System hung with enic and fnic errors present

Solution Verified - Updated -

Issue

  • The system hung and the below messages were seen in /var/log/messages

    Feb 12 19:36:18 hostname multipathd: mpathl: sdab - tur checker timed out
    Feb 12 19:36:18 hostname multipathd: checker failed path 65:176 in map mpathl
    Feb 12 19:36:18 hostname multipathd: mpathl: remaining active paths: 3
    Feb 12 19:36:18 hostname kernel: device-mapper: multipath: Failing path 65:176.
    Feb 12 19:36:19 hostname multipathd: mpathj: sdd - tur checker timed out
    ....
    Feb 12 19:36:04 hostname kernel: enic: 0000:06:00.0:Timed out devcmd 4
    Feb 12 19:36:04 hostname kernel: enic: 0000:07:00.0:Timed out devcmd 4
    Feb 12 19:36:04 hostname kernel: enic: 0000:06:00.0:Timed out devcmd 4
    Feb 12 19:36:04 hostname kernel: enic: 0000:07:00.0:Timed out devcmd 4
    

Environment

  • Red Hat Enterprise Linux 6.9
  • Installed Cisco driver: kmod-enic-2.3.0.27-rhel6u8.el6.x86_64
  • Installed Cisco driver: kmod-fnic-1.6.0.27-rhel6u8.el6.x86_64

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