[GE users] Yet another qdel mpich problem (SGE 6.0u1)

Vladimir Florinski vflorins at ucr.edu
Wed Sep 8 19:52:54 BST 2004

On Wed, 2004-09-08 at 07:53, Sean Dilda wrote:
> On Tue, 2004-09-07 at 19:54, Vladimir Florinski wrote:
> > It appears the problem with the qdel command (inability to terminate the
> > children processes) continues to haunt MPI users. 
> I do no have this problem on my cluster.  I used to have it, but fixed
> it by hacking mpich to not create its own process group by default. 
> There's also a similar fix you can do in the submit script.
> > #$ -N inst-nn-6
> > #$ -cwd
> > #$ -pe mpi 2-10
> > #$ -v MPIR_HOME
> > /opt/mpich-gm/bin/mpirun.ch_gm --gm-no-shmem -machinefile
> > $TMPDIR/machines --gm-kill 15 -np $NSLOTS ./mpi_main -new 100.0
> Is this script in tcsh?  If so, try adding the line:
> before your call to mpirun.
> One note, I don't use the myrinet extensions, so I'm not sure if that
> will change things or not.

I forgot to mention that I tried this suggestion already using


(my startup is a bash script), but it didn't fix the qdel problem. Is
this supposed to work with MPICH 1.2.5? Perhaps the version of MPICH
distributed by Myricom does not have this enabled...

Vladimir Florinski
Assistant Research Physicist
Institute of Geophysics and Planetary Physics
University of California
Riverside, CA 92521
phone: 1-909-787-3943
fax: 1-909-787-4509

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