The result from queries just before the failure was: create table t1(a int) engine=innodb; - found 'mariadbd.dmp' (0/5) Trying 'cdb' to get a backtrace Output from cdb follows. Faulting thread is printed twice,with and without function parameters OS_BUILD_LAYERS: 1 CONTEXT: (.ecxr) rax=0000000000000000 rbx=000001c5c7cf6810 rcx=000000000000000e rdx=00007ff853a81130 rsi=0000007ee0cffd68 rdi=0000007ee0cff270 rip=00007ff852300c74 rsp=0000007ee0cff1c0 rbp=000001c5c7cf68d8 r8=0000000000000000 r9=0000007ee0cff1f8 r10=00007ff9dad90000 r11=0000007ee0cff030 r12=00007ff9e2e3a440 r13=0000000000000000 r14=000001c5d86e6400 r15=00007ff9e2dd2ae0 iopl=0 nv up ei pl zr na po nc cs=0033 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246 server!intern_plugin_lock: mov eax,dword ptr [rax+2Ch] ds:00000000`0000002c=???????? Resetting default scope EXCEPTION_RECORD: (.exr -1) ExceptionAddress: 00007ff852300c74 (server!intern_plugin_lock) ExceptionCode: c0000005 (Access violation) ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 0000000000000000 Parameter[1]: 000000000000002c Attempt to read from address 000000000000002c PROCESS_NAME: mariadbd.exe READ_ADDRESS: 000000000000002c ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%p referenced memory at 0x%p. The memory could not be %s. EXCEPTION_CODE_STR: c0000005 EXCEPTION_PARAMETER1: 0000000000000000 EXCEPTION_PARAMETER2: 000000000000002c STACK_TEXT: : 00000000`00000000 00000000`00000000 cccccccc`0000000e 0000007e`e0cff2c8 : server!intern_plugin_lock : 000001c5`d8804148 00007ff8`539e9048 000001c5`0000055f 0000007e`e0cff348 : server!plugin_thdvar_init : 000001c5`d8804148 000001c5`d880a068 00000000`00000000 000001c5`d8804c3c : server!THD::init : 000001c5`d8804148 00000000`00000000 00000000`00000000 000001c5`c7cf7220 : server!THD::THD : 0000007e`e0cffb10 00007ff8`527b89fc 000001c5`c7d00768 00007ff9`e2dd4631 : server!create_background_thd : 00007ff8`5480daf0 0000007e`e0cffd68 cccccccc`cccccccc cccccccc`cccccccc : server!innobase_create_background_thd : 00000000`00000000 000001c5`c7d00768 00000000`00000000 00000000`00000000 : server!dict_stats_func : 0000007e`e0cffd68 000001c5`c7d00760 000001c5`c7cf6810 000001c5`c7d8bd68 : server!tpool::thread_pool_win::native_timer::timer_callback : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!TppTimerpExecuteCallback : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!TppWorkerThread : 00000000`00000000 00000000`00000000 000004f0`fffffb30 000004d0`fffffb30 : kernel32!BaseThreadInitThunk : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart FAULTING_SOURCE_LINE: C:\work\bb-wlad-denies-3\sql\sql_plugin.cc FAULTING_SOURCE_FILE: C:\work\bb-wlad-denies-3\sql\sql_plugin.cc FAULTING_SOURCE_LINE_NUMBER: 979 FAULTING_SOURCE_CODE: 975: DBUG_ENTER("intern_plugin_lock"); 976: 977: mysql_mutex_assert_owner(&LOCK_plugin); 978: > 979: if (pi->state & state_mask) 980: { 981: plugin_ref plugin; 982: #ifdef DBUG_OFF 983: /* 984: In optimized builds we don't do reference counting for built-in SYMBOL_NAME: server!intern_plugin_lock+a4 MODULE_NAME: server IMAGE_NAME: server.dll STACK_COMMAND: ~8s ; .ecxr ; kb FAILURE_BUCKET_ID: NULL_CLASS_PTR_READ_c0000005_server.dll!intern_plugin_lock OS_VERSION: 10.0.26100.1 BUILDLAB_STR: ge_release OSPLATFORM_TYPE: x64 OSNAME: Windows 10 IMAGE_VERSION: 13.0.0.0 FAILURE_ID_HASH: {37171665-2130-b945-9a24-3e2f922ad454} Followup: MachineOwner --------- rax=0000000000000000 rbx=000001c5c7cf6810 rcx=000000000000000e rdx=00007ff853a81130 rsi=0000007ee0cffd68 rdi=0000007ee0cff270 rip=00007ff852300c74 rsp=0000007ee0cff1c0 rbp=000001c5c7cf68d8 r8=0000000000000000 r9=0000007ee0cff1f8 r10=00007ff9dad90000 r11=0000007ee0cff030 r12=00007ff9e2e3a440 r13=0000000000000000 r14=000001c5d86e6400 r15=00007ff9e2dd2ae0 iopl=0 nv up ei pl zr na po nc cs=0033 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246 server!intern_plugin_lock: mov eax,dword ptr [rax+2Ch] ds:00000000`0000002c=???????? _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!intern_plugin_lock [C:\work\bb-wlad-denies-3\sql\sql_plugin.cc @ 979] struct LEX * lex = 0x00000000`00000000 struct st_plugin_int ** rc = 0x00000000`00000000 unsigned int state_mask = 0xe struct st_plugin_int * pi = 0x00000000`00000000 struct _db_stack_frame_ _db_stack_frame_ = struct _db_stack_frame_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!plugin_thdvar_init [C:\work\bb-wlad-denies-3\sql\sql_plugin.cc @ 3301] class THD * thd = 0x000001c5`d8804148 struct st_plugin_int ** old_tmp_table_plugin = 0x00000000`00000000 struct _db_stack_frame_ _db_stack_frame_ = struct _db_stack_frame_ struct st_plugin_int ** old_enforced_table_plugin = 0x00000000`00000000 struct st_plugin_int ** old_table_plugin = 0x00000000`00000000 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!THD::init [C:\work\bb-wlad-denies-3\sql\sql_class.cc @ 1382] class THD * this = 0x000001c5`d8804148 struct _db_stack_frame_ _db_stack_frame_ = struct _db_stack_frame_ unsigned long tmp = 0xcccccccc _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!THD::THD [C:\work\bb-wlad-denies-3\sql\sql_class.cc @ 945] class THD * this = 0x000001c5`d8804148 unsigned int64 id = 0 bool is_wsrep_applier = false class THD * old_THR_THD = 0x00000000`00000000 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!create_background_thd [C:\work\bb-wlad-denies-3\sql\sql_class.cc @ 5488] struct st_my_thread_var * thd_mysysvar = 0x000001c5`d8790090 struct st_my_thread_var * save_mysysvar = 0x000001c5`d8702f00 class THD * save_thd = 0x00000000`00000000 class THD * thd = 0x00007ff9`b3d922ef _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!innobase_create_background_thd [C:\work\bb-wlad-denies-3\storage\innobase\handler\ha_innodb.cc @ 1681] char * name = 0x00007ff8`5480daf0 "InnoDB statistics" class THD * thd = 0x00000000`00000001 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!dict_stats_func [C:\work\bb-wlad-denies-3\storage\innobase\dict\dict0stats_bg.cc @ 375] void * __formal = 0x00000000`00000000 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!tpool::thread_pool_win::native_timer::timer_callback [C:\work\bb-wlad-denies-3\tpool\tpool_win.cc @ 92] struct _TP_CALLBACK_INSTANCE * callback_instance = 0x0000007e`e0cffd68 void * context = 0x000001c5`c7d00760 struct _TP_TIMER * callback_timer = 0x000001c5`c7cf6810 class tpool::thread_pool_win::native_timer * timer = 0x000001c5`c7d00760 class std::unique_lock lk = class std::unique_lock _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ntdll!TppTimerpExecuteCallback Unable to enumerate locals, Win32 error 0n87 Private symbols (symbols.pri) are required for locals. Type ".hh dbgerr005" for details. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ntdll!TppWorkerThread Unable to enumerate locals, Win32 error 0n87 Private symbols (symbols.pri) are required for locals. Type ".hh dbgerr005" for details. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ kernel32!BaseThreadInitThunk Unable to enumerate locals, Win32 error 0n87 Private symbols (symbols.pri) are required for locals. Type ".hh dbgerr005" for details. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ntdll!RtlUserThreadStart Unable to enumerate locals, Win32 error 0n87 Private symbols (symbols.pri) are required for locals. Type ".hh dbgerr005" for details. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ server!intern_plugin_lock [C:\work\bb-wlad-denies-3\sql\sql_plugin.cc @ 979] Processing 10 threads, please wait . 0 Id: 9e94.99c8 Suspend: 0 Teb: 0000007e`e0224000 Unfrozen Priority: 0 Priority class: 32 Child-SP RetAddr Call Site ntdll!NtWaitForAlertByThreadId ntdll!TppBarrierAdjust ntdll!TpWaitForTimer server!tpool::thread_pool_win::native_timer::disarm(void) [C:\work\bb-wlad-denies-3\tpool\tpool_win.cc @ 120] server!tpool::thread_pool_win::native_timer::~native_timer(void) [C:\work\bb-wlad-denies-3\tpool\tpool_win.cc @ 126] server!tpool::thread_pool_win::native_timer::`scalar deleting destructor'(void) server!dict_stats_shutdown(void) [C:\work\bb-wlad-denies-3\storage\innobase\dict\dict0stats_bg.cc @ 408] server!srv_shutdown_bg_undo_sources(void) [C:\work\bb-wlad-denies-3\storage\innobase\srv\srv0start.cc @ 1038] server!innodb_preshutdown(void) [C:\work\bb-wlad-denies-3\storage\innobase\srv\srv0start.cc @ 2077] server!innodb_shutdown(void) [C:\work\bb-wlad-denies-3\storage\innobase\srv\srv0start.cc @ 2087] server!innobase_end(struct handlerton * __formal = 0x000001c5`c7c93e88, ha_panic_function __formal = HA_PANIC_CLOSE (0n0)) [C:\work\bb-wlad-denies-3\storage\innobase\handler\ha_innodb.cc @ 4300] server!ha_finalize_handlerton(void * plugin_ = 0x000001c5`c7bd3fe0) [C:\work\bb-wlad-denies-3\sql\handler.cc @ 601] server!plugin_deinitialize(struct st_plugin_int * plugin = 0x000001c5`c7bd3fe0, bool ref_check = false) [C:\work\bb-wlad-denies-3\sql\sql_plugin.cc @ 1276] server!plugin_shutdown(void) [C:\work\bb-wlad-denies-3\sql\sql_plugin.cc @ 2156] server!clean_up(bool print_message = false) [C:\work\bb-wlad-denies-3\sql\mysqld.cc @ 2019] server!unireg_abort(int exit_code = 0n0) [C:\work\bb-wlad-denies-3\sql\mysqld.cc @ 1938] server!mysqld_main(int argc = 0n56, char ** argv = 0x000001c5`c34ba890) [C:\work\bb-wlad-denies-3\sql\mysqld.cc @ 6284] server!mysqld_win_main(int argc = 0n55, char ** argv = 0x000001c5`c3489fb0) [C:\work\bb-wlad-denies-3\sql\winmain.cc @ 278] mariadbd!main(int argc = 0n55, char ** argv = 0x000001c5`c3489fb0) [C:\work\bb-wlad-denies-3\sql\main.cc @ 36] (Inline Function) --------`-------- mariadbd!invoke_main(void) [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl @ 78] mariadbd!__scrt_common_main_seh(void) [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl @ 288] kernel32!BaseThreadInitThunk ntdll!RtlUserThreadStart . 1 Id: 9e94.a350 Suspend: 0 Teb: 0000007e`e0226000 Unfrozen Priority: 0 Priority class: 32 Child-SP RetAddr Call Site ntdll!NtWaitForWorkViaWorkerFactory ntdll!TppWorkerThread kernel32!BaseThreadInitThunk ntdll!RtlUserThreadStart . 4 Id: 9e94.1fc Suspend: 0 Teb: 0000007e`e022c000 Unfrozen "" Priority: 0 Priority class: 32 Child-SP RetAddr Call Site ntdll!NtWaitForAlertByThreadId ntdll!RtlSleepConditionVariableCS KERNELBASE!SleepConditionVariableCS server!pthread_cond_timedwait(struct _RTL_CONDITION_VARIABLE * cond = 0x00007ff8`559abcc0, struct _RTL_CRITICAL_SECTION * mutex = 0x00007ff8`559abc90, struct timespec * abstime = 0x0000007e`e07ffb48) [C:\work\bb-wlad-denies-3\mysys\my_wincond.c @ 82] server!inline_mysql_cond_timedwait(struct st_mysql_cond * that = 0x00007ff8`559abcc0, struct st_mysql_mutex * mutex = 0x00007ff8`559abc90, struct timespec * abstime = 0x0000007e`e07ffb48, char * src_file = 0x00007ff8`555e4738 "--- memory read error at address 0x00007ff8`555e4738 ---", unsigned int src_line = 0x14a) [C:\work\bb-wlad-denies-3\include\mysql\psi\mysql_thread.h @ 1089] server!timer_handler(void * arg = 0x00000000`00000000) [C:\work\bb-wlad-denies-3\mysys\thr_timer.c @ 331] server!pthread_start(void * p = 0x000001c5`c34b5700) [C:\work\bb-wlad-denies-3\mysys\my_winthread.c @ 61] ucrtbase!thread_start ** _Obj = 0x000001c5`c7cdaea0) [C:\Program Files\Microsoft Visual Studio\18\Community\VC\Tools\MSVC\14.50.35717\include\type_traits @ 1678] server!std::thread::_Invoke::operator()(void) [C:\work\bb-wlad-denies-3\storage\innobase\fsp\fsp_binlog.cc @ 751] server!std::invoke<`fsp_binlog_page_fifo::start_flush_thread'::`2':: >(class fsp_binlog_page_fifo::start_flush_thread::__l2:: * _Obj = 0x000001c5`c7cdae80) [C:\Program Files\Microsoft Visual Studio\18\Community\VC\Tools\MSVC\14.50.35717\include\type_traits @ 1678] server!std::thread::_Invoke >,0>(void * _RawVals = 0x000001c5`c7cdae80) [C:\Program Files\Microsoft Visual Studio\18\Community\VC\Tools\MSVC\14.50.35717\include\thread @ 61] ucrtbase!thread_start Total threads: 10 Duplicate callstacks: 4 (windbg thread #s follow): 2, 3, 5, 9 - saving 'C:/work/bb-wlad-denies-3/xxx/mysql-test/var/16/log/main.bootstrap_innodb/' to 'C:/work/bb-wlad-denies-3/xxx/mysql-test/var/log/main.bootstrap_innodb/' -------------------------------------------------------------------------- The servers were restarted 293 times Spent 2199.700 of 907 seconds executing testcases Completed: Failed 1/1346 tests, 99.93% were successful. Failing test(s): main.bootstrap_innodb