Opened log file 'F:\FBQA\rundaily-2026\watch4dumps\logs\20260625_025501_005.WI-T6_0_0_2028.9120.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.9120.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: Thu Jun 25 02:55:00.000 2026 (UTC + 3:00)
System Uptime: 22 days 17:21:01.031
Process Uptime: not available
...................................................
*** 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.
(23a0.2ef0): 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:
00007ffc`a93b5ef4 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`026e0000 00000000`027fd000   fbintl     (deferred)             
00000000`028d0000 00000000`028d3000   icudt77    (deferred)             
00000000`05b70000 00000000`05be1000   chacha     (deferred)             
00000001`40000000 00000001`40129000   firebird   (deferred)             
00000001`80000000 00000001`80008000   ib_util    (deferred)             
00007ffc`6d2f0000 00007ffc`6dc55000   engine14   (deferred)             
00007ffc`6e670000 00007ffc`6e9e1000   icuin77    (deferred)             
00007ffc`70510000 00007ffc`70784000   icuuc77    (deferred)             
00007ffc`73d40000 00007ffc`73de6000   comctl32   (deferred)             
00007ffc`76040000 00007ffc`760cd000   msvcp140   (deferred)             
00007ffc`760d0000 00007ffc`762e0000   fbclient   (deferred)             
00007ffc`8ee00000 00007ffc`8ee0f000   fbSampleKeyHolder   (deferred)             
00007ffc`8f370000 00007ffc`8f38e000   VCRUNTIME140   (deferred)             
00007ffc`8fb70000 00007ffc`8fb7c000   VCRUNTIME140_1   (deferred)             
00007ffc`99900000 00007ffc`9991b000   mpr        (deferred)             
00007ffc`9a280000 00007ffc`9a296000   NapiNSP    (deferred)             
00007ffc`9a400000 00007ffc`9a41a000   pnrpnsp    (deferred)             
00007ffc`9bd40000 00007ffc`9bd4e000   winrnr     (deferred)             
00007ffc`a26f0000 00007ffc`a2708000   nlaapi     (deferred)             
00007ffc`a4990000 00007ffc`a49c1000   ntmarta    (deferred)             
00007ffc`a4dd0000 00007ffc`a4e07000   IPHLPAPI   (deferred)             
00007ffc`a4e10000 00007ffc`a4eb4000   dnsapi     (deferred)             
00007ffc`a5030000 00007ffc`a508c000   mswsock    (deferred)             
00007ffc`a5650000 00007ffc`a5675000   bcrypt     (deferred)             
00007ffc`a5780000 00007ffc`a5795000   profapi    (deferred)             
00007ffc`a57c0000 00007ffc`a57d1000   kernel_appcore   (deferred)             
00007ffc`a57e0000 00007ffc`a582c000   powrprof   (deferred)             
00007ffc`a5a00000 00007ffc`a5a9a000   msvcp_win   (deferred)             
00007ffc`a5b50000 00007ffc`a5d99000   KERNELBASE   (export symbols)       KERNELBASE.dll
00007ffc`a5da0000 00007ffc`a5de9000   cfgmgr32   (deferred)             
00007ffc`a5df0000 00007ffc`a64e1000   windows_storage   (deferred)             
00007ffc`a64f0000 00007ffc`a655a000   bcryptPrimitives   (deferred)             
00007ffc`a6560000 00007ffc`a657e000   win32u     (deferred)             
00007ffc`a6580000 00007ffc`a6676000   ucrtbase   (deferred)             
00007ffc`a6680000 00007ffc`a6807000   gdi32full   (deferred)             
00007ffc`a6be0000 00007ffc`a6c0d000   imm32      (deferred)             
00007ffc`a6c10000 00007ffc`a6cb1000   advapi32   (deferred)             
00007ffc`a6fb0000 00007ffc`a705e000   kernel32   (deferred)             
00007ffc`a7060000 00007ffc`a7185000   rpcrt4     (deferred)             
00007ffc`a71f0000 00007ffc`a7241000   shlwapi    (deferred)             
00007ffc`a7270000 00007ffc`a731a000   SHCore     (deferred)             
00007ffc`a7320000 00007ffc`a7619000   combase    (deferred)             
00007ffc`a7a60000 00007ffc`a7acc000   ws2_32     (deferred)             
00007ffc`a7ad0000 00007ffc`a7b29000   sechost    (deferred)             
00007ffc`a7b30000 00007ffc`a7bcd000   msvcrt     (deferred)             
00007ffc`a7bd0000 00007ffc`a7bd8000   nsi        (deferred)             
00007ffc`a7be0000 00007ffc`a9018000   shell32    (deferred)             
00007ffc`a9040000 00007ffc`a9185000   ole32      (deferred)             
00007ffc`a9190000 00007ffc`a92da000   user32     (deferred)             
00007ffc`a92e0000 00007ffc`a9307000   gdi32      (deferred)             
00007ffc`a9310000 00007ffc`a94eb000   ntdll      (export symbols)       ntdll.dll
0:004> ~*kpn 0xFFFF

   0  Id: 23a0.29b0 Suspend: 0 Teb: 00000000`002f9000 Unfrozen
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for mswsock.dll - 
 # Child-SP          RetAddr           Call Site
00 00000000`007feca8 00007ffc`a50385a2 ntdll!ZwWaitForSingleObject+0x14
01 00000000`007fecb0 00007ffc`a503ede1 mswsock!Tcpip4_WSHOpenSocket2+0x312
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ws2_32.dll - 
02 00000000`007fed50 00007ffc`a7a74493 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`400c6ece 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 00007ffc`a6fc2784 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 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
0c 00000000`007fff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   1  Id: 23a0.20b0 Suspend: 0 Teb: 00000000`002fb000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`00dbfc48 00007ffc`a9351553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`00dbfc50 00007ffc`a6fc2784 ntdll!TpReleaseWork+0x553
02 00000000`00dbff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`00dbff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   2  Id: 23a0.2784 Suspend: 0 Teb: 00000000`002fd000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`011bfc48 00007ffc`a9351553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`011bfc50 00007ffc`a6fc2784 ntdll!TpReleaseWork+0x553
02 00000000`011bff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`011bff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   3  Id: 23a0.2ecc Suspend: 0 Teb: 00000000`002ff000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`015bfc48 00007ffc`a9351553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`015bfc50 00007ffc`a6fc2784 ntdll!TpReleaseWork+0x553
02 00000000`015bff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`015bff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

#  4  Id: 23a0.2ef0 Suspend: 0 Teb: 00000000`00301000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`0227bd98 00007ffc`a5b9de90 ntdll!ZwWaitForMultipleObjects+0x14
01 00000000`0227bda0 00007ffc`a5b9dd8e KERNELBASE!WaitForMultipleObjectsEx+0xf0
02 00000000`0227c0a0 00007ffc`a6fb191c KERNELBASE!WaitForMultipleObjects+0xe
03 00000000`0227c0e0 00007ffc`a6fb142f kernel32!BasepReportFault+0x58c
04 00000000`0227c690 00007ffc`a5b56a6f kernel32!BasepReportFault+0x9f
05 00000000`0227c6d0 00007ffc`a93bda9d KERNELBASE!UnhandledExceptionFilter+0x2af
06 00000000`0227c7e0 00007ffc`a93a6466 ntdll!memset+0x1c5d
07 00000000`0227c810 00007ffc`a93ba07d ntdll!_C_specific_handler+0x96
08 00000000`0227c880 00007ffc`a9329c58 ntdll!_chkstk+0x11d
09 00000000`0227c8b0 00007ffc`a93b90fe ntdll!RtlLookupFunctionEntry+0xab8
0a 00000000`0227cfc0 00007ffc`6d409707 ntdll!KiUserExceptionDispatcher+0x2e
*** WARNING: Unable to verify checksum for engine14.dll
0b 00000000`0227d740 00007ffc`6d369c32 engine14!Jrd::dsql_rel::dsql_rel(class Firebird::MemoryPool * p = 0x00000000`0653b610, class Jrd::jrd_rel * jrel = 0x00000000`065a7af0)+0x107 [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 1369]
0c 00000000`0227d7a0 00007ffc`6d41c3e4 engine14!METD_get_relation(class Jrd::jrd_tra * transaction = 0x00000000`06435fc0, class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`06bbf5c0, class Firebird::BaseQualifiedName<Jrd::MetaName> * name = 0x00000000`0227d8a0)+0x4a2 [H:\SNAPSHOTS\Firebird\gen\dsql\metd.cpp @ 1647]
0d 00000000`0227d880 00007ffc`6d4c4f4b engine14!Jrd::DsqlCompilerScratch::resolveRoutineOrRelation(class Firebird::BaseQualifiedName<Jrd::MetaName> * name = 0x00000000`0227d9e0, class std::initializer_list<short> * objectTypes = 0x00000000`0227d9d0 { size=2 })+0x384 [H:\SNAPSHOTS\Firebird\src\dsql\DsqlCompilerScratch.cpp @ 175]
0e 00000000`0227d950 00007ffc`6d4c658f engine14!PASS1_make_context(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`06bbf5c0, class Jrd::RecordSourceNode * relationNode = <Value unavailable error>)+0x2fb [H:\SNAPSHOTS\Firebird\src\dsql\pass1.cpp @ 393]
0f 00000000`0227dd70 00007ffc`6d647891 engine14!PASS1_relation(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`06bbf5c0, class Jrd::RecordSourceNode * input = <Value unavailable error>)+0x2f [H:\SNAPSHOTS\Firebird\src\dsql\pass1.cpp @ 1801]
10 00000000`0227ddc0 00007ffc`6d4ec59a engine14!dsqlPassRelProc(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`06bbf5c0, class Jrd::RecordSourceNode * source = <Value unavailable error>)+0x501 [H:\SNAPSHOTS\Firebird\src\jrd\RecordSourceNodes.cpp @ 4544]
11 (Inline Function) --------`-------- engine14!Jrd::Node::doDsqlPass+0x15 [H:\SNAPSHOTS\Firebird\src\dsql\Nodes.h @ 142]
12 (Inline Function) --------`-------- engine14!Jrd::Node::doDsqlPass+0x2a [H:\SNAPSHOTS\Firebird\src\dsql\Nodes.h @ 158]
13 00000000`0227df30 00007ffc`6d4dd205 engine14!Jrd::ModifyNode::internalDsqlPass(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`06010000, bool updateOrInsert = false)+0x6da [H:\SNAPSHOTS\Firebird\src\dsql\StmtNodes.cpp @ 8272]
14 00000000`0227e020 00007ffc`6d426737 engine14!Jrd::ModifyNode::dsqlPass(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`06bbf5c0)+0x15 [H:\SNAPSHOTS\Firebird\src\dsql\StmtNodes.cpp @ 8361]
15 (Inline Function) --------`-------- engine14!Jrd::Node::doDsqlPass+0x1a [H:\SNAPSHOTS\Firebird\src\dsql\Nodes.h @ 132]
16 00000000`0227e050 00007ffc`6d40d96a engine14!Jrd::DsqlDmlStatement::dsqlPass(class Jrd::thread_db * tdbb = 0x00000000`0227eb98, class Jrd::DsqlCompilerScratch * scratch = 0x00000000`06bbf5c0, unsigned int * traceResult = 0x00000000`0227e734)+0x97 [H:\SNAPSHOTS\Firebird\src\dsql\DsqlStatements.cpp @ 142]
17 00000000`0227e220 00007ffc`6d40d11b engine14!prepareStatement(class Jrd::thread_db * tdbb = 0x00000000`0227eb98, class Jrd::dsql_dbb * database = 0x00000000`0652ecb0, class Jrd::jrd_tra * transaction = 0x00000000`065fd1b0, unsigned long textLength = 0x2a, char * text = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned short clientDialect = 3, unsigned int prepareFlags = 0x47, bool isInternalRequest = false, unsigned int * traceResult = 0x00000000`0227e734)+0x7ca [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 667]
18 00000000`0227e6e0 00007ffc`6d40dd88 engine14!prepareRequest(class Jrd::thread_db * tdbb = 0x00000000`0227eb98, class Jrd::dsql_dbb * database = 0x00000000`0652ecb0, class Jrd::jrd_tra * transaction = 0x00000000`06435fc0, unsigned long textLength = 0x2a, char * text = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned short clientDialect = 3, unsigned int prepareFlags = 0x47, bool isInternalRequest = false)+0x14b [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 488]
19 00000000`0227e890 00007ffc`6d40b20c engine14!safePrepareRequest(class Jrd::thread_db * tdbb = 0x00000000`0227eb98, class Jrd::dsql_dbb * database = 0x00007ffc`6d78b256, class Jrd::jrd_tra * transaction = 0x00000000`05213150, unsigned long textLength = 0x5213150, char * text = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned short clientDialect = 3, unsigned int prepareFlags = 0x47, bool isInternalRequest = false)+0x98 [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 470]
1a 00000000`0227e910 00007ffc`6d5dbfa3 engine14!DSQL_prepare(class Jrd::thread_db * tdbb = 0x00000000`0227eb98, class Jrd::Attachment * attachment = 0x00000000`06190080, class Jrd::jrd_tra * transaction = 0x00000000`06435fc0, unsigned long length = 0x2a, char * string = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned short dialect = 3, unsigned int prepareFlags = 0x47, class Firebird::Array<unsigned char,Firebird::EmptyStorage<unsigned char> > * items = 0x00000000`0227ea38, class Firebird::Array<unsigned char,Firebird::EmptyStorage<unsigned char> > * buffer = 0x00000000`0227ea20, bool isInternalRequest = false)+0xfc [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 276]
1b 00000000`0227e9c0 00007ffc`6d5cb0da engine14!Jrd::JAttachment::prepare(class Firebird::CheckStatusWrapper * user_status = 0x00000000`0227ed60, class Firebird::ITransaction * apiTra = 0x00000000`066461a8, unsigned int stmtLength = 0x2a, char * sqlStmt = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned int dialect = 3, unsigned int flags = 0x47)+0x1d3 [H:\SNAPSHOTS\Firebird\src\jrd\jrd.cpp @ 5745]
*** WARNING: Unable to verify checksum for fbclient.dll
1c 00000000`0227ed20 00007ffc`76153d3a 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> > > > >::cloopprepareDispatcher(class Firebird::IAttachment * self = 0x00000000`0663bbb8, class Firebird::IStatus * status = 0x00000000`0663bbb8, class Firebird::ITransaction * tra = 0x00000000`066461a8, unsigned int stmtLength = 0x2a, char * sqlStmt = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned int dialect = 3, unsigned int flags = 0x47)+0x6a [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 12506]
1d (Inline Function) --------`-------- fbclient!Firebird::IAttachment::prepare+0x5a [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 2698]
1e 00000000`0227eda0 00007ffc`76145eda fbclient!Why::YAttachment::prepare(class Firebird::CheckStatusWrapper * status = 0x00000000`0227ee80, class Firebird::ITransaction * transaction = 0x00000000`01a53958, unsigned int stmtLength = 0x2a, char * sqlStmt = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned int dialect = 3, unsigned int flags = 0x47)+0xda [H:\SNAPSHOTS\Firebird\src\yvalve\why.cpp @ 5678]
1f 00000000`0227ee40 00000001`40023b9b 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> > > > >::cloopprepareDispatcher(class Firebird::IAttachment * self = 0x00000000`01a535e8, class Firebird::IStatus * status = 0x00000000`01a535e8, class Firebird::ITransaction * tra = 0x00000000`01a53958, unsigned int stmtLength = 0x2a, char * sqlStmt = 0x00000000`01a2cbb0 "update test set x = x + 654321 returning x", unsigned int dialect = 3, unsigned int flags = 0x47)+0x6a [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 12506]
20 (Inline Function) --------`-------- firebird!Firebird::IAttachment::prepare+0x4b [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 2698]
21 00000000`0227eec0 00000001`40024434 firebird!rem_port::prepare_statement(struct p_sqlst * prepareL = 0x00000000`01a03ac0, struct packet * sendL = <Value unavailable error>)+0x3eb [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 4990]
22 00000000`0227f9a0 00000001`400225ee firebird!process_packet(struct rem_port * port = 0x00000000`019d8bc0, struct packet * sendL = 0x00000000`01a031d8, struct packet * receive = 0x00000000`01a037b0, struct rem_port ** result = 0x00000000`0227ff10)+0x4e4 [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 5291]
23 00000000`0227fe10 00000001`400481a7 firebird!loopThread(void * __formal = 0x00000000`008f0390)+0x32e [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 6988]
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ucrtbase.dll - 
24 (Inline Function) --------`-------- firebird!`anonymous-namespace'::ThreadArgs::run+0x5 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 80]
25 00000000`0227ff00 00007ffc`a65a0579 firebird!threadStart(void * arg = 0x00000000`019c2e50)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
26 00000000`0227ff30 00007ffc`a6fc2784 ucrtbase!wcstombs_s_l+0xe9
27 00000000`0227ff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
28 00000000`0227ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   5  Id: 23a0.2ca8 Suspend: 0 Teb: 00000000`00303000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`0267fc88 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`0267fc90 00007ffc`761a153f KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`0267fd30 00007ffc`76116af9 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`0267fd60 00007ffc`7617b697 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`0267ff00 00007ffc`a65a0579 fbclient!threadStart(void * arg = 0x00000000`01a51a20)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`0267ff30 00007ffc`a6fc2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`0267ff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`0267ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   6  Id: 23a0.3c5c Suspend: 0 Teb: 00000000`00305000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`04d4fd68 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`04d4fd70 00007ffc`6d7b07c5 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`04d4fe10 00007ffc`6d71aa91 engine14!Firebird::SharedMemoryBase::eventWait(struct Firebird::event_t * event = 0x00000000`0494fd88, long value = 0n1, long micro_seconds = <Value unavailable error>)+0x45 [H:\SNAPSHOTS\Firebird\src\common\isc_sync.cpp @ 749]
03 00000000`04d4fe40 00007ffc`6d71d8d7 engine14!Jrd::LockManager::blocking_action_thread(void)+0x161 [H:\SNAPSHOTS\Firebird\src\lock\lock.cpp @ 1548]
04 00000000`04d4fe90 00007ffc`6d71d909 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 280]
05 00000000`04d4fed0 00007ffc`6d794bb7 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 00007ffc`a65a0579 engine14!threadStart(void * arg = 0x00000000`047cfff0)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`04d4ff30 00007ffc`a6fc2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`04d4ff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`04d4ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   7  Id: 23a0.3934 Suspend: 0 Teb: 00000000`00307000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`0612fd68 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`0612fd70 00007ffc`6d7b07c5 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`0612fe10 00007ffc`6d5ee054 engine14!Firebird::SharedMemoryBase::eventWait(struct Firebird::event_t * event = 0x00000000`05c20498, long value = 0n1, long micro_seconds = <Value unavailable error>)+0x45 [H:\SNAPSHOTS\Firebird\src\common\isc_sync.cpp @ 749]
03 00000000`0612fe40 00007ffc`6d5f1287 engine14!`anonymous namespace'::MappingIpc::clearDeliveryThread(void)+0xc4 [H:\SNAPSHOTS\Firebird\src\jrd\Mapping.cpp @ 904]
04 00000000`0612fe90 00007ffc`6d5f12a9 engine14!ThreadFinishSync<`anonymous namespace'::MappingIpc *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 280]
05 00000000`0612fed0 00007ffc`6d794bb7 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`0612ff00 00007ffc`a65a0579 engine14!threadStart(void * arg = 0x00000000`05203be0)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`0612ff30 00007ffc`a6fc2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`0612ff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`0612ff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   8  Id: 23a0.e98 Suspend: 0 Teb: 00000000`00309000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`06a4fd68 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`06a4fd70 00007ffc`6d7b07c5 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`06a4fe10 00007ffc`6d71aa91 engine14!Firebird::SharedMemoryBase::eventWait(struct Firebird::event_t * event = 0x00000000`061b6fe0, long value = 0n6, long micro_seconds = <Value unavailable error>)+0x45 [H:\SNAPSHOTS\Firebird\src\common\isc_sync.cpp @ 749]
03 00000000`06a4fe40 00007ffc`6d71d8d7 engine14!Jrd::LockManager::blocking_action_thread(void)+0x161 [H:\SNAPSHOTS\Firebird\src\lock\lock.cpp @ 1548]
04 00000000`06a4fe90 00007ffc`6d71d909 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 280]
05 00000000`06a4fed0 00007ffc`6d794bb7 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`06a4ff00 00007ffc`a65a0579 engine14!threadStart(void * arg = 0x00000000`0520ff30)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`06a4ff30 00007ffc`a6fc2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`06a4ff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`06a4ff90 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 25.06.2026  4:30:53.28 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.9120.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.20260625043046.txt" -lines -logo "F:\FBQA\rundaily-2026\watch4dumps\logs\20260625_025501_005.WI-T6_0_0_2028.9120.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.20260625043046.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
============
