No, it's using 2 nodes. George.
On Tue, Oct 27, 2015 at 12:35 PM, Ralph Castain <r...@open-mpi.org> wrote: > Is this on a single node? > > On Oct 27, 2015, at 9:25 AM, George Bosilca <bosi...@icl.utk.edu> wrote: > > I get intermittent deadlocks wit the latest trunk. The smallest reproducer > is a shell for loop around a small (2 processes) short (20 seconds) MPI > application. After few tens of iterations the MPI_Init will deadlock with > the following backtrace: > > #0 0x00007fa94b5d9aed in nanosleep () from /lib64/libc.so.6 > #1 0x00007fa94b60ec94 in usleep () from /lib64/libc.so.6 > #2 0x00007fa94960ba08 in OPAL_PMIX_PMIX1XX_PMIx_Fence (procs=0x0, > nprocs=0, info=0x7ffd7934fb90, > ninfo=1) at src/client/pmix_client_fence.c:100 > #3 0x00007fa9498376a2 in pmix1_fence (procs=0x0, collect_data=1) at > pmix1_client.c:305 > #4 0x00007fa94bb39ba4 in ompi_mpi_init (argc=3, argv=0x7ffd793500a8, > requested=3, > provided=0x7ffd7934ff94) at runtime/ompi_mpi_init.c:645 > #5 0x00007fa94bb77281 in PMPI_Init_thread (argc=0x7ffd7934ff8c, > argv=0x7ffd7934ff80, required=3, > provided=0x7ffd7934ff94) at pinit_thread.c:69 > #6 0x000000000040150f in main (argc=3, argv=0x7ffd793500a8) at > osu_mbw_mr.c:86 > > On my machines this is reproducible at 100% after anywhere between 50 and > 100 iterations. > > Thanks, > George. > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/10/18280.php > > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2015/10/18281.php >
