On Tue, Oct 17, 2017 at 8:54 AM, Peter Kjellström <c...@nsc.liu.se> wrote: >> however, your test above fails on my machines >> >> user@n1# ib_acme -d n3 >> service: localhost >> destination: n3 >> ib_acm_resolve_ip failed: cannot assign requested address >> return status 0x0 > > Did this fail instantly or with the typical ~1m timeout?
it fails instantly. > If you have IntelMPI also try what I suggested and use the ucm dapl. > For example for the first port on an mlx4 hca that's "ofa-v2-mlx4_0-1u". > > You can make sure that it comes first in your dat.conf (/etc/rmda > or /etc/infiniband) or pass it explicitly to IntelMPI: > > I_MPI_DAPL_PROVIDER=ofa-v2-mlx4_0-1u mpiexec.hydra ... > > You may want to set I_MPI_DEBUG=4 or so to see what it does. i'll give this a whirl today hopefully _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf