Re: [OMPI users] Problem in starting openmpi job - no output just hangs

2020-08-19 Thread Jeff Squyres (jsquyres) via users
Tony -- Have you tried compiling Open MPI with UCX support? This is Mellanox (NVIDIA's) preferred mechanism for InfiniBand support these days -- the openib BTL is legacy. You can run: mpirun --mca pml ucx ... > On Aug 19, 2020, at 12:46 PM, Tony Ladd via users > wrote: > > One other updat

Re: [OMPI users] Problem in starting openmpi job - no output just hangs

2020-08-19 Thread Tony Ladd via users
One other update. I compiled OpenMPI-4.0.4 The outcome was the same but there is no mention of ibv_obj this time. Tony -- Tony Ladd Chemical Engineering Department University of Florida Gainesville, Florida 32611-6005 USA Email: tladd-"(AT)"-che.ufl.edu Webhttp://ladd.che.ufl.edu Tel: