ACK/APPLIED[E]: [SRU] [B/D/Unstable/OEM-B/OEM-OSP1-B] [PATCH 0/2] Fix RX CRC errors on I219 v6

Seth Forshee seth.forshee at canonical.com
Wed Jul 17 16:22:53 UTC 2019


On Thu, Jul 11, 2019 at 03:16:44PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1836152
> 
> [Impact]
> RX speed on Intel ethernet I219 v6 is extremely slow due to multiple RX
> CRC errors.
> 
> [Fix]
> Disable e1000e K1 feature to make I219 and PCH operate at higher speed
> to avoid the issue.
> 
> [Test]
> Before applying the patch, the RX is slower than 150Kbps. After applying
> the fix the RX speed can achive gigabits.
> 
> [Regression Potential]
> Low. This only applies to recent I219 generations.
> I've also test several other systems with e1000e and I don't see any
> regression.

Positive testing, making it's way upstream.

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

Applied to eoan/master-next, thanks!



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