Try adding --hetero-nodes to your mpirun cmd line On Sep 14, 2014, at 8:25 AM, Alina Sklarevich <ali...@dev.mellanox.co.il> wrote:
> Hello, > > > I am using ompi-v1.8 and have come across the following error: > > > -------------------------------------------------------------------------- > > Open MPI tried to bind a new process, but something went wrong. The > > process was killed without launching the target application. Your job > > will now abort. > > > Local host: vegas17 > > Application name: trivial/test_get__trivial/c_hello > > Error message: hwloc_set_cpubind returned "Error" for bitmap "0,16" > > Location: odls_default_module.c:551 > > -------------------------------------------------------------------------- > > > This happens when running a simple trivial test with the following command > line: > > > mpirun --map-by node --bind-to core -display-map -np 2 -mca pml ob1 > …/trivial/test_get__trivial/c_hello > > > What seems to eliminate this error is changing the binding policy from core > to none (--bind-to none). > > The only nodes which are issuing this error are always the nodes which have > GPUs in them. > > When running the same command line on other non-GPU nodes, there is no error. > > I’m using Slurm to allocate the nodes. > > > Has anyone seen this issue or knows what’s wrong here? > > > Thanks, > > Alina. > > _______________________________________________ > 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/2014/09/15824.php
