Can you run wrf successfully on one node?
Can you run a simple code across your two nodes?  I would try hostname then some simple MPI program like the ring example.

--td

On 10/25/2011 9:05 AM, Mouhamad Al-Sayed-Ali wrote:
hello,

-What version of ompi are you using
  I am using ompi version 1.4.1-1 compiled with gcc 4.5

-What type of machine and os are you running on
   I'm using linux machine 64 bits.

-What does the machine file look like
  part033
  part033
  part031
  part031

-Is there a stack trace left behind by the pid that seg faulted?
  No, there is no stack trace


Thanks for your help

Mouhamad Alsayed

--
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