xda20a1b0, m1=m1@entry=0xda20a228, m2=m2@entry=0xda20a22c, request=request@entry=0xda20a230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xda20a230, m2=0xda20a22c, m1=0xda20a228, global_segment=3) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=3, m1=m1@entry=0xda20a228, m2=m2@entry=0xda20a22c, request=request@entry=0xda20a230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=3) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x0 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0x0 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a2c ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 3 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 6 (Thread 0xdaa0bac0 (LWP 257762) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xdaa0b1b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7fc5000 start_pos = 0 end_pos = 256 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xdaa0b1b0, m1=m1@entry=0xdaa0b228, m2=m2@entry=0xdaa0b22c, request=request@entry=0xdaa0b230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xdaa0b230, m2=0xdaa0b22c, m1=0xdaa0b228, global_segment=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=2, m1=m1@entry=0xdaa0b228, m2=m2@entry=0xdaa0b22c, request=request@entry=0xdaa0b230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=2) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x0 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0x0 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a28 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 2 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 5 (Thread 0xdb20cac0 (LWP 257761) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xdb20c1b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7fac000 start_pos = 0 end_pos = 256 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xdb20c1b0, m1=m1@entry=0xdb20c228, m2=m2@entry=0xdb20c22c, request=request@entry=0xdb20c230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xdb20c230, m2=0xdb20c22c, m1=0xdb20c228, global_segment=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=1, m1=m1@entry=0xdb20c228, m2=m2@entry=0xdb20c22c, request=request@entry=0xdb20c230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=1) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x58407390 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0x5835ca75 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a24 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 1 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 4 (Thread 0xdba0dac0 (LWP 257760) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7baed1b in syscall () from /lib/libc.so.6 No symbol table info available. #2 0xf7f9e3ac in __io_getevents_0_4 () from /lib/libaio.so.1 No symbol table info available. #3 0xf7f9e41e in io_getevents () from /lib/libaio.so.1 No symbol table info available. #4 0x56c30af2 in LinuxAIOHandler::collect (this=this@entry=0xdba0d1b0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1936 events = timeout = {tv_sec = 0, tv_nsec = 500000000} ret = io_ctx = 0xf7fb1000 start_pos = 0 end_pos = 256 #5 0x56c36dda in LinuxAIOHandler::poll (this=this@entry=0xdba0d1b0, m1=m1@entry=0xdba0d228, m2=m2@entry=0xdba0d22c, request=request@entry=0xdba0d230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2097 n_pending = err = slot = #6 0x56c3a553 in os_aio_linux_handler (request=0xdba0d230, m2=0xdba0d22c, m1=0xdba0d228, global_segment=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2151 No locals. #7 os_aio_handler (segment=segment@entry=0, m1=m1@entry=0xdba0d228, m2=m2@entry=0xdba0d22c, request=request@entry=0xdba0d230) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5784 err = #8 0x56dd44a0 in fil_aio_wait (segment=segment@entry=0) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5115 node = 0x0 type = {m_bpage = 0x0, m_fil_node = 0x0, m_type = 1} message = 0x0 err = space_id = dblwr = purpose = #9 0x56cd7520 in io_handler_thread (arg=0x57708a20 ) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332 segment = 0 start = #10 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #11 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 3 (Thread 0xe6e0aac0 (LWP 257759) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x56e8d0db in inline_mysql_cond_timedwait (src_file=0x571a2be4 "/home/buildbot/buildbot/build/storage/maria/ma_servicethread.c", src_line=116, abstime=0xe6e0a244, mutex=0x57f16994 , that=0x57f16960 ) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1193 result = result = locker = state = {m_flags = , m_operation = , m_cond = , m_mutex = , m_thread = , m_timer_start = , m_timer = , m_wait = } #3 my_service_thread_sleep (control=control@entry=0x576522a4 , sleep_time=29000000000) at /home/buildbot/buildbot/build/storage/maria/ma_servicethread.c:115 abstime = {tv_sec = 1616217372, tv_nsec = 877740000} res = 0 '\000' #4 0x56e82b8d in ma_checkpoint_background (arg=0x1e) at /home/buildbot/buildbot/build/storage/maria/ma_checkpoint.c:709 interval = 30 sleeps = sleep_time = 29 log_horizon_at_last_checkpoint = 4294975583 pagecache_flushes_at_last_checkpoint = 0 pages_bunch_size = 0 filter_param = {up_to_lsn = 4294975539, max_pages = 0} dfile = 0x0 kfile = 0x0 #5 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #6 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 2 (Thread 0xf795bac0 (LWP 257758) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7f3c15a in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #2 0x5701d399 in inline_mysql_cond_timedwait (that=0x57f227a0 , mutex=0x57f227d4 , src_file=0x571bb530 "/home/buildbot/buildbot/build/mysys/thr_timer.c", src_line=292, abstime=0xf795b2f4) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1193 result = result = locker = state = {m_flags = , m_operation = , m_cond = , m_mutex = , m_thread = , m_timer_start = , m_timer = , m_wait = } #3 timer_handler (arg=0x0) at /home/buildbot/buildbot/build/mysys/thr_timer.c:292 error = top_time = now = {tv_sec = , tv_nsec = } abstime = {tv_sec = 2147483647, tv_nsec = 0} #4 0xf7f35648 in start_thread () from /lib/libpthread.so.0 No symbol table info available. #5 0xf7bb274a in clone () from /lib/libc.so.6 No symbol table info available. Thread 1 (Thread 0xf7a9c5c0 (LWP 257754) "mysqld"): #0 0xf7fce559 in __kernel_vsyscall () No symbol table info available. #1 0xf7ba72f7 in poll () from /lib/libc.so.6 No symbol table info available. #2 0x567ba7d1 in poll (__timeout=-1, __nfds=1, __fds=0xffffcac0) at /usr/include/i386-linux-gnu/bits/poll2.h:41 No locals. #3 handle_connections_sockets () at /home/buildbot/buildbot/build/sql/mysqld.cc:6724 cAddr = {ss_family = 1, __ss_align = 4157013532, __ss_padding = "@\005\307\367\270\313\377\377K\t\272\367\000\000\000\000\000\000\000\000\002\000\000\000\067\t\272\367p\001\363W\002\000\000\000\270\313\377\377|\310bWT[kW\200\r\307\367\270\313\377\377X\000{VT[kW", '\000' , "|\310bWT[kW [kW\302\221\363\367T[kW\001\000\000\000\304\313\377\377\377\352|V)\020\260V|\310bW\270\313\377\377"} flags = 2 retval = fds = {{fd = 20, events = 1, revents = 0}, {fd = -139164243, events = -23747, revents = 22282}, {fd = 8, events = -23752, revents = 22282}} sock = {fd = 20, m_psi = 0x0} new_sock = {fd = , m_psi = } error_count = 0 socket_flags = ip_flags = 0 extra_ip_flags = 0 socket_count = 1 pfs_fds = {{fd = 20, m_psi = 0x0}, {fd = 1460314936, m_psi = 0xf7c2128d}, {fd = -13560, m_psi = 0x0}} #4 0x567bc115 in mysqld_main (argc=argc@entry=5, argv=argv@entry=0xffffcdb4) at /home/buildbot/buildbot/build/sql/mysqld.cc:6192 please_close_stdin = true ho_error = new_thread_stack_size = #5 0x56793e27 in main (argc=5, argv=0xffffcdb4) at /home/buildbot/buildbot/build/sql/main.cc:25 No locals.