WinDbg shortcuts: .dumpcab
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Suppose you are debugging a process and you want to send its memory dump to another engineer perhaps in a different company. You also use some symbol files that are not available on public symbol servers or your dump is minidump that requires certain images to be loaded too. Then you can use .dumpcab command to save a dump in a CAB file together with necessary symbols and images. You can only do it when your debugging target is a dump file. If you are debugging a live process you need to save a dump file first:
0:000> .dump /ma c:\UserDumps\notepad.dmp
Creating c:\UserDumps\notepad.dmp - mini user dump
Dump successfully written
Then you open the dump file and create a CAB file from it:
Loading Dump File [C:\UserDumps\notepad.dmp]
User Mini Dump File with Full Memory: Only application data is available
[...]
0:001> .dumpcab -a c:\UserDumps\notepad.cab
Creating a cab file can take a VERY VERY long time
.Ctrl-C can only interrupt the command after a file has been added to the cab.
Adding C:\UserDumps\notepad.dmp - added
Adding c:\mss\ntdll.pdb\B958B2F91A5A46B889DAFAB4D140CF252\ntdll.pdb - added
Wrote c:\UserDumps\notepad.cab
Additional information can be found in WinDbg help.
- Dmitry Vostokov @ DumpAnalysis.org -
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August 13th, 2008 at 12:29 pm
.dump with /ba option also saves CAB file with symbols and images included