<div dir="ltr"><div><div><div><div><div>I've been seeing a crash when closing VirtualBox.exe that is almost never reproducible. Few days ago I managed to get a crash dump and ran the analysis, see below. At the time of the crash, I was closing the virtual machine after it had been running for ~24 hours. Unfortunately, I can't find the log files<br>

<br>I'm using the following:<br></div>VirtualBox 4.2.8 (Cross compiled with VS2010-SP1 on windows 7 64bit, Target Host = x86)<br></div></div>Host Win7 32bit<br></div>Guest Linux 2.6 32bit<br></div>Build Type: Release<br>

<div><div><div><div><div><br></div><div>Please let me know if you have any questions.<br><br></div><div>Thanks,<br></div><div>Ribhi<br></div><div><br></div><div>Log files:<br></div><div>Successful: <a href="https://www.dropbox.com/s/xrvcr8sud4z63ia/Success.log">https://www.dropbox.com/s/xrvcr8sud4z63ia/Success.log</a><br>

Crash: <a href="https://www.dropbox.com/s/p5pslbt3sl9cpeo/Crash.log">https://www.dropbox.com/s/p5pslbt3sl9cpeo/Crash.log</a></div><div><br></div><div><br>0:000> !analyze -v -f
<br>*******************************************************************************
<br>*                                                                             *
<br>*                        Exception Analysis                                   *
<br>*                                                                             *
<br>*******************************************************************************
<br> <br>GetPageUrlData failed, server returned HTTP status 404
<br>URL requested: <a href="http://watson.microsoft.com/StageOne/VirtualBox_exe/4_2_8_0/51420e3b/unknown/0_0_0_0/bbbbbbb4/80000003/00000000.htm?Retriage=1">http://watson.microsoft.com/StageOne/VirtualBox_exe/4_2_8_0/51420e3b/unknown/0_0_0_0/bbbbbbb4/80000003/00000000.htm?Retriage=1</a>
<br> <br>FAULTING_IP: 
<br>VirtualBox!UIMachineView::maxGuestSize+18 [c:\vboxbuild\virtualbox\4.2.8\src\src\vbox\frontends\virtualbox\src\runtime\uimachineview.cpp @ 702]
<br><b>0145ed68 f00fc70f        lock cmpxchg8b qword ptr [edi]
</b><br> <br>EXCEPTION_RECORD:  ffffffff -- (.exr 0xffffffffffffffff)
<br>ExceptionAddress: 00000000
<br>   ExceptionCode: 80000003 (Break instruction exception)
<br>  ExceptionFlags: 00000000
<br>NumberParameters: 0
<br> <br>FAULTING_THREAD:  00000ef4
<br> <br>DEFAULT_BUCKET_ID:  STATUS_BREAKPOINT
<br> <br>PROCESS_NAME:  VirtualBox.exe
<br> <br>ERROR_CODE: (NTSTATUS) 0x80000003 - {EXCEPTION}  Breakpoint  A breakpoint has been reached.
<br> <br>EXCEPTION_CODE: (HRESULT) 0x80000003 (2147483651) - One or more arguments are invalid
<br> <br>MOD_LIST: <ANALYSIS/>
<br> <br>NTGLOBALFLAG:  0
<br> <br>APPLICATION_VERIFIER_FLAGS:  0
<br> <br>ADDITIONAL_DEBUG_TEXT:  Followup set based on attribute [Is_ChosenCrashFollowupThread] from Frame:[0] on thread:[PSEUDO_THREAD]
<br> <br>LAST_CONTROL_TRANSFER:  from 0143bea0 to 0145ed68
<br> <br>PRIMARY_PROBLEM_CLASS:  STATUS_BREAKPOINT
<br> <br>BUGCHECK_STR:  APPLICATION_FAULT_STATUS_BREAKPOINT_NULL_POINTER_READ
<br> <br>STACK_TEXT:  
<br>03a3ca98 0145ed68 virtualbox!UIMachineView::maxGuestSize+0x18
<br>03a3cab0 0143bea0 virtualbox!UIFrameBuffer::VideoModeSupported+0x30
<br>03a3cac8 6927c724 vboxc!vmmdevVideoModeSupported+0x74
<br>03a3caec 690b4edc vboxdd!vmmdevRequestHandler+0xecc
<br>03a3fb5c 72f198d1 vboxvmm!IOMIOPortWrite+0x91
<br>03a3fb84 72f0891f vboxvmm!HWACCMR3RestartPendingIOInstr+0xcf
<br>03a3fba4 72ea303c vboxvmm!emR3ExecuteIOInstruction+0x1c
<br>03a3fc78 72ea3589 vboxvmm!emR3HwaccmHandleRC+0x189
<br>03a3fc8c 72ea3788 vboxvmm!emR3HwAccExecute+0x168
<br>03a3fcb0 72ea0d84 vboxvmm!EMR3ExecuteVM+0x274
<br>03a3fcd8 72efb2aa vboxvmm!vmR3EmulationThreadWithId+0x45a
<br>03a3fcf8 72efb2f4 vboxvmm!vmR3EmulationThread+0x14
<br>03a3fd0c 69ca1523 vboxrt!rtThreadMain+0x33
<br>03a3fd38 69ce539b vboxrt!rtThreadNativeMain+0x6b
<br>03a3fd58 6bb6c556 msvcr100!_endthreadex+0x3f
<br>03a3fd90 6bb6c600 msvcr100!_endthreadex+0xce
<br>03a3fd9c 76b4ed6c kernel32!BaseThreadInitThunk+0xe
<br>03a3fda8 7722377b ntdll!__RtlUserThreadStart+0x70
<br>03a3fde8 7722374e ntdll!_RtlUserThreadStart+0x1b
<br> <br> <br>STACK_COMMAND:  .cxr 0000000003A3C7B4 ; kb ; dds 3a3ca98 ; kb
<br> <br>FOLLOWUP_IP: 
<br>VirtualBox!UIMachineView::maxGuestSize+0 [c:\vboxbuild\virtualbox\4.2.8\src\src\vbox\frontends\virtualbox\src\runtime\uimachineview.cpp @ 701]
<br>0145ed50 83ec0c          sub     esp,0Ch
<br> <br>FAULTING_SOURCE_CODE:  
<br>   697:                       RT_MAKE_U64(maxSize.height(), maxSize.width()));
<br>   698: }
<br>   699: 
<br>   700: QSize UIMachineView::maxGuestSize()
<br>>  701: {
<br>   702:     uint64_t u64Size = ASMAtomicReadU64(&m_u64MaxGuestSize);
<br>   703:     return QSize(int(RT_HI_U32(u64Size)), int(RT_LO_U32(u64Size)));
<br>   704: }
<br>   705: 
<br>   706: QSize UIMachineView::guestSizeHint()
<br> <br> <br>SYMBOL_NAME:  virtualbox!UIMachineView::maxGuestSize+0
<br> <br>FOLLOWUP_NAME:  MachineOwner
<br> <br>MODULE_NAME: VirtualBox
<br> <br>IMAGE_NAME:  VirtualBox.exe
<br> <br>DEBUG_FLR_IMAGE_TIMESTAMP:  51420e3b
<br> <br>FAILURE_BUCKET_ID:  STATUS_BREAKPOINT_80000003_VirtualBox.exe!UIMachineView::maxGuestSize
<br> <br>BUCKET_ID:  APPLICATION_FAULT_STATUS_BREAKPOINT_NULL_POINTER_READ_virtualbox!UIMachineView::maxGuestSize+0
<br> <br>WATSON_STAGEONE_URL:  <a href="http://watson.microsoft.com/StageOne/VirtualBox_exe/4_2_8_0/51420e3b/unknown/0_0_0_0/bbbbbbb4/80000003/00000000.htm?Retriage=1">http://watson.microsoft.com/StageOne/VirtualBox_exe/4_2_8_0/51420e3b/unknown/0_0_0_0/bbbbbbb4/80000003/00000000.htm?Retriage=1</a>
<br> <br>Followup: MachineOwner
<br>---------<br clear="all"><div><br>-- <br>-- Ribhi
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