Re: [PATCH] e1000e: fix link fluctuations problem

From: Andrew Lunn
Date: Mon May 06 2024 - 21:39:52 EST


On Thu, May 02, 2024 at 05:12:15PM +0800, Ricky Wu wrote:
> As described in https://bugzilla.kernel.org/show_bug.cgi?id=218642,
> some e1000e NIC reports link up -> link down -> link up when hog-plugging
> the Ethernet cable.
>
> The problem is because the unstable behavior of Link Status bit in
> PHY Status Register of some e1000e NIC.

Why PHY is this? It might be the PHY manufacture has an errata, since
this is probably not the MAC causing the problem, but the PHY itself.

Andrew