[ixgbe] Intel 82599 network drops connections with "Received unrecoverable ECC Err, please reboot' message

Solution Verified - Updated -

Issue

  • NIC stops working with the following error seen in the /var/log/messages file and/or dmesg output:
Nov 28 20:29:03 localhost kernel: ixgbe 0000:05:00.0: eth12: Received unrecoverable ECC Err, please reboot
  • It may or may not also include the a Tx Unit Hang error:
Nov 28 20:29:08 localhost kernel: ixgbe 0000:05:00.0: eth12: Detected Tx Unit Hang
Nov 28 20:29:08 localhost kernel:  Tx Queue             <16>
Nov 28 20:29:08 localhost kernel:  TDH, TDT             <d7c>, <d94>
Nov 28 20:29:08 localhost kernel:  next_to_use          <d94>
Nov 28 20:29:08 localhost kernel:  next_to_clean        <d7c>
Nov 28 20:29:08 localhost kernel: tx_buffer_info[next_to_clean]
Nov 28 20:29:08 localhost kernel:  time_stamp           <111922672>
Nov 28 20:29:08 localhost kernel:  jiffies              <1119237da>

Environment

  • Red Hat Enterprise Linux 6
  • ixgbe module
  • Intel Niantic (82599) NIC

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