From: Andrew Lunn <andrew@lunn.ch>
To: Ricky Wu <en-wei.wu@canonical.com>
Cc: jesse.brandeburg@intel.co, anthony.l.nguyen@intel.com,
intel-wired-lan@lists.osuosl.org, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
rickywu0421@gmail.com
Subject: Re: [PATCH] e1000e: fix link fluctuations problem
Date: Tue, 7 May 2024 03:39:21 +0200 [thread overview]
Message-ID: <f47e0bb6-fb3f-4d0e-923a-cdb5469b6cbe@lunn.ch> (raw)
In-Reply-To: <20240502091215.13068-1-en-wei.wu@canonical.com>
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
next prev parent reply other threads:[~2024-05-07 1:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-02 9:12 Ricky Wu
2024-05-03 5:33 ` [Intel-wired-lan] " Paul Menzel
2024-05-03 7:44 ` En-Wei WU
2024-05-07 1:39 ` Andrew Lunn [this message]
2024-05-07 9:24 ` En-Wei WU
2024-05-07 12:10 ` Andrew Lunn
2024-05-08 4:46 ` [Intel-wired-lan] " Sasha Neftin
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