[Intel-wired-lan] 5.10.0 kernel regression for 2.5Gbps link negotiation?
Paul Menzel
pmenzel at molgen.mpg.de
Fri Dec 18 19:43:25 UTC 2020
Dear Todd,
Am 18.12.20 um 20:27 schrieb Fujinaka, Todd:
> Yes, and I'm plugging the hole in the README right now. Here's the proposed text:
>
> Advertisements for 2.5G and 5G on the x550 were turned off by default due to
> interoperability issues with certain switches. To turn them back on, use
>
> ethtool -s <ethX> advertise N
>
> where N is a combination of the following.
>
> 100baseTFull 0x008
> 1000baseTFull 0x020
> 2500baseTFull 0x800000000000
> 5000baseTFull 0x1000000000000
> 10000baseTFull 0x1000
>
> For example, to turn on all modes:
> ethtool -s <ethX> advertise 0x1800000001028
>
> For more details please see the ethtool man page.
What commit introduced this regression. Please bear in mind, that this
contradicts Linux’ no-regression policy, and the commit should therefore
be reverted as soon as possible.
Kind regards,
Paul
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