> Why PHY is this? It's the Intel I219-LM, and I haven't found any other device having the same issue.
> It might be the PHY manufacture has an errata, since > this is probably not the MAC causing the problem, but the PHY itself. Yes. The problem seems to be a PHY problem. I'm wondering if doing a workaround on MAC like this patch is suitable. For further information, please check here: https://patchwork.ozlabs.org/project/intel-wired-lan/patch/20240503101836.32755-1-en-wei...@canonical.com/ On Tue, 7 May 2024 at 03:39, Andrew Lunn <and...@lunn.ch> wrote: > > 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
