On Sun Jul 21 11:47:51 UTC 2013 Susi Lehtola wrote : > Are you sure you have the correct MPI runtime loaded? All sorts of > strange things can happen if you try running an MPI binary with the > wrong runtime libraries, e.g. mpich2 binary with openmpi. Yes, I had only one MPI installed at the time, and I did ldd every which way. There are more details in bugzilla : https://bugzilla.redhat.com/show_bug.cgi?id=986409 and in the openmpi users list : http://www.open-mpi.org/community/lists/users/2013/07/22346.php but basically on my home workstation openmpi does not get along with the hwloc to which it is linked in Fedora 18.
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