RHEL7: "clearing RX Timestamp hang" message flood

Solution In Progress - Updated -

Issue

  • Repeated logged entries of the following in kernel log:
[447887.581931] ixgbe 0000:19:00.0 : clearing RX Timestamp hang
[447893.580387] ixgbe 0000:19:00.0 : clearing RX Timestamp hang
[447899.577352] ixgbe 0000:19:00.0 : clearing RX Timestamp hang
[447905.575245] ixgbe 0000:19:00.0 : clearing RX Timestamp hang
[447911.572681] ixgbe 0000:19:00.0 : clearing RX Timestamp hang
[447919.569781] ixgbe 0000:19:00.0 : clearing RX Timestamp hang
[447925.567283] ixgbe 0000:19:00.0 : clearing RX Timestamp hang

Environment

  • Red Hat Enterprise Linux 7
    • kernels prior to RHEL7.6
  • PTP timestamps
    • chrony

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