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Subject: Re: [OMPI users] [Open MPI Announce] Critical bug notice
From: Åke Sandgren (ake.sandgren_at_[hidden])
Date: 2009-03-27 14:54:07


On Fri, 2009-03-27 at 11:34 -0700, Jeff Squyres wrote:
> The Open MPI team has uncovered a serious bug in Open MPI v1.3.0 and
> v1.3.1: when running on OpenFabrics-based networks, silent data
> corruption is possible in some cases. There are two workarounds to
> avoid the issue -- please see the bug ticket that has been opened
> about this issue for further details:
>
> https://svn.open-mpi.org/trac/ompi/ticket/1853
>
> We strongly encourage all users who are using Open MPI v1.3.0 and/or
> v1.3.1 on OpenFabrics-based networks to read this ticket and use one
> of the workarounds described there.
>
> The Open MPI team is working on a fix; it will be included in the
> v1.3.2 release. Updates will be posted to the ticket.

Will --with-memory-manager=none also work?
I guess it would but I'd like a confirmation of this.

The reason is that I'm having problems with BLACS with the
memory-manager turned on.

-- 
Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
Internet: ake_at_[hidden]   Phone: +46 90 7866134 Fax: +46 90 7866126
Mobile: +46 70 7716134 WWW: http://www.hpc2n.umu.se