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.Net程序调试

帖子发起人: losesoul   发起时间: 2010-01-15 12:32 下午   回复: 2

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   2010-01-15, 12:32 下午
losesoul 离线,最后访问时间: 2010/1/15 12:13:32 losesoul

发帖数前500位
注册: 2010-01-15
发 贴: 1
Silverlight 崩溃问题
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我的一个Silverlight程序,偶尔出现崩溃问题,用windbg得到了它的Crashed Dump,发现是agcore内部异常了,请问如何进一步获取这个SetValue方法下的参数信息,最好能在sos下看到这个对象的具体信息
FAULTING_IP:
+5ba952f051ddf74
9122086c ??              ???

EXCEPTION_RECORD:  0b11f888 -- (.exr 0xb11f888)
ExceptionAddress: 9122086c
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 00000000
   Parameter[1]: 9122086c
Attempt to read from address 9122086c

FAULTING_THREAD:  00001470

DEFAULT_BUCKET_ID:  INVALID_POINTER_READ

PROCESS_NAME:  iexplore.exe

ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s".

EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s".

EXCEPTION_PARAMETER1:  00000000

EXCEPTION_PARAMETER2:  9122086c

READ_ADDRESS:  9122086c

FOLLOWUP_IP:
agcore!CFrameworkElement::SetValue+1d7
6c914fd4 84c0            test    al,al

NTGLOBALFLAG:  0

APPLICATION_VERIFIER_FLAGS:  0

CONTEXT:  0b11f8a4 -- (.cxr 0xb11f8a4)
eax=9122086c ebx=00000000 ecx=05f20ae8 edx=6c90ffff esi=00000000 edi=04b5e9d8
eip=9122086c esp=0b11fb70 ebp=0b11fb8c iopl=0         nv up ei pl nz na po nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00010202
9122086c ??              ???
Resetting default scope

PRIMARY_PROBLEM_CLASS:  INVALID_POINTER_READ

BUGCHECK_STR:  APPLICATION_FAULT_INVALID_POINTER_READ

LAST_CONTROL_TRANSFER:  from 6c914fd4 to 9122086c

IP_ON_HEAP:  9122086c

STACK_TEXT: 
9122086c unknown+0x0
6c914fd4 agcore!CFrameworkElement::SetValue+0x1d7
6c9224fc agcore!CShape::SetValue+0x72
6c922544 agcore!CEllipse::SetValue+0x3b
6c91aac7 agcore!CAnimation::DoSetValue+0x50
6c95859b agcore!CAnimation::UpdateAnimationUsingKeyFrames+0x3b5
6c9b7df4 agcore!CAnimation::UpdateAnimation+0x184
6c91716e agcore!CTimeline::ComputeState+0x13a
6c91720d agcore!CTimelineGroup::ComputeState+0x8c
6c916d73 agcore!CStoryboard::ComputeState+0x48
6c9169f7 agcore!CTimeManager::Tick+0x79
6c916a59 agcore!CCoreServices::Tick+0x21
6c99f796 agcore!CCoreServices::Draw+0x140
6c916af2 agcore!CCoreServices::Draw+0x2d
6d8314f5 npctrl!CXcpBrowserHost::OnTick+0x1b1
6d8033c2 npctrl!CXcpDispatcher::Tick+0xf3
6d8027c6 npctrl!CXcpDispatcher::OnReentrancyProtectedWindowMessage+0xcd
6d802709 npctrl!CXcpDispatcher::WindowProc+0xb8
7e418734 USER32!InternalCallWinProc+0x28
7e418816 USER32!UserCallWinProcCheckWow+0x150
7e4189cd USER32!DispatchMessageWorker+0x306
7e418a10 USER32!DispatchMessageW+0xf
4093e6b3 IEFRAME!CTabWindow::_TabWindowThreadProc+0x189
7c80b729 kernel32!BaseThreadStart+0x37


STACK_COMMAND:  .cxr 0B11F8A4 ; kb ; dds b11fb70 ; kb

SYMBOL_STACK_INDEX:  1

SYMBOL_NAME:  agcore!CFrameworkElement::SetValue+1d7

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: agcore

IMAGE_NAME:  agcore.dll

DEBUG_FLR_IMAGE_TIMESTAMP:  4a8a2b0b

FAILURE_BUCKET_ID:  INVALID_POINTER_READ_c0000005_agcore.dll!CFrameworkElement::SetValue

BUCKET_ID:  APPLICATION_FAULT_INVALID_POINTER_READ_agcore!CFrameworkElement::SetValue+1d7

WATSON_STAGEONE_URL:  http://watson.microsoft.com/StageOne/iexplore_exe/7_0_6000_16850/49f04471/coreclr_dll/3_0_40818_0/4a8a2a97/c0000005/00060634.htm?Retriage=1

Followup: MachineOwner
0:020> kb
ChildEBP RetAddr  Args to Child             
0b11f6f0 7b7e0693 9122086c 9122086c 045fdc60 coreclr!VirtualCallStubManager::predictStubKind+0x7d
0b11f704 7b7e06de 9122086c 0b11f8a4 0b11f730 coreclr!VirtualCallStubManager::getStubKind+0x10
0b11f714 7b8f8db2 9122086c 0b11f72c 0b11f8a4 coreclr!VirtualCallStubManager::FindStubManager+0x20
0b11f730 7b8f8f08 0b11f888 0b11f8a4 0b11f7f0 coreclr!AdjustContextForVirtualStub+0x23
0b11f74c 7b8f93c5 c0000005 089b639d 00004000 coreclr!CLRVectoredExceptionHandlerPhase3+0x53
0b11f780 7b8f9d5d 0b11f7f0 089b63b1 00000000 coreclr!CLRVectoredExceptionHandlerPhase2+0x20
0b11f7ac 7b892241 0b11f7f0 089b63c5 7c97e3c0 coreclr!CLRVectoredExceptionHandler+0xad
0b11f7d8 7c9444a8 0b11f7f0 0b11f888 0b11f888 coreclr!CLRVectoredExceptionHandlerShim+0x57
0b11f7f8 7c933f56 0b11f888 0b11f8a4 00000000 ntdll!RtlCallVectoredExceptionHandlers+0x48
0b11f870 7c90e48a 0b11f888 0b11f8a4 0b11f888 ntdll!RtlDispatchException+0x19
0b11f870 9122086c 0b11f888 0b11f8a4 0b11f888 ntdll!KiUserExceptionDispatcher+0xe
WARNING: Frame IP not in any known module. Following frames may be wrong.
0b11fb6c 6c914fd4 10bc0c84 04b5e9d8 054487ac 0x9122086c
0b11fb8c 6c9224fc 054487ac 10bc0c84 054487ac agcore!CFrameworkElement::SetValue+0x1d7
0b11fba8 6c922544 054487ac 10bc0c84 054487ac agcore!CShape::SetValue+0x72
0b11fbc0 6c91aac7 054487ac 10bc0c84 00000000 agcore!CEllipse::SetValue+0x3b
0b11fbf0 6c95859b 10bc0be0 04b5e9d8 00000000 agcore!CAnimation::DoSetValue+0x50
0b11fc30 6c9b7df4 0b11fca4 0b11fc88 10bc0be0 agcore!CAnimation::UpdateAnimationUsingKeyFrames+0x3b5
0b11fc4c 6c91716e 00000003 00000000 00000000 agcore!CAnimation::UpdateAnimation+0x184
0b11fc9c 6c91720d 3ea20800 0b11fcec 00000000 agcore!CTimeline::ComputeState+0x13a
0b11fcbc 6c916d73 048cbd88 0b11fcec 0b11fcf4 agcore!CTimelineGroup::ComputeState+0x8c


IP 地址: 已记录   报告
   2010-01-16, 13:41 下午
Raymond 离线,最后访问时间: 2020/7/3 3:40:25 格蠹老雷

发帖数前10位
注册: 2005-12-19
发 贴: 1,303
Re: Silverlight 崩溃问题
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感觉是agcore!CFrameworkElement::SetValue内部调用对象的方法时,方法的地址被意外覆盖成了错误的值,即0x9122086c,这个地址是指向内核态的,不可以从用户态访问,所以触发异常了。
对象方法的地址被覆盖掉的原因可能有多种,比如缓冲区溢出,使用已经释放了对象等。

Google了一下,有人遇到同样的问题:
http://stackoverflow.com/questions/1324890/debugging-silverlight-crash
宏观上看,与IE的某些插件有关,可以在IE的Add-on对话框中把不用的插件禁止掉试试看。或者使用即时调试(JIT)...


IP 地址: 已记录   报告
   2011-04-12, 11:53 上午
victor12 离线,最后访问时间: 2010/10/10 7:10:17 victor12

发帖数前200位
注册: 2010-10-11
发 贴: 5
Re: Silverlight 崩溃问题
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