<m.delo...@surrey.ac.uk> writes: > Since I don't have the hand on the cluster administration, and the > "default" installation of openMPI is an old one,
Perhaps there's a good reason for that, as there is here. > I compiled and installed myself Open-MPI 1.8.6 and prepended paths > (general and library) to ensure the use of my version of mpi. Doubtless unhelpful, but my initial response as support staff would be (a) why? (b) why didn't you ask us? > Open MPI has been configured with the flags --with-sge, and grepping grid > engine in ompi_info returns something that looks correct : > > > MCA ras: gridengine (MCA v2.0, API v2.0, Component v1.8.6) > > > > Now when running a simple script, displaying the hostname, on two slots > binded on one single node, I get the following message : > > > [galaxy1:44361] Error: unknown option "--hnp-topo-sig" > > Segmentation fault I'd say it's clearly not anything in SGE that's segfaulting, and the only direct connexion with SGE is tight integration when OMPI arranges to use qrsh (though most people seem to know more about SGE than I do these days). > -------------------------------------------------------------------------- > > ORTE was unable to reliably start one or more daemons. > > This usually is caused by: > > > * not finding the required libraries and/or binaries on > > one or more nodes. Please check your PATH and LD_LIBRARY_PATH > > settings, or configure OMPI with --enable-orterun-prefix-by-default Grepping with strings(1) on all the relevant binaries would probably indicate that's good advice. I don't think such arguments are documented.