HI Gilles, I tried both “—with-pmix=/opt/pmix” and “—with-pmix=internal” and got the same “UNREACHABLE” error both ways. I tried the “external” first since that is what SLURM was built against.
I’m missing something simple/basic - just not sure what it is. Thanks, Charlie > On Aug 6, 2017, at 7:43 AM, Gilles Gouaillardet > <gilles.gouaillar...@gmail.com> wrote: > > 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 _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
