It wasn't the launcher that was broken, but termination detection, and not for all environments (e.g., worked fine for slurm). It is a progress-related issue.
Should be fixed in r25245. On Oct 10, 2011, at 8:33 AM, Shamis, Pavel wrote: > + 1 , I see the same issue. > >> -----Original Message----- >> From: devel-boun...@open-mpi.org [mailto:devel-boun...@open-mpi.org] >> On Behalf Of Yevgeny Kliteynik >> Sent: Monday, October 10, 2011 10:24 AM >> To: OpenMPI Devel >> Subject: [OMPI devel] Launcher in trunk is broken? >> >> It looks like the process launcher is broken in the OMPI trunk: >> If you run any simple test (not necessarily including MPI calls) on 4 or >> more nodes, the MPI processes won't be killed after the test finishes. >> >> $ mpirun -host host_1,host_2,host_3,host_4 -np 4 --mca btl sm,tcp,self >> /bin/hostname >> >> Output: >> host_1 >> host_2 >> host_3 >> host_4 >> >> And test is hanging...... >> >> I have an older trunk (r25228), and everything is OK there. >> Not sure if it means that something was broken after that, or the problem >> existed before, but kicked in only now due to some other change. >> >> -- YK >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org >> hxxp://www.open-mpi.org/mailman/listinfo.cgi/devel > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel