This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-bionic

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https://bugs.launchpad.net/bugs/1805248

Title:
  Regression: hinic performance degrades over time

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Cosmic:
  Fix Released
Status in linux source package in Disco:
  Fix Released

Bug description:
  [Impact]
  Bug 1800664 introduced checksum offload and TSO support for HiNIC adapters. 
While that did improve performance in short iperf runs, longer runs were later 
found to show a significant regression in performance:
    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800664/comments/3

  [Test Case]
  iperf -c 192.168.99.1 -P5

  [Fix]
  Revert the offending patch.

  [Regression Risk]
  This is reverting a patch, returning the driver to 18.10 GA behavior.

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