5.12.2 Disabling an InfiniBand CA port generates warnings

You might see the following warning messages if you use the ibportstate disable command to disable an InfiniBand CA or router port:

ibwarn: [2696] _do_madrpc: recv failed: Connection timed out
ibwarn: [2696] mad_rpc: _do_madrpc failed; dport (Lid 38)
ibportstate: iberror: failed: smp set portinfo failed

You can safely ignore these warnings. (Bug ID 16248314)