On 08/07/2014 11:49 AM, Ralph Castain wrote:
On Aug 7, 2014, at 8:47 AM, Reuti <re...@staff.uni-marburg.de
<mailto:re...@staff.uni-marburg.de>> wrote:
Am 07.08.2014 um 17:28 schrieb Gus Correa:
I guess Control-C will kill only the mpirun process.
You may need to kill the (two) jules.exe processes separately,
say, with kill -9.
ps -u "yourname"
will show what you have running.
Shouldn't Open MPI clean this up in a proper way when Control-C is
pressed?
So far as I know, it does...
How about processes in D state, waiting for a slow/busy NFS server?
Could this prevent Control-C to do the right thing?
Gus Correa
But maybe there is something left in /tmp like
"openmpi-sessions-...@..." which needs to be removed.
-- Reuti
On 08/07/2014 11:16 AM, Jane Lewis wrote:
Hi all,
This is a really simple problem (I hope) where I’ve introduced MPI to a
complex numerical model which I have to kill occasionally with Control-C
as I don’t want it running forever.
I have only used mpi_init(), mpi_comm_size(), mpi_comm_rank() and
mpi_finalize()– there are no send/receive calls going on at the moment –
and I only have two instances. My startup command is:
#/bin/bash
/opt/openmpi/bin/mpirun -np 2 -hostfile hostfile jules.exe
where hostfile has one entry : localhost
The result of terminating the process with Control-C at the command
prompt from where I launched it, is that I am then unable to run it
again. I get the
“mpirun has exited due to process rank 0 with PID 10094 on node
metclcv10.local exiting improperly. There are two reasons this could
occur:…” error each time despite checking running processes for
stragglers, closing my terminal, or changing node.
I have spent several hours searching for an answer to this, if it’s
already somewhere then please point me in the right direction.
many thanks in advance
Jane
For info:
#ompi_info -v ompi full --parsable
package:Open MPI root@centos-6-3.localdomain
<mailto:root@centos-6-3.localdomain> Distribution
ompi:version:full:1.6.2
ompi:version:svn:r27344
ompi:version:release_date:Sep 18, 2012
orte:version:full:1.6.2
orte:version:svn:r27344
orte:version:release_date:Sep 18, 2012
opal:version:full:1.6.2
opal:version:svn:r27344
opal:version:release_date:Sep 18, 2012
mpi-api:version:full:2.1
ident:1.6.2
I’m using centos-6-3 and FORTRAN.
Jane Lewis
Deputy Technical Director, Reading e-Science Centre
Department of Meteorology
University of Reading, UK
Tel: +44 (0)118 378 5173
http://www.resc.reading.ac.uk <http://www.resc.reading.ac.uk/>
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