Hi everyone, I’ve been having difficulty getting the --mpi=pmix_v3 option to work for me. I can get --mpi=pmi2 to work ok, but I really want to understand what I’m doing wrong here. Everything seems to build ok.
$ srun --mpi=list srun: MPI types are... srun: pmix srun: pmix_v3 srun: cray_shasta srun: none srun: pmi2 $ srun --mpi=pmix_v3 -N5 date srun: error: task 1 launch failed: Invalid MPI plugin name srun: error: task 2 launch failed: Invalid MPI plugin name srun: error: task 3 launch failed: Invalid MPI plugin name srun: error: task 4 launch failed: Invalid MPI plugin name srun: error: task 0 launch failed: Invalid MPI plugin name $ srun --mpi=pmi2 -N5 date Fri Dec 4 13:52:39 EST 2020 Fri Dec 4 13:52:39 EST 2020 Fri Dec 4 13:52:39 EST 2020 Fri Dec 4 13:52:39 EST 2020 Fri Dec 4 13:52:39 EST 2020 openpmix: CC=/opt/rh/devtoolset-10/root/usr/bin/gcc ./configure --prefix=/share/local/pmix-3.2.1 --with-hwloc=/share/local/hwloc-2.4.0 Slurm 20.11.0: rpmbuild --define "_with_pmix --with-pmix=/fs/local/pmix-3.2.1" -ta slurm-20.11.0.tar.bz2 From config.log: ./configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc/slurm --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-pmix=/fs/local/pmix-3.2.1 --disable-slurmrestd Open MP 4.0.5: ./configure '--prefix=/share/openmpi-4.0.5' '--with-cuda' '--with-pmix=/share/local/pmix-3.2.1' '--with-pmi=/usr' '--with-slurm' '--without-ucx' '--without-verbs' -- Philip J. Yuengling Johns Hopkins University