AMBER Archive (2009)

Subject: RE: [AMBER] MPI process terminated unexpectedly after cluster upgrade

From: Ross Walker (
Date: Tue Nov 03 2009 - 17:13:45 CST

Hi Dmitri,

> And one thing more.
> mpif90 is in /usr/lib/mvapich-intel-x86_64/bin/ on cluster. There is
> also
> mpirun in this folder but its execution is forbidden. That was made for
> running mpirun only from /usr/bin/. So could it make some problem?

Yes this is almost certainly your problem. If the mpirun being used to
execute the code is not the same mpirun as the mpi installation used to
build the code you will get very strange and unpredictable behavior. Is
there a mpiexec in the mvapich bin directory that you can execute? You may
need to use this instead. Or ask your admin to give you execute permission
on the mvapich mpirun.

Right now if you execute 'which mpirun' which one do you get? If it is the
/usr/bin one and not the mvapich one then this is where your problem lies.

Good luck,

|\oss Walker

| Assistant Research Professor |
| San Diego Supercomputer Center |
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