ACK / APPLIED[D/Unstable]: [SRU] [B/C/D/Unstable] [PATCH 0/1] Fix I219 doesn't get woken up after plugging ethernet cable

Seth Forshee seth.forshee at canonical.com
Fri Feb 22 10:19:09 UTC 2019


On Thu, Feb 21, 2019 at 08:49:37PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1817058
> 
> [Impact]
> Plugging ethernet cable doesn't work on new I219 after it runtime
> suspends to D3.
> 
> [Fix]
> Intel confirms that it only supports D0, so disable runtime power
> management to prevent it from entering D3.
> 
> [Test]
> Once the patch applied, the device always stays at D0, which doesn't
> have this problem.
> 
> [Regression Potential]
> Low. This doesn't introduce any functional change.

I don't agree that there's no functional change, but it is limited in
scope and has positive testing for the affected hardware.

Acked-by: Seth Forshee <seth.forshee at canonical.com>

Applied to disco and unstable, thanks!



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