When running global Infiniband commands, such as "ibnetdiscover" or "ibswitches", it fails with "mad_rpc" warning messages. (Doc ID 1505294.1)

Last updated on OCTOBER 15, 2020

Applies to:

Symptoms

 Symptoms incude very slow response to global infiniband commands(ibnetdiscover/ibswitches), as well as returning the following errors:

ibwarn: [31013] mad_rpc: _do_madrpc failed; dport (DR path slid 0; dlid 0; 0,26,13)
ibwarn: [31013] discover: can't reach node DR path slid 0; dlid 0; 0,26,13 port 16
ibwarn: [31013] _do_madrpc: recv failed: Connection timed out
ibwarn: [31013] mad_rpc: _do_madrpc failed; dport (DR path slid 0; dlid 0; 0,26,13,18)
ibwarn: [31013] handle_port: NodeInfo on DR path slid 0; dlid 0; 0,26,13,18 failed, skipping port
ibwarn: [31013] _do_madrpc: recv failed: Invalid argument
ibwarn: [31013] mad_rpc: _do_madrpc failed; dport (DR path slid 0; dlid 0; 0,26,13)
ibwarn: [31013] discover: can't reach node DR path slid 0; dlid 0; 0,26,13 port 19
ibwarn: [31013] mad_rpc: _do_madrpc failed; dport (DR path slid 0; dlid 0; 0,26,13,33)
ibwarn: [31013] handle_port: NodeInfo on DR path slid 0; dlid 0; 0,26,13,33 failed, skipping port
ibwarn: [31013] mad_rpc: _do_madrpc failed; dport (DR path slid 0; dlid 0; 0,26,13,34)
ibwarn: [31013] handle_port: NodeInfo on DR path slid 0; dlid 0; 0,26,13,34 failed, skipping port

Cause

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