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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Packages, which is subscribed to linux-oem in Ubuntu.
https://bugs.launchpad.net/bugs/1836177

Title:
  Intel ethernet I219 may wrongly detect connection speed as 10Mbps

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Fix Committed
Status in linux-oem package in Ubuntu:
  New
Status in linux-oem-osp1 package in Ubuntu:
  New
Status in linux source package in Bionic:
  Fix Committed
Status in linux-oem source package in Bionic:
  New
Status in linux-oem-osp1 source package in Bionic:
  Fix Committed
Status in linux source package in Disco:
  Fix Committed
Status in linux-oem source package in Disco:
  Invalid
Status in linux-oem-osp1 source package in Disco:
  Invalid

Bug description:
  [Impact]
  Intel I219 ethernet may wrongly detect 1Gbps network as 10Mbps after
  ethernet cable hotplugging.

  [Fix]
  Use delayed work before deciding the network speed.
  This essentially workarounds unreliable reading on MII_BMSR register.

  [Test]
  Before the patch the network operates at 10Mbps after cable gets
  plugged.
  With the fix, network always operates in 1Gbps.

  [Regression Potential]
  Low. It changes the watchdog task from timer to delayed work, the logic
  is essentially the same.

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