Would like to tell me how to use 

(gdb --batch -ex 'bt full' -ex 'info reg' -pid ZOMBIE_PID)

in MPI ? 

I need to use #PBS parallel job script to submit a job on MPI cluster. 

Where should I put the (gdb --batch -ex 'bt full' -ex 'info reg' -pid ZOMBIE_PID) in the script ? 

How to get the ZOMBIE_PID ? 


Any help is appreciated. 


Oct. 25 2010

Date: Mon, 25 Oct 2010 19:01:38 +0200
Subject: Re: [OMPI users] Open MPI program cannot complete

On Mon, Oct 25, 2010 at 18:26, Jack Bryan <> wrote:
Thanks, the problem is still there.

This really doesn't prove that there are no outstanding asynchronous requests, but perhaps you know that there are not, despite not being able to post a complete test case here.  I suggest attaching a debugger and getting a stack trace from the zombies (gdb --batch -ex 'bt full' -ex 'info reg' -pid ZOMBIE_PID).


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