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!heap failed in windbg. Invalid type information f
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TOPIC: !heap failed in windbg. Invalid type information f
#90
Alexei Tchernoraenko (User)
Posts: 1
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!heap failed in windbg. Invalid type information f 17 Mar 2011 - 15:32
Hello,
I'm trying to dump heap information from full dump memory file sitting on Windows Server 2003 SP2 x86.
Dump was created for 32-bit mixed (native/clr) application which was running on Windows Server 2003 SP2 x64 machine.
From the following windbg log I see that loaded ntdll.dll image is incorrect and does not correspond to ntdll.pdb symbols.
I have tried to specify the location to ntdll.dll from the target machine but windbg still shows that the module is loaded from the standard location (c:\windows\system32).

What did I do wrong? How to force windbg to load correct version of ntdll?

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

[ ... skipped ... ]

0:042> vertarget
Windows Server 2003 Version 3790 (Service Pack 2) MP (4 procs) Free x86 compatible
Product: Server, suite: TerminalServer SingleUserTS
kernel32.dll version: 5.2.3790.4480 (srv03_sp2_gdr.090321-1244)
Machine Name:
Debug session time: Wed Mar 16 16:36:10.000 2011 (GMT-5)
System Uptime: 17 days 10:34:26.068
Process Uptime: 1 days 15:19:14.000
Kernel time: 0 days 1:24:01.000
User time: 0 days 22:07:58.000

0:042> .sympath
Symbol search path is: C:\mscordacwks\v2.0.50727.3615;C:\__exe;SRV*C\Symbols*referencesource.microsoft.com/symbols;SR...icrosoft.com/symbols

0:042> .exepath
Executable image search path is: C:\__exe;C:\__target\Windows\SysWOW64;

0:042> .reload

[ ... skipped ... ]

0:042> .reload /u ntdll.dll
Unloaded ntdll.dll
0:042> .reload /v /f ntdll.dll
AddImage: C:\WINDOWS\system32\ntdll.dll // why is it still c:\windows\system32
DllBase = 7d600000
Size = 000f0000
Checksum = 000c371a
TimeDateStamp = 4cc1831e

0:042> lm
[ ... skipped ... ]
7d600000 7d6f0000 ntdll (pdb symbols) c:\symbols\wntdll.pdb\9ED8E09C6723448380648C4456726AEF2\wntdll.pdb

0:042> !heap
*************************************************************************
*** Your debugger is not using the correct symbols ***
[ ... skipped ... ]
*** Type referenced: ntdll!_HEAP_ENTRY ***
*************************************************************************
Invalid type information

0:042> lmi vm ntdll
start end module name
7d600000 7d6f0000 ntdll (pdb symbols) ntdll.dll
Symbol file: c:\symbols\wntdll.pdb\9ED8E09C6723448380648C4456726AEF2\wntdll.pdb
Image path: C:\WINDOWS\system32\ntdll.dll
Image name: ntdll.dll
Timestamp: Fri Oct 22 07:27:10 2010 (4CC1831E)
CheckSum: 000C371A
ImageSize: 000F0000
File version: 5.2.3790.4789 // this is correct and correspond to target computer
Product version: 5.2.3790.4789
File flags: 0 (Mask 3F)
File OS: 40004 NT Win32
File type: 2.0 Dll
File date: 00000000.00000000
Translations: 0409.04b0
CompanyName: Microsoft Corporation
ProductName: MicrosoftR WindowsR Operating System
InternalName: ntdll.dll
OriginalFilename: ntdll.dll
ProductVersion: 5.2.3790.4789
FileVersion: 5.2.3790.4789 (srv03_sp2_gdr.101019-0340)
FileDescription: NT Layer DLL
LegalCopyright: c Microsoft Corporation. All rights reserved.


---
BR,
Alexei
 
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