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

Timo Aaltonen tjaalton at
Thu Jul 11 07:35:09 UTC 2019

On 11.7.2019 10.16, Kai-Heng Feng wrote:
> BugLink:
> [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.

Hi, any idea why these were never applied upstream?


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