On Feb 11, 2013, at 10:17 PM, Paul Gribelyuk <paul.qu...@gmail.com> wrote:

> UPDATE: I wish I could reproduce the error, because now it's gone and I can 
> run the same program from each machine in the hostfile.  

Good!

> I would still be very interested to know what kind of MPI situations are 
> likely to cause these kinds of seg faults….

Usually, this is due to application errors or mismatches of libraries/versions.

-- 
Jeff Squyres
jsquy...@cisco.com
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