To tie up this issue for the web mail archives...
There were a bunch more off-list emails exchanged on this thread. It was
determined that something is going wrong down in the IB networking stack. It
looks like it may be a problem in the environment itself, not Open MPI. The
user is continui
Ok, this looks like the same type of output running ring_c as your Python MPI
app -- good. Using a C MPI program for testing just eliminates some possible
variables / issues.
Ok, let's try running again, but add some more command line parameters:
mpirun -n 2 --machinefile hosts --mca plm_base_
(we've conversed a bit off-list; bringing this back to the list with a good
subject to differentiate it from other digest threads)
I'm glad the tarball I provided (that included the PMIx fix) resolved running
"uptime" for you.
Can you try running a plain C MPI program instead of a Python MPI pr
see also: https://pastebin.com/s5tjaUkF
(py3.9) ➜ /share cat hosts
192.168.180.48 slots=1
192.168.60.203 slots=1
1. This command now runs correctly using your
openmpi-gitclone-pr11096.tar.bz2
(py3.9) ➜ /share mpirun -n 2 --machinefile hosts --mca plm_base_verbose
100 --mca rmaps_base_verbose
