[Beowulf] mpich2 with gfortran

Rusty Lusk lusk at mcs.anl.gov
Mon Feb 6 17:21:48 EST 2006

From: Geoff Jacobs <gdjacobs at gmail.com>
Subject: [Beowulf] mpich2 with gfortran
Date: Sat, 04 Feb 2006 15:05:50 -0600

> However, when trying the example programs, I fumbled upon a showstopper.
> mpiexec -n 2 ./cpi works fine, but
> mpiexec -n 2 ./pi3f90 hangs with mpiexec using 100% of cpu
> mpiexec -n 2 ./fpi hangs with mpiexec using 100% of cpu
> mpichversion gives
> Version:           1.0.3
> Device:            ch3:sock
> Configure Options: --with-pm=gforker --enable-f90 --enable-f77
> --enable-cxx F77=gfortran F90=gfortran

Both the examples that fail for you are interactive (prompt and read
from stdin).  I know more about the stdio handling in mpd than in
gforker.  Could you try it with the default mpd process manager (and
different version of mpiexec), which works for me?

Rusty Lusk
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