Interesting. Never seen that happen. Let me see what is going on. Probably a problem with one of the pending coll/ml patches that haven't made it into 1.8.
-Nathan On Wed, Jun 11, 2014 at 01:39:24PM -0700, Rolf vandeVaart wrote: > Hearing no response, I assume this is not a known issue so I submitted > https://svn.open-mpi.org/trac/ompi/ticket/4709 > > Nathan, is this something that you can look at? > > > > Rolf > > > > From: devel [mailto:devel-boun...@open-mpi.org] On Behalf Of Rolf > vandeVaart > Sent: Friday, June 06, 2014 1:55 PM > To: de...@open-mpi.org > Subject: [OMPI devel] iallgather failures with coll ml > > > > On the trunk, I am seeing failures of the ibm tests iallgather and > iallgather_in_place. Is this a known issue? > > > > $ mpirun --mca btl self,sm,tcp --mca coll ml,basic,libnbc --host > drossetti-ivy0,drossetti-ivy0,drossetti-ivy1,drossetti-ivy1 -np 4 > iallgather > > [**ERROR**]: MPI_COMM_WORLD rank 0, file iallgather.c:77: > > bad answer (0) at index 1 of 4 (should be 1) > > [**ERROR**]: MPI_COMM_WORLD rank 1, file iallgather.c:77: > > bad answer (0) at index 1 of 4 (should be 1) > > > > Interestingly, there is an MCA param to disable it in coll ml which allows > the test to pass. > > > > $ mpirun --mca coll_ml_disable_allgather 1 --mca btl self,sm,tcp --mca > coll ml,basic,libnbc --host > drossetti-ivy0,drossetti-ivy0,drossetti-ivy1,drossetti-ivy1 -np 4 > iallgather > > $ echo $? > > 0 > > > > > > > > -------------------------------------------------------------------------- > > This email message is for the sole use of the intended recipient(s) and > may contain confidential information. Any unauthorized review, use, > disclosure or distribution is prohibited. If you are not the intended > recipient, please contact the sender by reply email and destroy all copies > of the original message. > > --------------------------------------------------------------------------
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