Charles, did you build Open MPI with the external PMIx ? iirc, Open MPI 2.0.x does not support cross version PMIx
Cheers, Gilles On Sun, Aug 6, 2017 at 7:59 PM, Charles A Taylor <chas...@ufl.edu> wrote: > >> On Aug 6, 2017, at 6:53 AM, Charles A Taylor <chas...@ufl.edu> wrote: >> >> >> Anyone successfully using PMIx with OpenMPI and SLURM? I have, >> >> 1. Installed an “external” version (1.1.5) of PMIx. >> 2. Patched SLURM 15.08.13 with the SchedMD-provided PMIx patch (results in >> an mpi_pmix plugin along the lines of mpi_pmi2). >> 3. Built OpenMPI 2.0.1 (tried 2.0.3 as well). >> >> However, when attempting to launch MPI apps (LAMMPS in this case), I get >> >> [c9a-s2.ufhpc:08914] PMIX ERROR: UNREACHABLE in file >> src/client/pmix_client.c at line 199 >> > I should have mentioned that I’m launching with > > srun —mpi=pmix … > > If I launch with > > srun —mpi=pmi2 ... > > the app starts and runs without issue. > > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users