How to generate core dump for crashing rpcbind process ?

Solution Unverified - Updated -

Issue

  • On NFS clients: NFS mountpoints are all unmounted. Attempts to mount are unsuccessful and telnet to NFS server port 111 is getting refused.
  • On NFS Servers: NFS service restart Failed and hangs. The server recovered after a reboot.
  • From logs, one can see rpcbind crashing, yet no coredump generated.

Environment

  • Red Hat Enterprise Linux 6
  • NFS

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