Hi Jeff, Assuming you did **not** explicitly configure Open MPI with --disable-dlopen, you can try mpirun --mca pml ob1 --mca btl vader,self ...
Cheers, Gilles On Thu, Jun 24, 2021 at 5:08 AM Jeff Hammond via users < users@lists.open-mpi.org> wrote: > I am running on a single node and do not need any network support. I am > using the NVIDIA build of Open-MPI 3.1.5. How do I tell it to never use > anything related to IB? It seems that ^openib is not enough. > > Thanks, > > Jeff > > $ OMP_NUM_THREADS=1 > /proj/nv/Linux_aarch64/21.5/comm_libs/openmpi/openmpi-3.1.5/bin/mpirun > --mca btl ^openib -n 40 > /local/home/jehammond/NWCHEM/nvhpc-mpi-pr/bin/LINUX64/nwchem > w12_b3lyp_cc-pvtz_energy.nw | tee > w12_b3lyp_cc-pvtz_energy.nvhpc-mpi-pr.n40.log > > libibverbs: Warning: couldn't load driver 'libvmw_pvrdma-rdmav25.so': > libvmw_pvrdma-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libsiw-rdmav25.so': > libsiw-rdmav25.so: cannot open shared object file: No such file or directory > libibverbs: Warning: couldn't load driver 'librxe-rdmav25.so': > librxe-rdmav25.so: cannot open shared object file: No such file or directory > libibverbs: Warning: couldn't load driver 'libqedr-rdmav25.so': > libqedr-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libmlx5-rdmav25.so': > libmlx5-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libmlx4-rdmav25.so': > libmlx4-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libi40iw-rdmav25.so': > libi40iw-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libhns-rdmav25.so': > libhns-rdmav25.so: cannot open shared object file: No such file or directory > libibverbs: Warning: couldn't load driver 'libhfi1verbs-rdmav25.so': > libhfi1verbs-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libcxgb4-rdmav25.so': > libcxgb4-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libbnxt_re-rdmav25.so': > libbnxt_re-rdmav25.so: cannot open shared object file: No such file or > directory > libibverbs: Warning: couldn't load driver 'libvmw_pvrdma-rdmav25.so': > libvmw_pvrdma-rdmav25.so: cannot open shared object file: No such file or > directory > > > >
