RHEL7: NFSv4 client hangs with tcpdump showing repeated sequence of OPEN / TEST_STATEID all completing with NFS_OK but SEQUENCE reply contains SEQ4_STATUS_RECALLABLE_STATE_REVOKED bit set

Solution Unverified - Updated -


  • NFS4 client hangs and must be rebooted to recover.
  • Seeing many kernel: NFS: nfs4_reclaim_open_state: Lock reclaim failed! messages as described in https://access.redhat.com/solutions/1117763
  • Taking a tcpdump, it is seen that the NFS4 state manager sends TEST_STATEID and receiving SEQ4_STATUS_RECALLABLE_STATE_REVOKED in a tight loop, > 5000 times per second.
2279761 07:28:28.725640 →  NFS  V4 Call TEST_STATEID
2279762 07:28:28.725674 →   NFS 0x00000040 V4 Reply (Call In 2279761) TEST_STATEID
            status flags: 0x00000040, SEQ4_STATUS_RECALLABLE_STATE_REVOKED
  • In /var/log/messages many 'suppressed' messages like
Aug  1 13:26:22 nfs-client kernel: nfs4_reclaim_open_state: 2265 callbacks suppressed


  • Red Hat Enterprise Linux 7 (NFS client and server)
    • seen on 3.10.0-862.*.el7 and 3.10.0-957.*el7 kernels
  • NFS4.1 or above

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