诊断无法停止的应用程式 [英] Diagnosing an app that fails to halt
问题描述
我们的Windows应用程序通常挂在内存中，我试图使用windbg跟踪
下来的问题。我是windbg的新手，可以使用一些建议（I
开始读高级Windows调试虽然）。
Our Windows app is often hanging in memory and I'm trying to use windbg to track down the problem. I'm very new to windbg and could use some advice (I have started to read Advanced Windows Debugging though).
该应用程序是一个混合的C +和用VB编写的COM对象。偶尔当
退出时，应用程序似乎消失了，但任务管理器显示它挂在
内存，显然是空闲。
The app is a mix of C++ and COM objects written in VB. Occasionally when you exit, the app appears to go away but task manager shows it hanging around in memory, apparently idle.
！我这个：
ThreadCount: 2
UnstartedThread: 0
BackgroundThread: 2
PendingThread: 0
DeadThread: 0
Hosted Runtime: no
PreEmptive GC Alloc Lock
ID OSID ThreadOBJ State GC Context Domain Count APT Exception
0 1 175c 001aa040 4220 Enabled 09131b78:09131fe8 001a2b80 0 STA
6 2 143c 001b4b48 b220 Enabled 00000000:00000000 001a2b80 0 MTA (Finalizer)
<对我的未经训练的眼睛，它看起来像是被保持活着由
finalize队列被单线程公寓阻止。这个
是否合理？
To my untrained eye, it looks like it is being kept alive by the finalize queue being blocked by a single-threaded apartment. Does this seem reasonable?
〜0kb产生：
ntdll!KiFastSystemCallRet
user32!NtUserGetMessage+0xc
mfc80!AfxInternalPumpMessage+0x18 [f:\sp\vctools\vc7libs\ship\atlmfc\src\mfc\thrdcore.cpp @ 153]
mfc80!CWinThread::Run+0x54 [f:\sp\vctools\vc7libs\ship\atlmfc\src\mfc\thrdcore.cpp @ 625]
mfc80!AfxWinMain+0x69 [f:\sp\vctools\vc7libs\ship\atlmfc\src\mfc\winmain.cpp @ 47]
WARNING: Stack unwind information not available. Following frames may be wrong.
OurApp+0x7e8274
kernel32!BaseProcessStart+0x23
〜6kb产生： / p>
~6kb yields:
ntdll!KiFastSystemCallRet
ntdll!ZwWaitForMultipleObjects+0xc
kernel32!WaitForMultipleObjectsEx+0x12c
kernel32!WaitForMultipleObjects+0x18
mscorwks!WKS::WaitForFinalizerEvent+0x7a
mscorwks!WKS::GCHeap::FinalizerThreadWorker+0x75
mscorwks!Thread::UserResumeThread+0xfb
mscorwks!Thread::DoADCallBack+0x355
mscorwks!Thread::DoADCallBack+0x541
mscorwks!ManagedThreadBase_NoADTransition+0x32
mscorwks!ManagedThreadBase::FinalizerBase+0xb
mscorwks!WKS::GCHeap::FinalizerThreadStart+0xbb
mscorwks!Thread::intermediateThreadProc+0x49
kernel32!BaseThreadStart+0x37
<我希望在这里有一点修正。如果我的猜测一个
封锁的终结者似乎是合理的，请让我知道。
I would appreciate a little course correction here. If my guess of a blocked finalizer seems reasonable, please let me know. I would also be very happy to get some advice on figuring out what exactly is blocking.
编辑：
Shane要求输出！analyze。这实际上是从不同的转储 - 我有很多他们，他们都看起来几乎一样。
Shane asked for the output from !analyze. This is actually from a different dump -- I have lots of them and they all look pretty much the same.
FAULTING_IP:
+18a952f00ebdf74
00000000 ?? ???
EXCEPTION_RECORD: ffffffff -- (.exr 0xffffffffffffffff)
ExceptionAddress: 00000000
ExceptionCode: 80000007 (Wake debugger)
ExceptionFlags: 00000000
NumberParameters: 0
BUGCHECK_STR: 80000007
PROCESS_NAME: OurApp.exe
OVERLAPPED_MODULE: Address regions for 'OurApp' and 'Unknown_Module_00350062' overlap
ERROR_CODE: (NTSTATUS) 0x80000007 - {Kernel Debugger Awakened} the system debugger was awakened by an interrupt.
EXCEPTION_CODE: (HRESULT) 0x80000007 (2147483655) - Operation aborted
NTGLOBALFLAG: 0
APPLICATION_VERIFIER_FLAGS: 0
MANAGED_STACK: !dumpstack -EE
OS Thread Id: 0x4490 (0)
Current frame:
ChildEBP RetAddr Caller,Callee
DERIVED_WAIT_CHAIN:
Dl Eid Cid WaitType
-- --- ------- --------------------------
0 48c8.4490 Speculated (Triage) -->
5 48c8.4b74 Event
WAIT_CHAIN_COMMAND: ~0s;k;;~5s;k;;
BLOCKING_THREAD: 00004b74
DEFAULT_BUCKET_ID: APPLICATION_HANG_BlockedOn_EventHandle
PRIMARY_PROBLEM_CLASS: APPLICATION_HANG_BlockedOn_EventHandle
LAST_CONTROL_TRANSFER: from 7c90df4a to 7c90e514
FAULTING_THREAD: 00000005
STACK_TEXT:
0882fcd0 7c90df4a 7c809590 00000002 0882fcfc ntdll!KiFastSystemCallRet
0882fcd4 7c809590 00000002 0882fcfc 00000001 ntdll!ZwWaitForMultipleObjects+0xc
0882fd70 7c80a115 00000002 7a3b8d28 00000000 kernel32!WaitForMultipleObjectsEx+0x12c
0882fd8c 79f92c5b 00000002 7a3b8d28 00000000 kernel32!WaitForMultipleObjects+0x18
0882fdac 79f970b8 001b1ad8 0882feb0 001a0b18 mscorwks!WKS::WaitForFinalizerEvent+0x77
0882fdc0 79e984cf 0882feb0 00000000 00000000 mscorwks!WKS::GCHeap::FinalizerThreadWorker+0x49
0882fdd4 79e9846b 0882feb0 0882fe5c 79f7762b mscorwks!Thread::DoADCallBack+0x32a
0882fe68 79e98391 0882feb0 9f3f02e2 00000000 mscorwks!Thread::ShouldChangeAbortToUnload+0xe3
0882fea4 79eef74c 0882feb0 00000000 001a86c0 mscorwks!Thread::ShouldChangeAbortToUnload+0x30a
0882fecc 79eef75d 79f9706d 00000008 0882ff14 mscorwks!ManagedThreadBase_NoADTransition+0x32
0882fedc 79f3c6bc 79f9706d 9f3f0352 00000000 mscorwks!ManagedThreadBase::FinalizerBase+0xd
0882ff14 79f920a5 00000000 86fb6620 804fb078 mscorwks!WKS::GCHeap::FinalizerThreadStart+0xbb
0882ffb4 7c80b729 001a0b18 00730074 00610020 mscorwks!Thread::intermediateThreadProc+0x49
0882ffec 00000000 79f9205f 001a0b18 00000000 kernel32!BaseThreadStart+0x37
FOLLOWUP_IP:
mscorwks!WKS::WaitForFinalizerEvent+77
79f92c5b 85c0 test eax,eax
SYMBOL_STACK_INDEX: 4
SYMBOL_NAME: mscorwks!WKS::WaitForFinalizerEvent+77
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: mscorwks
IMAGE_NAME: mscorwks.dll
DEBUG_FLR_IMAGE_TIMESTAMP: 492b82c1
STACK_COMMAND: ~5s ; kb
BUCKET_ID: 80000007_mscorwks!WKS::WaitForFinalizerEvent+77
FAILURE_BUCKET_ID: APPLICATION_HANG_BlockedOn_EventHandle_80000007_mscorwks.dll!WKS::WaitForFinalizerEvent
WATSON_STAGEONE_URL: http://watson.microsoft.com/StageOne/OurApp_exe/6_2_6_1/4a29a184/unknown/0_0_0_0/bbbbbbb4/80000007/00000000.htm?Retriage=1
Followup: MachineOwner
---------
0:000> !threads
ThreadCount: 2
UnstartedThread: 0
BackgroundThread: 2
PendingThread: 0
DeadThread: 0
Hosted Runtime: no
PreEmptive GC Alloc Lock
ID OSID ThreadOBJ State GC Context Domain Count APT Exception
0 1 4490 0019de20 4220 Enabled 09003658:09003fe8 001a86c0 0 STA
5 2 4b74 001b1b08 b220 Enabled 00000000:00000000 001a86c0 0 MTA (Finalizer)
推荐答案
终结器线程是空闲的并且正在等待工作 - 它的跟踪看起来很好。 Theread 0也看起来很好，并且是空闲的 - 它等待下一个UI消息。
The finalizer thread is idle and is waiting for work -- its trace looks fine. Theread 0 also looks fine and is idle -- it waits for the next UI message.
您能提供一些有关如何退出应用程序的详细信息吗？考虑到消息循环仍在运行，在我看来，关闭应用程序逻辑有问题。
Can you give some details on how you 'exit' the application? Given that the message loop is still running, it seems to me that something is wrong with your close-application logic.
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