Hi Ralph,
I've downloaded and tested the openmpi-1.7a1r22817 snapshot, and it works fine for (multiple) spawning more than 128 processes. That fix will be included in the next release of OpenMPI, right ? Do you when it will be released ? Or where I can find that info ? Thank you, Federico 2010/3/1 Ralph Castain <r...@open-mpi.org> > http://www.open-mpi.org/nightly/trunk/ > > I'm not sure this patch will solve your problem, but it is worth a try. > > > >