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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

jmlero
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  • Could you post the SM configuration? – haggai_e Jul 30 '15 at 08:49
  • Could you also post any relevant info about the OFED/IB software stack being used? Did you build and compile OFED locally or use parts that were included with the OS? Is there a managed/"intelligent" IB switch anywhere in the mix? – Matt Jul 31 '15 at 02:30

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