Ricardo- I don't have experience with your configuration, however, I can tell you that openmpi 1.2.4 installed via macports worked fine when I compiled 4.0 with g95 on my Mac.
If all else fails you can try that configuration. Cheers, -Yaser Rehem Rehem Research & Consulting On Apr 22, 2008, at 6:18 AM, Riccardo Sabatini wrote: > Hi everyone, > > i'm starting in these days to setup a little cluster (well, just > two intel mac dual > core, osx 10.5.2) to learn how parallel processing works. I'm working > with the espresso > version 4.0 and i have Intel Fortran compiler (v10) and gcc from the > developers tools > (xcode 2.5, gcc 4.01) on both the machines. > > I downloaded and compiled OpenMPI and i'm pretty sure it works > fine on both computer > (i tried with a very simple program from the openmpi website). Now i > tried to compile QE > with all the wrappers (mpif90, mpicc, mpicxx, mpif77) in the make.sys, > at least that's > what the openmpi suggests to do in their FAQ. The compilation runs > perfectly but when i > try to run a simple simulation the programs fails with this error > message > > *** An error occurred in MPI_Comm_f2c > *** before MPI was initialized > *** MPI_ERRORS_ARE_FATAL (goodbye) > [rikis-macbook.local:56606] Abort before MPI_INIT completed > successfully; not able to > guarantee that all other processes were killed! > > The command i use is > > mpirun -np 2 $PWROOT/bin/pw.x < si.scf.in > > and i run it on just one mac (my laptop). To be precise i can see > two times the > error, as if both the processes break for the same problem. I > understood the problem is > the fortran-c handler but i really have no idea how to fix this. I > haven't worked yet on > the real cluster but i think if it's not working with the dual core > alone no hope with > the rest.... > > Waiting for your news, thanks a lot for the help. Kind regards, > > Riccardo > > ---------------------------------------------------------------- > SISSA Webmail https://webmail.sissa.it/ > Powered by Horde http://www.horde.org/ > > > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://www.democritos.it/mailman/listinfo/pw_forum