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

[Timo Aaltonen]

On 11.7.2019 10.47, Kai-Heng Feng wrote:
> at 15:35, Timo Aaltonen <tjaalton at ubuntu.com> wrote:
> 
>> On 11.7.2019 10.16, 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.
>>
>> Hi, any idea why these were never applied upstream?
> 
> Well, because it just landed to Intel ethernet tree, it will be applied
> to mainline eventually.

So it just took over 2,5y to land upstream? That's impressive :)


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t