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-
cosmic' to 'verification-done-cosmic'. If the problem still exists,
change the tag 'verification-needed-cosmic' to 'verification-failed-
cosmic'.

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-cosmic

** Tags added: verification-needed-bionic

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https://bugs.launchpad.net/bugs/1821064

Title:
  hns3: fix oops in hns3_clean_rx_ring()

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Bionic:
  Fix Committed
Status in linux source package in Cosmic:
  Fix Committed

Bug description:
  [Impact]
  kernel oops

  [Test Case]
  Run netperf between two hosts. Doesn't 100% cause a crash, but works as a 
regression test.

  [Fix]
  d394d33bee224 net: hns3: add dma_rmb() for rx description

  [Regression Risk]
  Restricted to a driver specific to the hi1620 SoC. Since this adds a new read 
barrier, there is a potential performance regression risk.

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