I have a cluster with Linux Centos 6.5 as OS. All the machines are connected by infiniband, the network is working fine but in the /var/log/messages of all the machines I can see the following message
ib0: multicast join failed for ff12:401b:ffff:0000:0000:0000:0000:0001, status -22
However, if I execute a check, I obtain the following:
#ibcheckstate
Summary: 56 nodes checked, 0 bad nodes found
176 ports checked, 0 ports with bad state found
Thanks and regards