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
>
>
>
>
>
>
>
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