-------------------------------------------------------------------------- By default, for Open MPI 4.0 and later, infiniband ports on a device are not used by default. The intent is to use UCX for these devices. You can override this policy by setting the btl_openib_allow_ib MCA parameter to true. Local host: acn219 Local adapter: mlx5_0 Local port: 1 -------------------------------------------------------------------------- -------------------------------------------------------------------------- WARNING: There was an error initializing an OpenFabrics device. Local host: acn219 Local device: mlx5_0 -------------------------------------------------------------------------- [acn219:349489] [[4632,0],0] ORTE_ERROR_LOG: Out of resource in file util/show_help.c at line 501 [acn219:349489] [[4632,0],0] ORTE_ERROR_LOG: Data unpack had inadequate space in file util/show_help.c at line 513 {"realtime":7.96,"usertime":4.66,"systime":1.03,"memmax":363536,"memavg":0}