RHEL6: shutdown hangs due to either K75netfs or S01reboot calling fuser on NFS path

Solution Verified - Updated -

Issue

  • K75netfs or S01reboot calling fuser on nfs mount causes the system to hang on shutdown
  • shutdown hangs with fuser hung on a stat system call, ultimately hung on an NFS GETATTR

Environment

  • Red Hat Enterprise Linux (RHEL) 6
  • psmisc earlier than psmisc-22.6-16.el6* or later than psmisc-22.6-18
  • NFS

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