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Subject: [OMPI users] random error bugging me..
From: thomas.forde_at_[hidden]
Date: 2014-01-18 16:43:47


Hi

I have had a running cluster going good for a while, and 2 days ago we
decided to upgrade it from 128 to 256 cores.

Most om my deployment of nodes goes through cobbler and scripting, and it
has worked fine before.on the first 8 nodes.

But after adding new nodes, everything is fucked up and i have no idea
why:(

#*** The MPI_Comm_f2c() function was called after MPI_FINALIZE was
invoked.
*** This is disallowed by the MPI standard.
*** Your MPI job will now abort.
[dpn10.cfd.local:14994] Local abort after MPI_FINALIZE completed
successfully; not able to aggregate error messages, and not able to
guarantee that all other processes were killed!
*** The MPI_Comm_f2c() function was called after MPI_FINALIZE was invoked.
*** This is disallowed by the MPI standard.
*** Your MPI job will now abort.
#

The random strange issue that if i launch 8 32core jobs, 3 end of running,
while the other 5 dies with this error, and its even using a few of new
nodes in the job.

Any idea what is causing it?, its so random i dont know where to start..

./Thomas

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