In Ubuntu, I've noticed a couple of build and autopkgtest failures due to this recently. I've been using the following workaround:
export OMPI_MCA_btl_base_warn_component_unused=0
In Ubuntu, I've noticed a couple of build and autopkgtest failures due to this recently. I've been using the following workaround:
export OMPI_MCA_btl_base_warn_component_unused=0