正在悠哉,突然支持的同事过来说,某个用户软件启动不了了。详细情况是:由于出现某些问题,支持同事给这个客户重装了软件,然后就启动不了了,后来把安装目录改了名字,就能运行了。虽然客户能用了,但我很不理解为什么改了个目录名就能运行呢。于是恢复现场,重现故障,不管37二十一,抓个dmp先。

用windbg打开dmp

Windows 7 Version 7601 (Service Pack 1) MP (8 procs) Free x86 compatible
Product: WinNt, suite: SingleUserTS
Machine Name:
Debug session time: Tue Sep  1 14:42:17.000 2020 (UTC + 8:00)
System Uptime: 0 days 0:09:59.840
Process Uptime: 0 days 0:00:05.000
................................................................
...............................................................
This dump file has an exception of interest stored in it.
The stored exception information can be accessed via .ecxr.
(202c.1094): Unknown exception - code c0000374 (first/second chance not available)
eax=00000000 ebx=00000000 ecx=7fffffff edx=00000000 esi=02630000 edi=0000202c
eip=7708f8d1 esp=0020e864 ebp=0020e8e8 iopl=0         nv up ei pl zr na pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00200246
ntdll!NtWaitForSingleObject+0x15:
7708f8d1 83c404          add     esp,4

可知,在id=1094的线程发生了c0000374(STATUS_HEAP_CORRUPTION ) 异常。

查看下栈,输入kv

0:000> kv
 # ChildEBP RetAddr  Args to Child              
00 0020e864 77118897 00000100 00000001 00000000 ntdll!NtWaitForSingleObject+0x15 (FPO: [3,0,0])
01 0020e8e8 771189c5 0020ea88 0020ead8 00000000 ntdll!RtlReportExceptionEx+0x14b (FPO: [Non-Fpo])
02 0020e940 7713ea7e 0020ea88 0020ead8 00000000 ntdll!RtlReportException+0x86 (FPO: [Non-Fpo])
03 0020e954 7713eafb c0000374 0020e988 770e4fb4 ntdll!RtlpTerminateFailureFilter+0x14 (FPO: [Non-Fpo])
04 0020e960 770e4fb4 00000000 0020efb4 7709d100 ntdll!RtlReportCriticalFailure+0x67 (FPO: [SEH])
05 0020e974 770e4e59 00000000 00000000 00000000 ntdll!_EH4_CallFilterFunc+0x12 (FPO: [Uses EBP] [0,0,4])
06 0020e99c 770d34a1 fffffffe 0020efa4 0020ead8 ntdll!_except_handler4+0x8e (FPO: [Non-Fpo])
07 0020e9c0 770d3473 0020ea88 0020efa4 0020ead8 ntdll!ExecuteHandler2+0x26 (FPO: [Uses EBP] [5,3,1])
08 0020e9e4 770d3414 0020ea88 0020efa4 0020ead8 ntdll!ExecuteHandler+0x24 (FPO: [5,0,3])
09 0020ea70 77080133 0020ea88 0020ead8 0020ea88 ntdll!RtlDispatchException+0x127 (FPO: [Non-Fpo])
0a 0020ea70 7713eaeb 0020ea88 0020ead8 0020ea88 ntdll!KiUserExceptionDispatcher+0xf (FPO: [2,0,0]) (CONTEXT @ 0020ead8)
0b 0020efb4 7713f9f1 c0000374 77174270 0020eff8 ntdll!RtlReportCriticalFailure+0x57 (FPO: [Non-Fpo])
0c 0020efc4 7713fad1 00000002 773ec360 00000000 ntdll!RtlpReportHeapFailure+0x21 (FPO: [Non-Fpo])
0d 0020eff8 770ed97c 00000009 006b0000 007149e2 ntdll!RtlpLogHeapFailure+0xa1 (FPO: [Non-Fpo])
0e 0020f028 6dd431f7 006b0000 00000000 007149e2 ntdll!RtlFreeHeap+0x64 (FPO: [Non-Fpo])
0f 0020f03c 6dd5c6d4 007149e2 00000000 0071c978 apphelp!SdbFree+0x22 (FPO: [Non-Fpo])
10 0020f080 6dd4db99 006b1ff6 0071c978 0020f288 apphelp!SdbpBuildLayerInfo+0x3d9 (FPO: [Non-Fpo])
11 0020f144 6dd4c490 006b1ff6 0071c978 0020f288 apphelp!SdbTraceQueryResult+0xd6 (FPO: [Non-Fpo])
12 0020f260 6dd4c3be 006b1ff6 0071c978 0020f288 apphelp!SeiInit+0xcb (FPO: [Non-Fpo])
13 0020f454 770d2cae 0020f560 00070000 00000000 apphelp!SE_InstallBeforeInit+0x67 (FPO: [Non-Fpo])
14 0020f470 770d2cd0 00718b90 0020f560 00070000 ntdll!LdrpLoadShimEngine+0xdc (FPO: [Non-Fpo])
15 0020f5f8 770b9f31 0020f66c 77070000 773edad0 ntdll!LdrpInitializeProcess+0x137f (FPO: [Non-Fpo])
16 0020f648 770a9799 0020f66c 77070000 00000000 ntdll!_LdrpInitialize+0x78 (FPO: [Non-Fpo])
17 0020f658 00000000 0020f66c 77070000 00000000 ntdll!LdrInitializeThunk+0x10 (FPO: [Non-Fpo])
看来是根兼容性有关阿。栈根我之前遇到问题一样(参考<记一次因兼容性问题崩溃>)。

于是远程客户机设置兼容性,发现设置过兼容性,但不行。于是我打开注册表HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers,发现里面有很多个关于我们程序设置项,先手动删掉这些项。在双击程序,成功跑起来了。

到了这里,我又有点迷惑了,之前是需要设置兼容,为什么这次又要删掉兼容的设置项呢,看来需要研究下,因为这是个问题,我还不懂。有知道的朋友也可以直接告诉我。

 

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