Windbg设置了sympath,为什么还提示找不到symbol?

[lsner2]

我的一台Win2008R2(64位)安装了VS2012和windbg32位版。
用VC2012编了个简单的32位控制台程序ConsoleApplication1，并创建C:\MyLocalSymbols目录，然后启动windbg:

(1)设置File-->Symbol file path填入:
C:\MyLocalSymbols;SRV*C:\MyLocalSymbols*http://msdl.microsoft.com/download/symbols

(2)File-->Open executable打开ConsoleApplication1，
进入Windbg的窗口:

Microsoft (R) Windows Debugger Version 6.11.0001.404 X86
Copyright (c) Microsoft Corporation. All rights reserved.

CommandLine: "C:\Users\Administrator\Documents\Visual Studio 2012\Projects\ConsoleApplication1\Debug\ConsoleApplication1.exe"
Symbol search path is: C:\MyLocalSymbols;SRV*C:\MyLocalSymbols*http://msdl.microsoft.com/download/symbols
Executable search path is: 
ModLoad: 00200000 00228000   ConsoleApplication1.exe
ModLoad: 77c40000 77dc0000   ntdll.dll
ModLoad: 75f90000 760a0000   C:\Windows\syswow64\kernel32.dll
ModLoad: 76160000 761a6000   C:\Windows\syswow64\KERNELBASE.dll
ModLoad: 0f660000 0f72b000   C:\Windows\SysWOW64\MSVCP110D.dll
ModLoad: 0f150000 0f2f1000   C:\Windows\SysWOW64\MSVCR110D.dll
(1e20.1e0c): Break instruction exception - code 80000003 (first chance)
eax=00000000 ebx=00000000 ecx=cc7e0000 edx=002ae018 esi=fffffffe edi=00000000
eip=77ce0f3b esp=003af90c ebp=003af938 iopl=0         nv up ei pl zr na pe nc
cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000246
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ntdll.dll - 
ntdll!LdrVerifyImageMatchesChecksum+0x96c:
77ce0f3b cc              int     3
0:000> .sympath
Symbol search path is: C:\MyLocalSymbols;SRV*C:\MyLocalSymbols*http://msdl.microsoft.com/download/symbols
Expanded Symbol search path is: c:\mylocalsymbols;srv*c:\mylocalsymbols*http://msdl.microsoft.com/download/symbols

明明用.sympath已经看到我正确设置了符号文件路径，而且C盘下面的MyLocalSymbols里面也有了不少东西，如下图所示:

为什么还是提示错误说:
ERROR: Symbol file could not be found. Defaulted to export symbols for ntdll.dll -

我都重启Windbg试了好几遍了都不行。到底是为什么呢? 是我还需要什么额外的设置么?

[lsner2]

找到了解决办法之一: 不要用自定义的下载目录，一定要用C:\Symbols这个目录名字，然后.reload重新加载符号目录。 再次重启windbg就可以了。 注意，32位程序最好用32位windbg调试，64位用64位windbg调试。

[zhousitiaoda]

多谢分享。。

[向立天]

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