In order to let to the nodes communicate over configured partition child interface should be created for IPoIB interface, or application should specify the P_Key.
Did you try to use ib_send_lat (or other) tools with --pkey_index argument?
In order to let to the nodes communicate over configured partition child interface should be created for IPoIB interface, or application should specify the P_Key.
Did you try to use ib_send_lat (or other) tools with --pkey_index argument?