[M3devel] debugging paranoidgc?

Sat Oct 31 19:08:27 CET 2009

What changes did you make to RTCollector recently?  Something changed  
somewhere *recently* to break GC.

On 31 Oct 2009, at 09:40, Jay K wrote:

> I'm not sure why/what-changed and maybe this is good, maybe this is  
> bad, but Juno is now crashing for me every time on Windows with  
> @paranoidgc. Tips to debug it?
>
>
> Microsoft (R) Windows Debugger Version 6.9.0003.113 X86
> Copyright (c) Microsoft Corporation. All rights reserved.
> CommandLine: C:\cm3\bin\Juno.exe @M3no-trestle-await-delete  
> @M3paranoidgc
> Symbol search path is: SRV*C:\symbols*http://msdl.microsoft.com/download/symbols
> Executable search path is:
> ModLoad: 00400000 004c7000   Juno.exe
> ModLoad: 7c900000 7c9b2000   ntdll.dll
> ModLoad: 7c800000 7c8f6000   C:\WINDOWS2\system32\kernel32.dll
> ModLoad: 10000000 10063000   C:\cm3\bin\juno-compiler.dll
> ModLoad: 00330000 00360000   C:\cm3\bin\juno-machine.dll
> ModLoad: 004d0000 005bc000   C:\cm3\bin\m3.dll
> ModLoad: 005c0000 00e36000   C:\cm3\bin\m3core.dll
> ModLoad: 5d090000 5d12a000   C:\WINDOWS2\system32\comctl32.dll
> ModLoad: 77dd0000 77e6b000   C:\WINDOWS2\system32\ADVAPI32.dll
> ModLoad: 77e70000 77f02000   C:\WINDOWS2\system32\RPCRT4.dll
> ModLoad: 77fe0000 77ff1000   C:\WINDOWS2\system32\Secur32.dll
> ModLoad: 77f10000 77f59000   C:\WINDOWS2\system32\GDI32.dll
> ModLoad: 7e410000 7e4a1000   C:\WINDOWS2\system32\USER32.dll
> ModLoad: 77c10000 77c68000   C:\WINDOWS2\system32\MSVCRT.dll
> ModLoad: 71ad0000 71ad9000   C:\WINDOWS2\system32\wsock32.dll
> ModLoad: 71ab0000 71ac7000   C:\WINDOWS2\system32\WS2_32.dll
> ModLoad: 71aa0000 71aa8000   C:\WINDOWS2\system32\WS2HELP.dll
> ModLoad: 5b860000 5b8b5000   C:\WINDOWS2\system32\netapi32.dll
> ModLoad: 00360000 003b8000   C:\cm3\bin\m3formsvbt.dll
> ModLoad: 003c0000 003ce000   C:\cm3\bin\m3formsvbtpixmaps.dll
> ModLoad: 00e40000 00f14000   C:\cm3\bin\m3vbtkit.dll
> ModLoad: 00f20000 00fd5000   C:\cm3\bin\m3ui.dll
> ModLoad: 003d0000 003d6000   C:\cm3\bin\videovbt.dll
> ModLoad: 003e0000 003e5000   C:\cm3\bin\jvideo.dll
> ModLoad: 003f0000 003f9000   C:\cm3\bin\web.dll
> ModLoad: 00fe0000 00fed000   C:\cm3\bin\m3tcp.dll
> ModLoad: 00ff0000 0101d000   C:\cm3\bin\m3netobj.dll
> ModLoad: 76390000 763ad000   C:\WINDOWS2\system32\IMM32.DLL
> ModLoad: 629c0000 629c9000   C:\WINDOWS2\system32\LPK.DLL
> ModLoad: 74d90000 74dfb000   C:\WINDOWS2\system32\USP10.dll
> ModLoad: 74720000 7476c000   C:\WINDOWS2\system32\MSCTF.dll
> ModLoad: 77c00000 77c08000   C:\WINDOWS2\system32\version.dll
> ModLoad: 755c0000 755ee000   C:\WINDOWS2\system32\msctfime.ime
> ModLoad: 774e0000 7761d000   C:\WINDOWS2\system32\ole32.dll
> ModLoad: 77120000 771ab000   C:\WINDOWS2\system32\OLEAUT32.DLL
>
> ***
> *** runtime error:
> ***    <*ASSERT*> failed.
> ***    file "..\src\runtime\common\RTCollector.m3", line 1729
> ***
> Stack trace:
>    FP         PC      Procedure
> ---------  ---------  -------------------------------
>  0x12f700   0x5d2a4f  CleanOlderRefSanityCheck + 0xa2 in ..\src 
> \runtime\common\R
> TCollector.m3
>  0x12f744   0x5cb101  Walk + 0x467 in ..\src\runtime\common 
> \RTHeapMap.m3
>  0x12f768   0x5ca9da  DoWalkRef + 0x62 in ..\src\runtime\common 
> \RTHeapMap.m3
>  0x12f78c   0x5ca9b5  DoWalkRef + 0x3d in ..\src\runtime\common 
> \RTHeapMap.m3
>  0x12f7b8   0x5ca970  WalkRef + 0x100 in ..\src\runtime\common 
> \RTHeapMap.m3
>  0x12f7f4   0x5d266b  SanityCheck + 0x1ec in ..\src\runtime\common 
> \RTCollector.m
> 3
>  0x12f80c   0x5d2471  After + 0x1b in ..\src\runtime\common 
> \RTCollector.m3
>  0x12f82c   0x5cb7d8  InvokeMonitors + 0x143 in ..\src\runtime\common 
> \RTHeapRep.
> m3
>  0x12f860   0x5d0b13  CollectSomeInStateFive + 0x265 in ..\src 
> \runtime\common\RT
> Collector.m3
>  0x12f874   0x5d01c1  CollectSome + 0xa0 in ..\src\runtime\common 
> \RTCollector.m3
> .........  .........  ... more frames ...
> (d40.9d8): Break instruction exception - code 80000003 (first chance)
> eax=00000001 ebx=000006c1 ecx=0000d8df edx=7c90e514 esi=0012f4f0  
> edi=005e5d8b
> eip=7c90120e esp=0012f4d8 ebp=0012f4f0 iopl=0         nv up ei pl nz  
> na po nc
> cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000              
> efl=00000202
> ntdll!DbgBreakPoint:
> 7c90120e cc              int     3
> 0:000> .lines
> Line number information will be loaded
> 0:000> ~*k999
> .  0  Id: d40.9d8 Suspend: 1 Teb: 7ffdf000 Unfrozen
> ChildEBP RetAddr
> 0012f4d4 005e5dd7 ntdll!DbgBreakPoint
> 0012f4f0 005dc2ce m3core!RTOS__Crash+0x4c [..\src\runtime 
> \WIN32\RTOS.m3 @ 29]
> 0012f508 005da01e m3core!RTProcess__Crash+0x68 [..\src\runtime\common 
> \RTProcess.
> m3 @ 66]
> 0012f520 005d9d32 m3core!RTError__EndError+0x37 [..\src\runtime 
> \common\RTError.m
> 3 @ 118]
> 0012f538 005da5f1 m3core!RTError__MsgS+0x8d [..\src\runtime\common 
> \RTError.m3 @
> 40]
> 0012f580 005da371 m3core!RTException__Crash+0x1ee [..\src\runtime 
> \common\RTExcep
> tion.m3 @ 79]
> 0012f5b8 005da2d1 m3core!RTException__DefaultBackstop+0x6f [..\src 
> \runtime\commo
> n\RTException.m3 @ 39]
> 0012f5d4 005e7823 m3core!RTException__InvokeBackstop+0x28 [..\src 
> \runtime\common
> \RTException.m3 @ 25]
> 0012f600 005da3fb m3core!RTException__Raise+0x63 [..\src\runtime 
> \ex_frame\RTExFr
> ame.m3 @ 29]
> 0012f630 005da2d1 m3core!RTException__DefaultBackstop+0xf9 [..\src 
> \runtime\commo
> n\RTException.m3 @ 47]
> 0012f64c 005e7823 m3core!RTException__InvokeBackstop+0x28 [..\src 
> \runtime\common
> \RTException.m3 @ 25]
> 0012f678 005c5559 m3core!RTException__Raise+0x63 [..\src\runtime 
> \ex_frame\RTExFr
> ame.m3 @ 29]
> 0012f6bc 005d765d m3core!RTHooks__ReportFault+0x93 [..\src\runtime 
> \common\RTHook
> s.m3 @ 110]
> 0012f6cc 005d2a4f m3core!MM_RTCollector_CRASH+0x11 [..\src\runtime 
> \common\RTColl
> ector.m3 @ 393]
> 0012f700 005cb101 m3core!RTCollector__CleanOlderRefSanityCheck+0xa2  
> [..\src\runt
> ime\common\RTCollector.m3 @ 1730]
> 0012f744 005ca9da m3core!RTHeapMap__Walk+0x467 [..\src\runtime\common 
> \RTHeapMap.
> m3 @ 202]
> 0012f768 005ca9b5 m3core!RTHeapMap__DoWalkRef+0x62 [..\src\runtime 
> \common\RTHeap
> Map.m3 @ 62]
> 0012f78c 005ca970 m3core!RTHeapMap__DoWalkRef+0x3d [..\src\runtime 
> \common\RTHeap
> Map.m3 @ 57]
> 0012f7b8 005d266b m3core!RTHeapMap__WalkRef+0x100 [..\src\runtime 
> \common\RTHeapM
> ap.m3 @ 47]
> 0012f7f4 005d2471 m3core!RTCollector__SanityCheck+0x1ec [..\src 
> \runtime\common\R
> TCollector.m3 @ 1658]
> 0012f80c 005cb7d8 m3core!RTCollector__After+0x1b [..\src\runtime 
> \common\RTCollec
> tor.m3 @ 1630]
> 0012f82c 005d0b13 m3core!RTHeapRep__InvokeMonitors+0x143 [..\src 
> \runtime\common\
> RTHeapRep.m3 @ 59]
> 0012f860 005d01c1 m3core!RTCollector__CollectSomeInStateFive+0x265  
> [..\src\runti
> me\common\RTCollector.m3 @ 983]
> 0012f874 005cfe26 m3core!RTCollector__CollectSome+0xa0 [..\src 
> \runtime\common\RT
> Collector.m3 @ 724]
> 0012f8b8 005c802c m3core!RTHeapRep__CollectEnough+0x9b [..\src 
> \runtime\common\RT
> Collector.m3 @ 654]
> 0012f8f8 005c7643 m3core!RTAllocator__AllocTraced+0xd7 [..\src 
> \runtime\common\RT
> Allocator.m3 @ 366]
> 0012f92c 005c713d m3core!RTAllocator__GetTracedObj+0x8c [..\src 
> \runtime\common\R
> TAllocator.m3 @ 224]
> 0012f950 1000f8a8 m3core!RTHooks__AllocateTracedObj+0x15 [..\src 
> \runtime\common\
> RTAllocator.m3 @ 120]
> 0012f994 0041fd5b juno_compiler!JunoCompile__ProcDecl+0x1de [..\src 
> \JunoCompile.
> m3 @ 254]
> 0012f9cc 00420909 Juno!Editor__Pass2+0x216 [..\src\Editor.m3 @ 730]
> 0012fa80 004207a1 Juno!Editor__Compile2+0x158 [..\src\Editor.m3 @ 813]
> 0012fab4 00444391 Juno!Editor__Compile+0x53 [..\src\Editor.m3 @ 793]
> 0012faf4 004445c6 Juno!Juno__CompileEditor+0x2c [..\src\Juno.m3 @ 140]
> 0012fb94 00445017 Juno!Juno__CompileModule+0x14a [..\src\Juno.m3 @  
> 174]
> 0012fd54 0045494c Juno!Juno__CompileModules+0x2e5 [..\src\Juno.m3 @  
> 263]
> 0012fed4 005d8cf4 Juno!Juno_M3+0x251e [..\src\Juno.m3 @ 2134]
> 0012ff18 005d82cc m3core!RTLinker__RunMainBody+0x25a [..\src\runtime 
> \common\RTLi
> nker.m3 @ 399]
> 0012ff30 005d8375 m3core!RTLinker__AddUnitI+0xf7 [..\src\runtime 
> \common\RTLinker
> .m3 @ 113]
> 0012ff54 00401038 m3core!RTLinker__AddUnit+0xa1 [..\src\runtime 
> \common\RTLinker.
> m3 @ 122]
> 0012ff70 004ba44f Juno!main+0x38 [_m3main.mc @ 4]
> 0012ffc0 7c817077 Juno!mainCRTStartup+0xff
> 0012fff0 00000000 kernel32!BaseProcessStart+0x23
>    1  Id: d40.fdc Suspend: 1 Teb: 7ffde000 Unfrozen
> ChildEBP RetAddr
> 01a0ff84 7c90df4a ntdll!KiFastSystemCallRet
> 01a0ff88 5b891374 ntdll!ZwWaitForMultipleObjects+0xc
> 01a0ffb4 7c80b729 netapi32!NetbiosWaiter+0x73
> 01a0ffec 00000000 kernel32!BaseThreadStart+0x37
>    2  Id: d40.e08 Suspend: 2 Teb: 7ffdd000 Unfrozen
> ChildEBP RetAddr
> 01b0fecc 7e4191be ntdll!KiFastSystemCallRet
> 01b0fef4 00f2cb35 USER32!NtUserGetMessage+0xc
> 01b0ff4c 005eaade m3ui!WinTrestle__MessengerApply+0x272 [..\src 
> \winvbt\WinTrestl
> e.m3 @ 2448]
> 01b0ff8c 005ea8fe m3core!ThreadWin32__RunThread+0x195 [..\src\thread 
> \WIN32\Threa
> dWin32.m3 @ 524]
> 01b0ffb4 7c80b729 m3core!ThreadWin32__ThreadBase+0x33 [..\src\thread 
> \WIN32\Threa
> dWin32.m3 @ 504]
> 01b0ffec 00000000 kernel32!BaseThreadStart+0x37
> 0:000>
>
>
>
> Out of ignorance I might try to remove Trestle uses and see if it  
> still crashes.
> But that might also be difficult.
> (I did remove the filewatcher and metermaid threads.)
>
>
>  - Jay

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