diff --git a/opal/etc/openmpi-mca-params.conf b/opal/etc/openmpi-mca-params.conf index 09c1ac30..4e2b244f 100644 --- a/opal/etc/openmpi-mca-params.conf +++ b/opal/etc/openmpi-mca-params.conf @@ -57,3 +57,14 @@ # See "ompi_info --param all all --level 9" for a full listing of Open # MPI MCA parameters available and their default values. + +# Silence this warning on Debian, as many systems don't have openfabric +# but the warning breaks higher layers or application +btl_base_warn_component_unused=0 +# Avoid openib an in case applications use fork: see https://github.com/ofiwg/libfabric/issues/6332 +# If you wish to use openib and know your application is safe, remove the following: +# Similarly for UCX: https://github.com/open-mpi/ompi/issues/8367 +mtl = ^ofi +btl = ^uct,openib,ofi +pml = ^ucx +osc = ^ucx,pt2pt \ No newline at end of file