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Subject: Re: [OMPI devel] Problem when using MPI_Type_create_struct + MPI_Type_dup
From: George Bosilca (bosilca_at_[hidden])
Date: 2013-06-24 12:31:39


Thomas,

I tried your test with the current svn version of the 1.6 (to be 1.6.5 I guess), and your test pass without any issues.

  George.

On Jun 24, 2013, at 15:22 , Thomas Jahns <jahns_at_[hidden]> wrote:

> Hello,
>
> the following code exposes a problem we are experiencing with our OpenMPI
> 1.6.[24] installations.
>
> My colleague Moritz Hanke isolated the problem to an interaction of
> MPI_Type_create_struct with a previous MPI_Type_dup. When MPI_Type_dup on line
> 67 of the example is replaced with a straight assignment of MPI_INT to sends[0],
> the problem goes away.
>
> We are using a patched version of OpenMPI which includes the changes from r28319.
>
> Regards, Thomas Jahns
> --
> Thomas Jahns
> DKRZ GmbH, Department: Application software
>
> Deutsches Klimarechenzentrum
> Bundesstraße 45a
> D-20146 Hamburg
>
> Phone: +49-40-460094-151
> Fax: +49-40-460094-270
> Email: Thomas Jahns <jahns_at_[hidden]>
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