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September 2009 - Posts

Special Command—Saving Modules Using .writemem

This command enables you to save memory into a disk file. The cool thing about it is that you can save modules too; however, it is just the raw memory. The parameters are: .writemem <filename> <range> Here is an example: 0:026> lm start Read More...
Posted Wednesday, September 23, 2009 12:00 AM by Roberto Farah | 1 Comments

Special Command—Using .dump/.dumpcab to Get Dumps and Symbols from Production Servers

Using WinDbg you can create a dump file from an application running, for instance, in a production server. After collecting the dump file, you can load it in another machine and debug it. However, to be more effective during your debugging session you Read More...
Posted Wednesday, September 16, 2009 12:55 AM by Roberto Farah | 3 Comments

Special Command—Using !chksym/!itoldyouso to Check PDB Files Against Modules

These are two debugger extensions that are used to see the PDB file that matches a specific module. Note that !itoldyouso is not documented. The output of both commands is identical. Usage: 0:025> !chksym ntdll ntdll.dll Timestamp: 49EEA706 SizeOfImage: Read More...
Posted Friday, September 04, 2009 6:46 PM by Roberto Farah | 0 Comments
 
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