简而言之，我有一个 C# 应用程序执行大量 mciSendString 调用（通过 dllimport）来控制 wav 文件播放（本质上是打开、播放、暂停、停止、状态、关闭）。运行一段时间后，应用程序在没有通知的情况下因“访问冲突”而崩溃。
即使我从我的 vs2012 运行应用程序，Visual Studio 也没有捕获到异常。即使使用“强制中断异常”选项，我在从 vs2012 调试它时也没有运气。因此，我设置了 WER 来生成故障转储，并且我正在使用带有 psscor2.dll 插件的 windbg 来调试它。
然后按顺序，使用以下命令，这就是我得到的（缩短为可读性必不可少的）：
$>.ecxr
eax=00000001 ebx=00000000 ecx=00000401 edx=00000000 esi=049725b8 edi=00000002
eip=4e88159e esp=0a4efa38 ebp=0a4efa54 iopl=0 nv up ei pl nz ac pe nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010216
<Unloaded_mciwave.dll>+0x159e:
4e88159e ?? ???
$>~*kb
# 19 Id: 105c.28cc Suspend: 1 Teb: 7ef06000
Unfrozen
user32!NtUserGetMessage+0x15
user32!GetMessageA+0xa1
winmm!mciwindow+0x102
kernel32!BaseThreadInitThunk+0xe
ntdll!__RtlUserThreadStart+0x70
ntdll!_RtlUserThreadStart+0x1b
# 30 Id: 105c.15f8 Suspend: 0 Teb: 7ef1b000 Unfrozen
ntdll!ZwWaitForMultipleObjects+0x15
KERNELBASE!WaitForMultipleObjectsEx+0x100
kernel32!WaitForMultipleObjectsExImplementation+0xe0
kernel32!WaitForMultipleObjects+0x18
kernel32!WerpReportFaultInternal+0x186
kernel32!WerpReportFault+0x70
kernel32!BasepReportFault+0x20
kernel32!UnhandledExceptionFilter+0x1af
ntdll!__RtlUserThreadStart+0x62
ntdll!_EH4_CallFilterFunc+0x12
ntdll!_except_handler4+0x8e
ntdll!ExecuteHandler2+0x26
ntdll!ExecuteHandler+0x24
ntdll!RtlDispatchException+0x127
ntdll!KiUserExceptionDispatcher+0xf
WARNING: Frame IP not in any known module. Following frames may be wrong.
<Unloaded_mciwave.dll>+0x159e
# 31 Id: 105c.2310 Suspend: 1 Teb: 7ef00000 Unfrozen
user32!NtUserGetMessage+0x15
user32!GetMessageW+0x33
mciwave!TaskBlock+0x1d
mciwave!PlayFile+0xcb
mciwave!mwTask+0x98
winmm!mmStartTask+0x22
kernel32!BaseThreadInitThunk+0xe
ntdll!__RtlUserThreadStart+0x70
ntdll!_RtlUserThreadStart+0x1b:
$>!分析-v
FAULTING_IP:
mciwave_4e880000!TaskBlock+1d
4e88159e ?? ???
EXCEPTION_RECORD: ffffffff -- (.exr 0xffffffffffffffff)
ExceptionAddress: 4e88159e (mciwave_4e880000!TaskBlock+0x0000001d)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 00000008
Parameter[1]: 4e88159e
Attempt to execute non-executable address 4e88159e
PROCESS_NAME: Titan.vshost.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: 00000008
EXCEPTION_PARAMETER2: 4e88159e
WRITE_ADDRESS: 4e88159e
FOLLOWUP_IP:
mciwave_4e880000!TaskBlock+1d
4e88159e ?? ???
MOD_LIST: <ANALYSIS/>
NTGLOBALFLAG: 0
APPLICATION_VERIFIER_FLAGS: 0
MANAGED_STACK: !dumpstack -EE
OS Thread Id: 0x15f8 (30)
====> Exception cxr@a4ef750
FAULTING_THREAD: 000015f8
BUGCHECK_STR: APPLICATION_FAULT_SOFTWARE_NX_FAULT_CODE_WRONG_SYMBOLS
PRIMARY_PROBLEM_CLASS: SOFTWARE_NX_FAULT_CODE
DEFAULT_BUCKET_ID: SOFTWARE_NX_FAULT_CODE
LAST_CONTROL_TRANSFER: from 4e881999 to 4e88159e
STACK_TEXT:
0a4efa54 4e881999 0a4efa88 078db198 078db1a4 mciwave_4e880000!TaskBlock+0x1d
0a4efa68 74370ae5 00038edc 00000000 00000000 mciwave_4e880000!mwTask+0x45
0a4efa88 7670338a 078db198 0a4efad4 76f99f72 winmm!mmStartTask+0x22
0a4efa94 76f99f72 078db198 79f84a28 00000000 kernel32!BaseThreadInitThunk+0xe
0a4efad4 76f99f45 74370ac3 078db198 00000000 ntdll!__RtlUserThreadStart+0x70
0a4efaec 00000000 74370ac3 078db198 00000000 ntdll!_RtlUserThreadStart+0x1b
SYMBOL_STACK_INDEX: 0
SYMBOL_NAME: mciwave!TaskBlock+1d
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: mciwave_4e880000
IMAGE_NAME: mciwave.dll
DEBUG_FLR_IMAGE_TIMESTAMP: 4a5bcb4a
STACK_COMMAND: ~30s; .ecxr ; kb
FAILURE_BUCKET_ID: SOFTWARE_NX_FAULT_CODE_c0000005_mciwave.dll!TaskBlock
BUCKET_ID: APPLICATION_FAULT_SOFTWARE_NX_FAULT_CODE_WRONG_SYMBOLS_mciwave!TaskBlock+1d
Followup: MachineOwner
---------
异常似乎发生在 Unloaded_mciwave.dll 的线程 #30 中，但我不知道如何进一步推动调试。我怎样才能更好地了解发生了什么？
我怎样才能知道这两行之间发生了什么？
ntdll!KiUserExceptionDispatcher+0xf
--> WARNING: Frame IP not in any known module. Following frames may be wrong.
<Unloaded_mciwave.dll>+0x159e
提前谢谢你的帮助。