Hi Ralph and all, I've find that this question is a known bug https://svn.open-mpi.org/trac/ompi/ticket/972 .
This bug is resolved in version 1.3.1. I've created the BIN RPM without the known issue with -D_FORTIFY_SOURCE=2. You can DL the bin RPM at: http://www.itss.it/public_ftp/openmpi/openmpi-1.3.1-1.i386.rpm.without_FORTIFY_SOURCE or the souce one at: http://www.itss.it/public_ftp/openmpi/openmpi-1.3.1-1.src.rpm.without_FORTIFY_SOURCE Bye Alex
