[Beowulf] Re: Beowulf Digest, Vol 40, Issue 9

Håkon Bugge Hakon.Bugge at scali.com
Tue Jun 12 04:00:23 EDT 2007


At 21:00 08.06.2007, Mark Hahn wrote:
>Message: 1
>Date: Fri, 8 Jun 2007 12:11:10 -0400 (EDT)
>From: Mark Hahn <hahn at mcmaster.ca>
>Subject: [Beowulf] backtraces
>To: Beowulf Mailing List <beowulf at beowulf.org>
>
>I had a user grumble about how it was not trivial to get
>a basic backtrace on our clusters.  his jobs tend to be 32-128p,
>and run for a week, so it's not ideal to run them under the debugger.


Using Scali MPI Connect, you can easily install 
signal handlers. When the signal(s) is caught, 
the application continues to run, the offending 
process writes out its registers and you can 
conveniently attach it with your favorite debugger.


Regards, Håkon



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