Re: [BProc] Mpich on Nimbus

[Joshua A. <lu...@ln...>]

On Fri, 2005-10-21 at 03:20 -0400, Shobana Ravi wrote:
> I am working on the Nimbus 4 system based on Clustermatic on a 15 node 
> cluster of Opterons. I am having intermittent problems running MPI 
> applications on this.
> 
> While trying to run the the ASCI benchmark sPPM, 4 times out of 5, I get 
> errors that look like this :
> 
> p3_16410:  p4_error: interrupt SIGSEGV: 11
>
> 
> If anybody could help me with this problem, or give me pointers as to what 
> to explore/debug, I would greatly appreciate it.


Build your app with debugging symbols, get the task on the node to dump
a core file when it crashes, copy the core file back to the host node
and analyze using gdb.