Opened log file 'F:\FBQA\rundaily-2026\watch4dumps\logs\20260605_025334_144.WI-T6_0_0_1995.8800.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.8800.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: Fri Jun  5 02:53:33.000 2026 (UTC + 3:00)
System Uptime: 2 days 17:19:08.830
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.
(2260.2158): 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`01ba0000 00000000`01ba3000   icudt77    (deferred)             
00000000`027e0000 00000000`028fd000   fbintl     (deferred)             
00000000`05b70000 00000000`05be1000   chacha     (deferred)             
00000001`40000000 00000001`4012d000   firebird   (deferred)             
00000001`80000000 00000001`80008000   ib_util    (deferred)             
00007ffc`73d40000 00007ffc`73de6000   comctl32   (deferred)             
00007ffc`74f40000 00007ffc`752b1000   icuin77    (deferred)             
00007ffc`752c0000 00007ffc`75be2000   engine14   (deferred)             
00007ffc`774b0000 00007ffc`77724000   icuuc77    (deferred)             
00007ffc`77730000 00007ffc`77943000   fbclient   (deferred)             
00007ffc`8f010000 00007ffc`8f09d000   msvcp140   (deferred)             
00007ffc`8f480000 00007ffc`8f48f000   fbSampleKeyHolder   (deferred)             
00007ffc`99900000 00007ffc`9991b000   mpr        (deferred)             
00007ffc`99de0000 00007ffc`99dec000   VCRUNTIME140_1   (deferred)             
00007ffc`99df0000 00007ffc`99e0e000   VCRUNTIME140   (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: 2260.7b8 Suspend: 0 Teb: 00000000`00373000 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`400b640f ws2_32!select+0x153
04 (Inline Function) --------`-------- firebird!Select::select+0x22 [H:\SNAPSHOTS\Firebird\src\remote\inet.cpp @ 467]
05 00000000`007fefc0 00000001`400b616d firebird!select_wait(struct rem_port * main_port = 0x00000000`017b8bc0, class Select * selct = 0x00000000`017b04c0)+0x23f [H:\SNAPSHOTS\Firebird\src\remote\inet.cpp @ 2365]
06 00000000`007ff040 00000001`400116be firebird!select_multi(struct rem_port * main_port = 0x00000000`017b8bc0, unsigned char * buffer = 0x00000000`017bd240 "", 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`4000c008 firebird!SRVR_multi_thread(struct rem_port * main_port = 0x00000000`017b8bc0, unsigned short flags = 0x3470)+0x18e [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 1736]
08 00000000`007ff930 00000001`400c9ece 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: 2260.28f0 Suspend: 0 Teb: 00000000`00375000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`00dcfc48 00007ffc`a9351553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`00dcfc50 00007ffc`a6fc2784 ntdll!TpReleaseWork+0x553
02 00000000`00dcff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`00dcff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   2  Id: 2260.13ec Suspend: 0 Teb: 00000000`00377000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`011cfc48 00007ffc`a9351553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`011cfc50 00007ffc`a6fc2784 ntdll!TpReleaseWork+0x553
02 00000000`011cff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`011cff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   3  Id: 2260.18e0 Suspend: 0 Teb: 00000000`00379000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`015cfc48 00007ffc`a9351553 ntdll!ZwWaitForWorkViaWorkerFactory+0x14
01 00000000`015cfc50 00007ffc`a6fc2784 ntdll!TpReleaseWork+0x553
02 00000000`015cff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
03 00000000`015cff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

#  4  Id: 2260.2158 Suspend: 0 Teb: 00000000`0037b000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`023dbd98 00007ffc`a5b9de90 ntdll!ZwWaitForMultipleObjects+0x14
01 00000000`023dbda0 00007ffc`a5b9dd8e KERNELBASE!WaitForMultipleObjectsEx+0xf0
02 00000000`023dc0a0 00007ffc`a6fb191c KERNELBASE!WaitForMultipleObjects+0xe
03 00000000`023dc0e0 00007ffc`a6fb142f kernel32!BasepReportFault+0x58c
04 00000000`023dc690 00007ffc`a5b56a6f kernel32!BasepReportFault+0x9f
05 00000000`023dc6d0 00007ffc`a93bda9d KERNELBASE!UnhandledExceptionFilter+0x2af
06 00000000`023dc7e0 00007ffc`a93a6466 ntdll!memset+0x1c5d
07 00000000`023dc810 00007ffc`a93ba07d ntdll!_C_specific_handler+0x96
08 00000000`023dc880 00007ffc`a9329c58 ntdll!_chkstk+0x11d
09 00000000`023dc8b0 00007ffc`a93b90fe ntdll!RtlLookupFunctionEntry+0xab8
0a 00000000`023dcfc0 00007ffc`753d0517 ntdll!KiUserExceptionDispatcher+0x2e
*** WARNING: Unable to verify checksum for engine14.dll
0b 00000000`023dd750 00007ffc`75336dd6 engine14!Jrd::dsql_rel::dsql_rel(class Firebird::MemoryPool * p = 0x00000000`0656d650, class Jrd::jrd_rel * jrel = 0x00000000`065aacc0)+0x107 [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 1369]
0c 00000000`023dd7b0 00007ffc`753e2264 engine14!METD_get_relation(class Jrd::jrd_tra * transaction = 0x00000000`06435fc0, class Jrd::DsqlCompilerScratch * dsqlScratch = <Value unavailable error>, class Firebird::BaseQualifiedName<Jrd::MetaName> * name = 0x00000000`023dd8b0)+0x486 [H:\SNAPSHOTS\Firebird\gen\dsql\metd.cpp @ 1646]
0d 00000000`023dd890 00007ffc`75460c4b engine14!Jrd::DsqlCompilerScratch::resolveRoutineOrRelation(class Firebird::BaseQualifiedName<Jrd::MetaName> * name = 0x00000000`023dd9f0, class std::initializer_list<short> * objectTypes = 0x00000000`023dd9e0 { size=2 })+0x384 [H:\SNAPSHOTS\Firebird\src\dsql\DsqlCompilerScratch.cpp @ 174]
0e 00000000`023dd960 00007ffc`7546228f engine14!PASS1_make_context(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`0657b140, class Jrd::RecordSourceNode * relationNode = <Value unavailable error>)+0x2fb [H:\SNAPSHOTS\Firebird\src\dsql\pass1.cpp @ 393]
0f 00000000`023ddd80 00007ffc`755df961 engine14!PASS1_relation(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`0657b140, class Jrd::RecordSourceNode * input = <Value unavailable error>)+0x2f [H:\SNAPSHOTS\Firebird\src\dsql\pass1.cpp @ 1801]
10 00000000`023dddd0 00007ffc`75487f4a engine14!dsqlPassRelProc(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`0657b140, class Jrd::RecordSourceNode * source = <Value unavailable error>)+0x501 [H:\SNAPSHOTS\Firebird\src\jrd\RecordSourceNodes.cpp @ 4540]
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`023ddf40 00007ffc`75478db5 engine14!Jrd::ModifyNode::internalDsqlPass(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`06010000, bool updateOrInsert = false)+0x6da [H:\SNAPSHOTS\Firebird\src\dsql\StmtNodes.cpp @ 8218]
14 00000000`023de030 00007ffc`753ec5b7 engine14!Jrd::ModifyNode::dsqlPass(class Jrd::DsqlCompilerScratch * dsqlScratch = 0x00000000`0657b140)+0x15 [H:\SNAPSHOTS\Firebird\src\dsql\StmtNodes.cpp @ 8307]
15 (Inline Function) --------`-------- engine14!Jrd::Node::doDsqlPass+0x1a [H:\SNAPSHOTS\Firebird\src\dsql\Nodes.h @ 132]
16 00000000`023de060 00007ffc`753d475a engine14!Jrd::DsqlDmlStatement::dsqlPass(class Jrd::thread_db * tdbb = 0x00000000`023deb98, class Jrd::DsqlCompilerScratch * scratch = 0x00000000`0657b140, unsigned int * traceResult = 0x00000000`023de734)+0x97 [H:\SNAPSHOTS\Firebird\src\dsql\DsqlStatements.cpp @ 142]
17 00000000`023de230 00007ffc`753d3f0b engine14!prepareStatement(class Jrd::thread_db * tdbb = 0x00000000`023deb98, class Jrd::dsql_dbb * database = 0x00000000`0654ecb0, class Jrd::jrd_tra * transaction = 0x00000000`0662d230, 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`023de734)+0x7ca [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 667]
18 00000000`023de6e0 00007ffc`753d4b78 engine14!prepareRequest(class Jrd::thread_db * tdbb = 0x00000000`023deb98, class Jrd::dsql_dbb * database = 0x00000000`0654ecb0, 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`023de890 00007ffc`753d1ffc engine14!safePrepareRequest(class Jrd::thread_db * tdbb = 0x00000000`023deb98, class Jrd::dsql_dbb * database = 0x00007ffc`757230d6, 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`023de910 00007ffc`75574063 engine14!DSQL_prepare(class Jrd::thread_db * tdbb = 0x00000000`023deb98, 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`023dea38, class Firebird::Array<unsigned char,Firebird::EmptyStorage<unsigned char> > * buffer = 0x00000000`023dea20, bool isInternalRequest = false)+0xfc [H:\SNAPSHOTS\Firebird\src\dsql\dsql.cpp @ 276]
1b 00000000`023de9c0 00007ffc`7556319a engine14!Jrd::JAttachment::prepare(class Firebird::CheckStatusWrapper * user_status = 0x00000000`023ded60, class Firebird::ITransaction * apiTra = 0x00000000`06474028, 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`023ded20 00007ffc`777b390a 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`05216518, class Firebird::IStatus * status = 0x00000000`05216518, class Firebird::ITransaction * tra = 0x00000000`06474028, 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 @ 12339]
1d (Inline Function) --------`-------- fbclient!Firebird::IAttachment::prepare+0x5a [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 2695]
1e 00000000`023deda0 00007ffc`777a5aaa fbclient!Why::YAttachment::prepare(class Firebird::CheckStatusWrapper * status = 0x00000000`023dee80, 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`023dee40 00000001`40023b6b 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 @ 12339]
20 (Inline Function) --------`-------- firebird!Firebird::IAttachment::prepare+0x4b [H:\SNAPSHOTS\Firebird\src\include\firebird\IdlFbInterfaces.h @ 2695]
21 00000000`023deec0 00000001`40024404 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`023df9a0 00000001`400225be firebird!process_packet(struct rem_port * port = 0x00000000`017b8bc0, struct packet * sendL = 0x00000000`01a031d8, struct packet * receive = 0x00000000`01a037b0, struct rem_port ** result = 0x00000000`023dff10)+0x4e4 [H:\SNAPSHOTS\Firebird\src\remote\server\server.cpp @ 5291]
23 00000000`023dfe10 00000001`400480a7 firebird!loopThread(void * __formal = 0x00000000`008e2bc0)+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`023dff00 00007ffc`a65a0579 firebird!threadStart(void * arg = 0x00000000`017a2e50)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
26 00000000`023dff30 00007ffc`a6fc2784 ucrtbase!wcstombs_s_l+0xe9
27 00000000`023dff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
28 00000000`023dff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   5  Id: 2260.2820 Suspend: 0 Teb: 00000000`0037d000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`027dfc88 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`027dfc90 00007ffc`7780103f KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`027dfd30 00007ffc`777766c9 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`027dfd60 00007ffc`777db197 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`027dff00 00007ffc`a65a0579 fbclient!threadStart(void * arg = 0x00000000`01a51a20)+0x67 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.cpp @ 97]
08 00000000`027dff30 00007ffc`a6fc2784 ucrtbase!wcstombs_s_l+0xe9
09 00000000`027dff60 00007ffc`a9380d51 kernel32!BaseThreadInitThunk+0x14
0a 00000000`027dff90 00000000`00000000 ntdll!RtlUserThreadStart+0x21

   6  Id: 2260.a70 Suspend: 0 Teb: 00000000`0037f000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`04d4fd68 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`04d4fd70 00007ffc`75748645 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`04d4fe10 00007ffc`756b29a1 engine14!Firebird::SharedMemoryBase::eventWait(struct Firebird::event_t * event = 0x00000000`04942fc0, long value = 0n1, long micro_seconds = <Value unavailable error>)+0x45 [H:\SNAPSHOTS\Firebird\src\common\isc_sync.cpp @ 749]
03 00000000`04d4fe40 00007ffc`756b57e7 engine14!Jrd::LockManager::blocking_action_thread(void)+0x161 [H:\SNAPSHOTS\Firebird\src\lock\lock.cpp @ 1548]
04 00000000`04d4fe90 00007ffc`756b5819 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 272]
05 00000000`04d4fed0 00007ffc`7572ca37 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void * arg = <Value unavailable error>)+0x9 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 265]
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: 2260.cf8 Suspend: 0 Teb: 00000000`00381000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`0612fd68 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`0612fd70 00007ffc`75748645 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`0612fe10 00007ffc`75586114 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`75589347 engine14!`anonymous namespace'::MappingIpc::clearDeliveryThread(void)+0xc4 [H:\SNAPSHOTS\Firebird\src\jrd\Mapping.cpp @ 904]
04 00000000`0612fe90 00007ffc`75589369 engine14!ThreadFinishSync<`anonymous namespace'::MappingIpc *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 272]
05 00000000`0612fed0 00007ffc`7572ca37 engine14!ThreadFinishSync<`anonymous namespace'::MappingIpc *,0>::internalRun(void * arg = <Value unavailable error>)+0x9 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 265]
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: 2260.c7c Suspend: 0 Teb: 00000000`00383000 Unfrozen
 # Child-SP          RetAddr           Call Site
00 00000000`06a4fd68 00007ffc`a5b8994f ntdll!ZwWaitForSingleObject+0x14
01 00000000`06a4fd70 00007ffc`75748645 KERNELBASE!WaitForSingleObjectEx+0x9f
02 00000000`06a4fe10 00007ffc`756b29a1 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`756b57e7 engine14!Jrd::LockManager::blocking_action_thread(void)+0x161 [H:\SNAPSHOTS\Firebird\src\lock\lock.cpp @ 1548]
04 00000000`06a4fe90 00007ffc`756b5819 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void)+0x17 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 272]
05 00000000`06a4fed0 00007ffc`7572ca37 engine14!ThreadFinishSync<Jrd::LockManager *,0>::internalRun(void * arg = <Value unavailable error>)+0x9 [H:\SNAPSHOTS\Firebird\src\common\ThreadStart.h @ 265]
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'
NatVis script unloaded from 'C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\Visualizers\cpp_rest.natvis'
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NatVis script unloaded from 'C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\Visualizers\Windows.Devices.Sensors.natvis'
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Generated 05.06.2026  4:26:15.74 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.8800.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.20260605042609.txt" -lines -logo "F:\FBQA\rundaily-2026\watch4dumps\logs\20260605_025334_144.WI-T6_0_0_1995.8800.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.20260605042609.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
============
