New SystemDump tool

Crash dump 불펌스페샬 2007. 5. 13. 23:34 posted by CecilDeSK
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Not really new as it was previously called CtxBSOD v2.1 but was renamed to better show its purpose. In addition to renaming I added a command line option to dump a system remotely or from a command line locallywithout using its GUI interface. The main motivation for me to write this tool was the absence of similar tools for 64-bit Windows. SystemDumpcan dump a 64-bit server too!

You can download it form Citrix support web site (requires free registration):

http://support.citrix.com/article/CTX111072

Main features:

  • The tool has both GUI and command line interfaces.
  • Youcan type a message/text (or copy it from clipboard) before forcing a memory dump. This message is saved in a dump and a support engineer can read it after loading the dump in WinDbg.exe. This is implemented to encourage writing the symptoms and conditions explaining why the dump has to be forced.
  • The tool can stay on top of any window (if you need this to quickly dump the server after a reproduction or during the process of an activity).
  • It is supplied with Program Database (PDB) symbols for the driver (32-bit and 64-bit) which is useful when you want to have all symbols present on the bug check thread.
  • The bug check clearly shows that the dump is manually generated.
  • The tool can force a memory dump on both 32-bit and 64-bit platforms.
  • Before forcing a fatal error on a server, the tool warns about potential damaging consequences: Users are disconnected and all the data which is not saved will be lost. It asks for a confirmation.
  • You can specify a period of time (in minutes) when to force a memory dump.

The latter featureis implemented entirely in kernel. Additional commandthat not covered in the article is

>SystemDump.exe abort

allows you to abort the action if you ran the toolusing command line options.

I attached the UML component diagram showing the architecture of this tool.I recently developed apresentation about device drivers architectureand Citrix kernel drivers where I used this tool asone of examples.

systemdumparchitecture.jpg



- Dmitry Vostokov -

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