[MPICH] core dumps MPICH & Linux

Darius Buntinas buntinas at mcs.anl.gov
Thu Oct 26 09:34:50 CDT 2006


Note that MPICH2 does not (yet) run on heterogeneous clusters.  If you're
getting crashes, this may be why.

Try running
  ulimit -c
using mpiexec (as if it were an mpi program).  That will show you what the
limit is actually set at on each node.

-d


On Thu, 26 Oct 2006, Wolfram Brenig wrote:

> I'm trying to force core dumps on
> a heterogeneous linux cluster running
> mpich2version: 1.0.2 and SuSE linux
> versions 9.2 and 10.0.
>
> I have set "ulimit -c unlimited" on all
> nodes.
>
> When I run non-parallel code I can get
> core dumps. But no parallel program will
> core dump.
>
> Any help, or hint where to get info
> would be most appreciated.
>
> From searching the WWW I got the
> impression that linux may not be able
> to do core dumps with MPI. Is this so?
>
> Wolfram
>
>
>




More information about the mpich-discuss mailing list