RHEL6 / RHEL7: NFS4 client receiving NFS4ERR_BAD_SEQID drops nfs4 stateowner resulting in infinite loop of READ/WRITE + NFS4ERR_BAD_STATEID

Solution Verified - Updated -


NFS4 client hangs and must be rebooted after seeing one or more bad sequence-id error messages


  • Red Hat Enterprise Linux 6 (NFS4 client)
    • kernels prior to kernel-2.6.32-696.16.1.el6
  • Red Hat Enterprise Linux 7 (NFS4 client)
    • all kernels before 3.10.0-693.el7 (RHEL7.4) affected
  • Seen with NetApp NFS server (other servers likely affected)

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