Thanks. I'll look into this. Markus: does this happen only with SLURM or can you reproduce this without SLURM as well? -- Pavan On 06/01/2013 02:39 PM, Rajeev Thakur wrote:

I have created a ticket for it: http://trac.mpich.org/projects/mpich/ticket/1871

Rajeev

On Jun 1, 2013, at 10:29 AM, Markus Geimer wrote:

...

Jeff,

...

Have you tried MPICH 3.0.4? Hydra has been improved a great deal since the 2.4 release.

As I wrote: We first tried the latest and greatest, i.e., MPICH 3.0.4. Only afterwards we tried MPICH2 1.5 to see whether previous versions behave the same. Unfortunately, both show the same behavior.

The predecessor version MPICH2 1.4.1p1, however, works. Therefore we assume that some bug sneaked in between 1.4.1p1 and 1.5.

Markus

-- Dr. Markus Geimer Juelich Supercomputing Centre Institute for Advanced Simulation Forschungszentrum Juelich GmbH 52425 Juelich, Germany

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