Opened log file 'F:\FBQA\rundaily-2026\watch4dumps\logs\20260726_040340_405.WI-T6_0_0_2097.13252.txt'

Microsoft (R) Windows Debugger Version 10.0.17763.7010 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.

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Loading Dump File [F:\temp\fbdumps\firebird.exe.13252.dmp]
User Mini Dump File with Full Memory: Only application data is available


************* Path validation summary **************
Response                         Time (ms)     Location
OK                                             F:\FBQA\rundaily-2026\unpacked-snapshot.tmp\FB60
OK                                             F:\FBQA\rundaily-2026\unpacked-snapshot.tmp\FB60\plugins
Symbol search path is: F:\FBQA\rundaily-2026\unpacked-snapshot.tmp\FB60;F:\FBQA\rundaily-2026\unpacked-snapshot.tmp\FB60\plugins
Executable search path is: 
Windows 10 Version 15063 MP (8 procs) Free x64
Product: WinNt, suite: SingleUserTS
15063.0.amd64fre.rs2_release.170317-1834
Machine Name:
Debug session time: Sun Jul 26 04:03:40.000 2026 (UTC + 3:00)
System Uptime: 17 days 8:48:08.557
Process Uptime: 0 days 0:00:01.000
...................................................
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ntdll.dll - 

************* Symbol Loading Error Summary **************
Module name            Error
ntdll                  The system cannot find the file specified

You can troubleshoot most symbol related issues by turning on symbol loading diagnostics (!sym noisy) and repeating the command that caused symbols to be loaded.
You should also verify that your symbol search path (.sympath) is correct.
This dump file has an exception of interest stored in it.
The stored exception information can be accessed via .ecxr.
(33c4.1534): Access violation - code c0000005 (first/second chance not available)
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for KERNELBASE.dll - 
ntdll!ZwWaitForMultipleObjects+0x14:
00007ffd`98905ef4 c3              ret
0:004> $$ https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/k--kb--kc--kd--kp--kp--kv--display-stack-backtrace-
0:004> lm
start             end                 module name
00000000`027a0000 00000000`028bd000   fbintl     (deferred)             
00000000`028d0000 00000000`028d3000   icudt77    (deferred)             
00000000`061c0000 00000000`06231000   chacha     (deferred)             
00000001`40000000 00000001`40129000   firebird   (deferred)             
00000001`80000000 00000001`80008000   ib_util    (deferred)             
00007ffd`49a00000 00007ffd`4a37a000   engine14   (deferred)             
00007ffd`604c0000 00007ffd`60831000   icuin77    (deferred)             
00007ffd`64150000 00007ffd`64361000   fbclient   (deferred)             
00007ffd`65470000 00007ffd`654fd000   msvcp140   (deferred)             
00007ffd`80a00000 00007ffd`80c74000   icuuc77    (deferred)             
00007ffd`81070000 00007ffd`81116000   comctl32   (deferred)             
00007ffd`8c120000 00007ffd`8c12c000   VCRUNTIME140_1   (deferred)             
00007ffd`8c130000 00007ffd`8c14e000   VCRUNTIME140   (deferred)             
00007ffd`8c1c0000 00007ffd`8c1da000   pnrpnsp    (deferred)             
00007ffd`8c6b0000 00007ffd`8c6cb000   mpr        (deferred)             
00007ffd`8fda0000 00007ffd`8fdaf000   fbSampleKeyHolder   (deferred)             
00007ffd`900a0000 00007ffd`900b6000   NapiNSP    (deferred)             
00007ffd`91d40000 00007ffd`91d58000   nlaapi     (deferred)             
00007ffd`92030000 00007ffd`9203e000   winrnr     (deferred)             
00007ffd`93ee0000 00007ffd`93f11000   ntmarta    (deferred)             
00007ffd`94320000 00007ffd`94357000   IPHLPAPI   (deferred)             
00007ffd`94360000 00007ffd`94404000   dnsapi     (deferred)             
00007ffd`94580000 00007ffd`945dc000   mswsock    (deferred)             
00007ffd`94ba0000 00007ffd`94bc5000   bcrypt     (deferred)             
00007ffd`94cd0000 00007ffd`94ce5000   profapi    (deferred)             
00007ffd`94cf0000 00007ffd`94d3c000   powrprof   (deferred)             
00007ffd`94d60000 00007ffd`94d71000   kernel_appcore   (deferred)             
00007ffd`94de0000 00007ffd`95029000   KERNELBASE   (export symbols)       KERNELBASE.dll
00007ffd`95030000 00007ffd`9509a000   bcryptPrimitives   (deferred)             
00007ffd`95150000 00007ffd`95246000   ucrtbase   (deferred)             
00007ffd`95250000 00007ffd`95941000   windows_storage   (deferred)             
00007ffd`95950000 00007ffd`959ea000   msvcp_win   (deferred)             
00007ffd`959f0000 00007ffd`95a39000   cfgmgr32   (deferred)             
00007ffd`95a40000 00007ffd`95a5e000   win32u     (deferred)             
00007ffd`95a60000 00007ffd`95be7000   gdi32full   (deferred)             
00007ffd`95dc0000 00007ffd`95e5d000   msvcrt     (deferred)             
00007ffd`95e60000 00007ffd`95eb9000   sechost    (deferred)             
00007ffd`95ec0000 00007ffd`972f8000   shell32    (deferred)             
00007ffd`976a0000 00007ffd`9774e000   kernel32   (deferred)             
00007ffd`97750000 00007ffd`97895000   ole32      (deferred)             
00007ffd`978a0000 00007ffd`978a8000   nsi        (deferred)             
00007ffd`978b0000 00007ffd`978d7000   gdi32      (deferred)             
00007ffd`978e0000 00007ffd`97981000   advapi32   (deferred)             
00007ffd`97990000 00007ffd`979fc000   ws2_32     (deferred)             
00007ffd`97a00000 00007ffd`97a51000   shlwapi    (deferred)             
00007ffd`97c30000 00007ffd`97f29000   combase    (deferred)             
00007ffd`97ff0000 00007ffd`9801d000   imm32      (deferred)             
00007ffd`98020000 00007ffd`9816a000   user32     (deferred)             
00007ffd`98170000 00007ffd`9821a000   SHCore     (deferred)             
00007ffd`98730000 00007ffd`98855000   rpcrt4     (deferred)             
00007ffd`98860000 00007ffd`98a3b000   ntdll      (export symbols)       ntdll.dll
0:004> ~*kpn 0xFFFF

   0  Id: 33c4.3160 Suspend: 0 Teb: 00000000`0035c000 Unfrozen
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for mswsock.dll - 
 # Child-SP          RetAddr           Call Site
00 00000000`007feca8 00007ffd`945885a2 ntdll!ZwWaitForSingleObject+0x14
01 00000000`007fecb0 00007ffd`9458ede1 mswsock!Tcpip4_WSHOpenSocket2+0x312
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ws2_32.dll - 
02 00000000`007fed50 00007ffd`979a4493 mswsock!NSPStartup+0x2e11
*** WARNING: Unable to verify checksum for firebird.exe
03 00000000`007feee0 00000001`400b324f ws2_32!select+0x153
04 (Inline Function) --------`-------- firebird!Select::select+0x22 [H:\SNAPSHOTS\Firebird\src\remote\inet.cpp @ 467]
05 00000000`007fefc0 00000001`400b2fad firebird!select_wait(struct rem_port * main_port = 0x00000000`019d8bc0, class Select * selct = 0x00000000`019d04c0)+0x23f [H:\SNAPSHOTS\Firebird\src\remote\inet.cpp @ 2365]
06 00000000`007ff040 00000001`400116ee firebird!select_multi(struct rem_port * main_port = 0x00000000`019d8bc0, unsigned char * buffer = 0x00000000`019dd240 "", short bufsize = 0n8192, short * length = 0x00000000`007ff0d8, class Firebird::RefPtr<rem_port> * port = 0x00000000`007ff0d0)+0x2ed [H:\SNAPSHOTS\Firebird\src\remote\inet.cpp @ 2147]
07 00000000`007ff0a0 00000001`4000c038 firebird!SRVR_multi_thread(struct rem_port * main_port = 0x00000000`019d8bc0, unsigned short flags = 0x3470)+0x18e [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 1736]
08 00000000`007ff930 00000001`400c71de firebird!WinMain(struct HINSTANCE__ * hThisInst = 0x00000001`40000000, struct HINSTANCE__ * __formal = 0x00000000`0000000a, char * lpszArgs = 0x00000000`00000000 "", int nWndMode = 0n10)+0x278 [H:\SNAPSHOTS\Firebird\src\remote\server\os\win32\srvr_w32.cpp @ 296]
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for kernel32.dll - 
09 (Inline Function) --------`-------- firebird!invoke_main+0x21 [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl @ 102]
0a 00000000`007fff20 00007ffd`976b2784 firebird!__scrt_common_main_seh(void)+0x106 [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl @ 288]
0b 00000000`007fff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
0c 00000000`007fff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   1  Id: 33c4.2030 Suspend: 0 Teb: 00000000`0035e000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`00dffc48 00007ffd`988a1553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`00dffc50 00007ffd`976b2784 ntdll!TpReleaseWork+0x553
02 00000000`00dfff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`00dfff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   2  Id: 33c4.26b0 Suspend: 0 Teb: 00000000`00360000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`011ffc48 00007ffd`988a1553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`011ffc50 00007ffd`976b2784 ntdll!TpReleaseWork+0x553
02 00000000`011fff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`011fff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   3  Id: 33c4.2df8 Suspend: 0 Teb: 00000000`00362000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`015ffc48 00007ffd`988a1553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`015ffc50 00007ffd`976b2784 ntdll!TpReleaseWork+0x553
02 00000000`015fff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`015fff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

#  4  Id: 33c4.1534 Suspend: 0 Teb: 00000000`00364000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`0239ce98 00007ffd`94e2de90 ntdll!ZwWaitForMultipleObjects+0x14
01 00000000`0239cea0 00007ffd`94e2dd8e KERNELBASE!WaitForMultipleObjectsEx+0xf0
02 00000000`0239d1a0 00007ffd`976a191c KERNELBASE!WaitForMultipleObjects+0xe
03 00000000`0239d1e0 00007ffd`976a142f kernel32!BasepReportFault+0x58c
04 00000000`0239d790 00007ffd`94de6a6f kernel32!BasepReportFault+0x9f
05 00000000`0239d7d0 00007ffd`9890da9d KERNELBASE!UnhandledExceptionFilter+0x2af
06 00000000`0239d8e0 00007ffd`988f6466 ntdll!memset+0x1c5d
07 00000000`0239d910 00007ffd`9890a07d ntdll!_C_specific_handler+0x96
08 00000000`0239d980 00007ffd`98879c58 ntdll!_chkstk+0x11d
09 00000000`0239d9b0 00007ffd`989090fe ntdll!RtlLookupFunctionEntry+0xab8
0a 00000000`0239e0c0 00007ffd`49c66fdc ntdll!KiUserExceptionDispatcher+0x2e
*** WARNING: Unable to verify checksum for engine14.dll
0b 00000000`0239e840 00007ffd`49c4aaba engine14!Jrd::CryptoManager::read(class Jrd::thread_db * tdbb = 0x00000000`0239edc0, class Firebird::CheckStatusWrapper * sv = 0x00000000`0239ed98, struct Ods::pag * page = 0x00000000`0885a000, class Jrd::CryptoManager::IOCallback * io = 0x00000000`0239e908)+0x2c [H:\SNAPSHOTS\Firebird\src\jrd\CryptoManager.cpp @ 1196]
0c 00000000`0239e8c0 00007ffd`49c4a71e engine14!CCH_fetch_page(class Jrd::thread_db * tdbb = 0x00000000`0239edc0, struct Jrd::win * window = 0x00000000`0239ea20, bool read_shadow = true)+0x22a [H:\SNAPSHOTS\Firebird\src\jrd\cch.cpp @ 1030]
0d 00000000`0239e970 00007ffd`49c39ed9 engine14!CCH_fetch(class Jrd::thread_db * tdbb = 0x00000000`0239edc0, struct Jrd::win * window = 0x00000000`0239ea20, int lock_type = 0n6, char page_type = 0n6 '', int wait = 0n1, bool read_shadow = true)+0x6e [H:\SNAPSHOTS\Firebird\src\jrd\cch.cpp @ 817]
0e (Inline Function) --------`-------- engine14!CCH_FETCH+0x27 [H:\SNAPSHOTS\Firebird\src\jrd\cch_proto.h @ 84]
0f 00000000`0239e9c0 00007ffd`49cbfed6 engine14!BTR_fetch_root_for_update(char * from = 0x00007ffd`4a0759c0 "IDX_delete_indices", class Jrd::thread_db * tdbb = 0x00000000`0239edc0, struct Jrd::win * window = 0x00000000`0239ea20)+0x39 [H:\SNAPSHOTS\Firebird\src\jrd\btr.cpp @ 326]
10 00000000`0239ea00 00007ffd`49da3f9a engine14!IDX_delete_indices(class Jrd::thread_db * tdbb = 0x00000000`0239edc0, class Jrd::RelationPermanent * relation = 0x00000000`0898c3b0, class Jrd::RelationPages * relPages = <Value unavailable error>, bool withCleanup = false)+0x56 [H:\SNAPSHOTS\Firebird\src\jrd\idx.cpp @ 1089]
11 00000000`0239ea50 00007ffd`49c18604 engine14!Jrd::RelationPermanent::delPages(class Jrd::thread_db * tdbb = 0x00000000`0239edc0, unsigned int64 inst_id = <Value unavailable error>, class Jrd::RelationPages * aPages = <Value unavailable error>)+0x16a [H:\SNAPSHOTS\Firebird\src\jrd\Relation.cpp @ 491]
12 00000000`0239eab0 00007ffd`49c82e24 engine14!Jrd::DeclareLocalTableNode::reset(class Jrd::thread_db * tdbb = 0x00000000`0239edc0, class Jrd::Request * request = 0x00000000`00001000)+0x34 [H:\SNAPSHOTS\Firebird\src\dsql\StmtNodes.cpp @ 2165]
13 00000000`0239eae0 00007ffd`49c827d8 engine14!EXE_unwind(class Jrd::thread_db * tdbb = 0x00000000`00000003, class Jrd::Request * request = 0x00000000`08a21e00)+0x1f4 [H:\SNAPSHOTS\Firebird\src\jrd\exe.cpp @ 1268]
14 00000000`0239eb60 00007ffd`49dba894 engine14!EXE_release(class Jrd::thread_db * tdbb = 0x00000000`0239edc0, class Jrd::Request * request = 0x00000000`08a21e00)+0x28 [H:\SNAPSHOTS\Firebird\src\jrd\exe.cpp @ 884]
15 00000000`0239eb90 00007ffd`49da728a engine14!Jrd::Statement::release(class Jrd::thread_db * tdbb = 0x00000000`0239edc0)+0x94 [H:\SNAPSHOTS\Firebird\src\jrd\Statement.cpp @ 784]
16 00000000`0239ebc0 00007ffd`49ad72b0 engine14!Jrd::Routine::destroy(class Jrd::thread_db * tdbb = 0x00000000`0239d748, class Jrd::Routine * routine = 0x00000000`06f5b920)+0x1a [H:\SNAPSHOTS\Firebird\src\jrd\Routine.cpp @ 276]
17 (Inline Function) --------`-------- engine14!Jrd::ListEntry<Jrd::jrd_prc>::cleanup+0x11 [H:\SNAPSHOTS\Firebird\src\jrd\CacheVector.h @ 185]
18 (Inline Function) --------`-------- engine14!Jrd::CacheElement<Jrd::jrd_prc,Jrd::RoutinePermanent>::cleanup+0x1a [H:\SNAPSHOTS\Firebird\src\jrd\CacheVector.h @ 631]
19 (Inline Function) --------`-------- engine14!Jrd::CacheVector<Jrd::CacheElement<Jrd::jrd_prc,Jrd::RoutinePermanent>,8,Jrd::NoData>::cleanup+0x71 [H:\SNAPSHOTS\Firebird\src\jrd\CacheVector.h @ 1323]
1a 00000000`0239ebf0 00007ffd`49cdd95f engine14!Jrd::MetadataCache::cleanup(class Jrd::thread_db * tdbb = 0x00000000`0239edc0)+0x1a0 [H:\SNAPSHOTS\Firebird\gen\jrd\met.cpp @ 5712]
1b 00000000`0239ec50 00007ffd`49cf4a5a engine14!JRD_shutdown_database(class Jrd::Database * dbb = 0x00000000`06191dc0, unsigned int flags = 1)+0x76f [H:\SNAPSHOTS\Firebird\src\jrd\jrd.cpp @ 8209]
1c 00000000`0239ef20 00007ffd`49ce945d engine14!purge_attachment(class Jrd::thread_db * tdbb = 0x00000000`0239f460, class Jrd::StableAttachmentPart * sAtt = 0x00000000`05863810, unsigned int flags = 2)+0x53a [H:\SNAPSHOTS\Firebird\src\jrd\jrd.cpp @ 8639]
1d 00000000`0239f2e0 00007ffd`49ce1090 engine14!Jrd::JAttachment::freeEngineData(class Firebird::CheckStatusWrapper * user_status = 0x00000000`0239f5f0, bool forceFree = false)+0xed [H:\SNAPSHOTS\Firebird\src\jrd\jrd.cpp @ 3383]
*** WARNING: Unable to verify checksum for fbclient.dll
1e (Inline Function) --------`-------- engine14!Jrd::JAttachment::internalDetach+0x28 [H:\SNAPSHOTS\Firebird\src\jrd\jrd.cpp @ 3318]
1f (Inline Function) --------`-------- engine14!Jrd::JAttachment::detach+0x28 [H:\SNAPSHOTS\Firebird\src\jrd\jrd.cpp @ 3330]
20 00000000`0239f5d0 00007ffd`641b8436 engine14!Firebird::IAttachmentBaseImpl<Jrd::JAttachment,Firebird::CheckStatusWrapper,Firebird::IReferenceCountedImpl<Jrd::JAttachment,Firebird::CheckStatusWrapper,Firebird::Inherit<Firebird::IVersionedImpl<Jrd::JAttachment,Firebird::CheckStatusWrapper,Firebird::Inherit<Firebird::IAttachment> > > > >::cloopdetachDispatcher(class Firebird::IAttachment * self = 0x00000000`072cbcd8, class Firebird::IStatus * status = 0x00007ffd`641d5810)+0x40 [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 12710]
21 (Inline Function) --------`-------- fbclient!Why::YAttachment::detach::__l3::<lambda_1>::operator()+0xb0 [H:\SNAPSHOTS\Firebird\src\yvalve\why.cpp @ 6088]
22 (Inline Function) --------`-------- fbclient!std::invoke+0xb0 [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.43.34808\include\type_traits @ 1696]
23 00000000`0239f630 00007ffd`641accfd fbclient!std::_Func_impl_no_alloc<`Why::YAttachment::detach'::`3'::<lambda_1>,void>::_Do_call(void)+0xd6 [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.43.34808\include\functional @ 879]
24 (Inline Function) --------`-------- fbclient!std::_Func_class<void>::operator()+0x13 [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.43.34808\include\functional @ 925]
25 00000000`0239f6c0 00007ffd`641ca04c fbclient!Why::done<Why::YAttachment>(class Firebird::CheckStatusWrapper * status = 0x00000000`0239f800, class Why::YEntry<Why::YAttachment> * entry = 0x00000000`0239f730, class Why::YAttachment * y = 0x00000000`01a53860, class std::function<void __cdecl(void)> * newClose = 0x00000000`0239f790 {...}, class std::function<void __cdecl(void)> * oldClose = 0x00000000`0239f750 {...})+0x3d [H:\SNAPSHOTS\Firebird\src\yvalve\why.cpp @ 1363]
26 00000000`0239f700 00007ffd`641c433b fbclient!Why::YAttachment::detach(class Firebird::CheckStatusWrapper * status = 0x00000000`0239f800)+0xbc [H:\SNAPSHOTS\Firebird\src\yvalve\why.cpp @ 6086]
27 00000000`0239f7e0 00000001`4001b855 fbclient!Firebird::IAttachmentBaseImpl<Why::YAttachment,Firebird::CheckStatusWrapper,Firebird::IReferenceCountedImpl<Why::YAttachment,Firebird::CheckStatusWrapper,Firebird::Inherit<Firebird::IVersionedImpl<Why::YAttachment,Firebird::CheckStatusWrapper,Firebird::Inherit<Firebird::IAttachment> > > > >::cloopdetachDispatcher(class Firebird::IAttachment * self = 0x00000000`01a53868, class Firebird::IStatus * status = 0x00000000`0239f940)+0x2b [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 12710]
28 (Inline Function) --------`-------- firebird!Firebird::BaseStatusWrapper<Firebird::CheckStatusWrapper>::getState+0xb [H:\SNAPSHOTS\Firebird\src\include\firebird\Interface.h @ 263]
29 00000000`0239f840 00000001`40024141 firebird!rem_port::end_database(struct p_rlse * __formal = 0x00000000`019d8bc0, struct packet * sendL = 0x00000000`01a00058)+0xe5 [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 3276]
2a 00000000`0239f9a0 00000001`400224ee firebird!process_packet(struct rem_port * port = 0x00000000`019d8bc0, struct packet * sendL = 0x00000000`01a00058, struct packet * receive = 0x00000000`01a00630, struct rem_port ** result = 0x00000000`0239ff10)+0x2f1 [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 5187]
2b 00000000`0239fe10 00000001`40048267 firebird!loopThread(void * __formal = 0x00000000`00928cf0)+0x32e [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 6994]
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ucrtbase.dll - 
2c (Inline Function) --------`-------- firebird!`anonymous-namespace'::ThreadArgs::run+0x5 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 80]
2d 00000000`0239ff00 00007ffd`95170579 firebird!threadStart(void * arg = 0x00000000`019c2e50)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
2e 00000000`0239ff30 00007ffd`976b2784 ucrtbase!wcstombs_s_l+0xe9
2f 00000000`0239ff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
30 00000000`0239ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   5  Id: 33c4.e90 Suspend: 0 Teb: 00000000`00366000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`0279fc88 00007ffd`94e1994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`0279fc90 00007ffd`6422162f KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`0279fd30 00007ffd`64196ba9 fbclient!Firebird::Semaphore::tryEnter(int seconds = <Value unavailable error>, int milliseconds = <Value unavailable error>)+0x1f [H:\SNAPSHOTS\Firebird\src\common\classes\semaphore.cpp @ 87]
03 (Inline Function) --------`-------- fbclient!std::_Atomic_storage<__int64,8>::load+0x198 [C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.43.34808\include\atomic @ 1062]
04 (Inline Function) --------`-------- fbclient!Firebird::AtomicCounter::value+0x198 [H:\SNAPSHOTS\Firebird\src\common\classes\fb_atomic.h @ 49]
05 00000000`0279fd60 00007ffd`641fb747 fbclient!Why::`anonymous namespace'::TimerEntry::timeThread(void * __formal = 0x00000000`00000000)+0x1f9 [H:\SNAPSHOTS\Firebird\src\yvalve\MasterImplementation.cpp @ 262]
06 (Inline Function) --------`-------- fbclient!`anonymous-namespace'::ThreadArgs::run+0x5 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 80]
07 00000000`0279ff00 00007ffd`95170579 fbclient!threadStart(void * arg = 0x00000000`01a51a20)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`0279ff30 00007ffd`976b2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`0279ff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`0279ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   6  Id: 33c4.2fa4 Suspend: 0 Teb: 00000000`00368000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`04d4fd68 00007ffd`94e1994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`04d4fd70 00007ffd`49ecb0e5 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`04d4fe10 00007ffd`49e334d1 engine14!Firebird::SharedMemoryBase::eventWait(struct Firebird::event_t * event = 0x00000000`0494ff68, long value = 0n1, long micro_seconds = <Value unavailable error>)+0x45 [H:\SNAPSHOTS\Firebird\src\common\isc_sync.cpp @ 749]
03 00000000`04d4fe40 00007ffd`49e36317 engine14!Jrd::LockManager::blocking_action_thread(void)+0x161 [H:\SNAPSHOTS\Firebird\src\lock\lock.cpp @ 1548]
04 00000000`04d4fe90 00007ffd`49e36349 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 280]
05 00000000`04d4fed0 00007ffd`49eaf4f7 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void * arg = <Value unavailable error>)+0x9 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 273]
06 (Inline Function) --------`-------- engine14!`anonymous-namespace'::ThreadArgs::run+0x5 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 80]
07 00000000`04d4ff00 00007ffd`95170579 engine14!threadStart(void * arg = 0x00000000`047cfff0)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`04d4ff30 00007ffd`976b2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`04d4ff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`04d4ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   7  Id: 33c4.1780 Suspend: 0 Teb: 00000000`0036a000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`0677fd68 00007ffd`94e1994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`0677fd70 00007ffd`49ecb0e5 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`0677fe10 00007ffd`49d05ac4 engine14!Firebird::SharedMemoryBase::eventWait(struct Firebird::event_t * event = 0x00000000`06270498, long value = 0n1, long micro_seconds = <Value unavailable error>)+0x45 [H:\SNAPSHOTS\Firebird\src\common\isc_sync.cpp @ 749]
03 00000000`0677fe40 00007ffd`49d08cf7 engine14!`anonymous namespace'::MappingIpc::clearDeliveryThread(void)+0xc4 [H:\SNAPSHOTS\Firebird\src\jrd\Mapping.cpp @ 904]
04 00000000`0677fe90 00007ffd`49d08d19 engine14!ThreadFinishSync<`anonymous namespace'::MappingIpc *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 280]
05 00000000`0677fed0 00007ffd`49eaf4f7 engine14!ThreadFinishSync<`anonymous namespace'::MappingIpc *,0>::internalRun(void * arg = <Value unavailable error>)+0x9 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 273]
06 (Inline Function) --------`-------- engine14!`anonymous-namespace'::ThreadArgs::run+0x5 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 80]
07 00000000`0677ff00 00007ffd`95170579 engine14!threadStart(void * arg = 0x00000000`05853be0)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`0677ff30 00007ffd`976b2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`0677ff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`0677ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   8  Id: 33c4.69c Suspend: 0 Teb: 00000000`0036c000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`06d3fd68 00007ffd`94e1994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`06d3fd70 00007ffd`49ecb0e5 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`06d3fe10 00007ffd`49e334d1 engine14!Firebird::SharedMemoryBase::eventWait(struct Firebird::event_t * event = 0x00000000`068031c8, long value = 0n1, long micro_seconds = <Value unavailable error>)+0x45 [H:\SNAPSHOTS\Firebird\src\common\isc_sync.cpp @ 749]
03 00000000`06d3fe40 00007ffd`49e36317 engine14!Jrd::LockManager::blocking_action_thread(void)+0x161 [H:\SNAPSHOTS\Firebird\src\lock\lock.cpp @ 1548]
04 00000000`06d3fe90 00007ffd`49e36349 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 280]
05 00000000`06d3fed0 00007ffd`49eaf4f7 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void * arg = <Value unavailable error>)+0x9 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 273]
06 (Inline Function) --------`-------- engine14!`anonymous-namespace'::ThreadArgs::run+0x5 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 80]
07 00000000`06d3ff00 00007ffd`95170579 engine14!threadStart(void * arg = 0x00000000`0585ff30)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`06d3ff30 00007ffd`976b2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`06d3ff60 00007ffd`988d0d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`06d3ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21
0:004> q
quit:
NatVis script unloaded from 'C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\Visualizers\atlmfc.natvis'
NatVis script unloaded from 'C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\Visualizers\concurrency.natvis'
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Generated 26.07.2026  4:32:06.33 by "F:\FBQA\rundaily-2026\watch4dumps\watch4dumps-win.bat" on host: HOME-AUX2
Command: "C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\cdb.exe" -z "F:\temp\fbdumps\firebird.exe.13252.dmp" -y "F:\FBQA\rundaily-2026\unpacked-snapshot.tmp\FB60;F:\FBQA\rundaily-2026\unpacked-snapshot.tmp\FB60\plugins" -cf "F:\FBQA\rundaily-2026\watch4dumps\logs\watch4dumps-win.cdb_commands.20260726043159.txt" -lines -logo "F:\FBQA\rundaily-2026\watch4dumps\logs\20260726_040340_405.WI-T6_0_0_2097.13252.txt" 1>nul 2>F:\FBQA\rundaily-2026\watch4dumps\logs\watch4dumps-win.err
CDB scenario (file "F:\FBQA\rundaily-2026\watch4dumps\logs\watch4dumps-win.cdb_commands.20260726043159.txt"):
============
$$ https://docs.microsoft.com/en-us/windows-hardware/drivers/debugger/k--kb--kc--kd--kp--kp--kv--display-stack-backtrace-
lm
~*kpn 0xFFFF
q
============
