Itamar Kass wrote:
Hi,

I have installed GROMACS 4.0.5 on our cluster (gcc 4.2.1, Open MPI
1.2.3) whereas only mdrun was install with -enable-mpi flag. When I
try to run it via a script (grompp -f pr_complex.mdp -c
complex_from_EM.gro -p complex.top -n complex.ndx -po
complex_from_PR.mdp -o complex_for_PR.tpr) I get this:

/var/spool/torque/mom_priv/jobs/995. ... .SC: line 23:  5128
Segmentation fault      grompp ...

When I run grompp out of the script it runs fine.

Does someone has any idea about this?

Don't you have any more information?
If you run PBS you can run interactively using
qsub -I
and then run grompp on one of your nodes to see what happens.
ldd `which grompp` may also be instructive.

Best,
Itamar
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