Hey Michael Check ompi_info and ensure that the PMI support built - you have to explicitly ask for it and provide the path to pmi.h
> On Dec 16, 2015, at 6:48 AM, Michael Di Domenico <[email protected]> > wrote: > > > i just compiled and installed Slurm 14.11.4 and Openmpi 1.10.0. but i > seem to have an srun oddity i've not seen before and i'm not exactly > sure how to debug it > > srun -n 4 hello_world > - does not run, hangs in MPI_INIT > > srun -n 4 -N1 hello_world > - does not run, hangs in MPI_INIT > > srun -n 4 -N 4 > - runs one task per node > > sbatch and salloc seem to work okay launching using mpirun inside, and > mpirun works without issue outside of slurm > > i disabled all the gres and cgroup controls and all that > > has anyone seen this before?
