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Subject: Re: [OMPI users] Deadlock with barrier und RMA
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-06-11 09:24:24


Oh my - that is such an old version! Any reason for using it instead of something more recent?

On Jun 11, 2011, at 8:43 AM, Ole Kliemann wrote:

> Hi everyone!
>
> I'm trying to use MPI on a cluster running OpenMPI 1.2.4 and starting
> processes through PBSPro_11.0.2.110766. I've been running into a couple
> of performance and deadlock problems and like to check whether I'm
> making a mistake.
>
> One of the deadlocks I managed to boil down to the attached example. I
> run it on 8 cores. It usually deadlocks with all except one process
> showing
>
> start barrier
>
> as last output.
>
> The one process out of order shows:
>
> start getting local
>
> My question at this point is simply whether this is expected behaviour
> of OpenMPI.
>
> Thanks in advance!
> Ole
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