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Subject: Re: [OMPI users] help: sm btl does not work when I specify the same host twice or more in the node list
From: Ralph Castain (rhc.openmpi_at_[hidden])
Date: 2012-02-14 09:55:31


It looks like your script is stripping away the OMPI envars. That will break the job. Can you look at the script and see why it does that?

Sent from my iPad

On Feb 14, 2012, at 6:44 AM, yanyg_at_[hidden] wrote:

> Hi Jeff,
>
> The command "env | grep OMPI" output nothing but a blank line
> from my script. Anything I should set for mpirun?
>
> On the other hand, you may get reminded that I found you
> discussed some similar issue with Jonathan Dursi. The difference
> is that when I tried with --mca btl_sm_num_fifos #(np-1), it does
> not work with me, and I did find those files in the tmp directory that
> sm mmaped in(shared_mem_pool.ibnode001, etc), but for some
> mysterious reason, it hang at MPI_Init, so these files are created
> when we call MPI_Init?
>
> Thanks,
> Yiguang
>
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