Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

Subject: Re: [OMPI devel] Memory corruption with mpool
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-11-02 21:20:46


Note that the problems Chris is talking about *should* only occur if
you have compiled Open MPI with multi-threaded support. Did you do
that, perchance?

On Nov 2, 2009, at 9:26 AM, Mondrian Nuessle wrote:

> Hi Christopher,
>
> >> Do you have any suggestions how to investigate this situation?
> >
> > Have you got OMPI_ENABLE_DEBUG defined? The symptoms of what you are
> > seeing sound like what might happen if debug is off and you
> trigger an
> > issue I posted about here related to thread safety of mpool.
> unfortunately, I have debug turned on (i.e. OMPI_ENABLE_DEBUG is
> defined in include/openmpi/opal_config.h).
>
> Regards,
> Mondrian
>
> --
> Dr. Mondrian Nuessle
> Phone: +49 621 181 2717 University of Heidelberg
> Fax: +49 621 181 2713 Computer Architecture Group
> mailto:nuessle_at_[hidden] http://ra.ziti.uni-heidelberg.de
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>

-- 
Jeff Squyres
jsquyres_at_[hidden]