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Subject: Re: [OMPI devel] Silly question
From: Ralph Castain (rhc_at_[hidden])
Date: 2010-03-15 20:24:16


There was a bug in the system that I fixed a few days ago on the developer's trunk - you might want to update.

On Mar 15, 2010, at 5:56 PM, Leonardo Fialho wrote:

> I know that it should be uncommon but why I get an error while I try to run a "parallel" application with only one process?
>
> aopclf:ping fialho$ mpirun -np 1 ./ping
> [Fialho-2.local:02834] OPAL dss:unpack: got type 32 when expecting type 9
> [Fialho-2.local:02834] [[57446,1],0] ORTE_ERROR_LOG: Pack data mismatch in file ../../../../orte/mca/grpcomm/base/grpcomm_base_modex.c at line 330
> [Fialho-2.local:02834] [[57446,1],0] ORTE_ERROR_LOG: Pack data mismatch in file ../../../../../orte/mca/grpcomm/bad/grpcomm_bad_module.c at line 444
> aopclf:ping fialho$
>
> I understand the error and I know the reason, but this is a limitation from Open MPI (due to modex?) or from the MPI standard?
>
> Leonardo
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