P.P.S. I ran the same test with OpenMPI 1.5.4, the behaviour is the same.
Evgeniy Message: 10 List-Post: users@lists.open-mpi.org Date: Sat, 28 Jan 2012 08:24:39 -0500 From: Jeff Squyres <jsquy...@cisco.com> Subject: Re: [OMPI users] MPI_Barrier, again To: Open MPI Users <us...@open-mpi.org> Message-ID: <1859c141-813d-46ba-97bc-4b0290fb3...@cisco.com> Content-Type: text/plain; charset=us-ascii Is there any chance you can make a small-ish reproducer of the issue that we can run?