** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Disco)
   Importance: Undecided
       Status: Incomplete

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Disco)
       Status: Incomplete => Fix Committed

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https://bugs.launchpad.net/bugs/1806818

Title:
  Fix Intel I210 doesn't work when ethernet cable gets plugged

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Xenial:
  New
Status in linux source package in Bionic:
  New
Status in linux source package in Cosmic:
  New
Status in linux source package in Disco:
  Fix Committed

Bug description:
  [Impact]
  Plugging ethernet cable cannot wake up Intel I210 when it's runtime
  suspended. It's because the PME is not enabled.

  [Fix]
  PCI core doesn't enable PME because the driver explicitly saves its PCI
  state before runtime suspend routine. Don't save PCI state fixes the
  issue. 

  [Test]
  PME is correctly enabled, and cable plugging starts to work.

  [Regression Potential]
  Minimal. The fix limits to on device, and it's specific to runtime power
  management. Other functionalities are not affected.

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