Bug#996008: Bug #996008: i225 NIC no longer recognized after 11.1 point release

From	Diederik de Haas <didi.debian@cknow.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#996008: Bug #996008: i225 NIC no longer recognized after 11.1 point release
Date	2022-06-07 17:10 +0200
Message-ID	<EvJ0d-3dZZ-3@gated-at.bofh.it> (permalink)
References	<EvJ0d-3dZZ-5@gated-at.bofh.it>
Organization	Connecting Knowledge

Cross-posted to 2 groups.

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Control: reassign -1 src:linux 5.10.70-1
Control: tag -1 moreinfo

On Sun, 10 Oct 2021 00:25:44 +0000 (UTC) TarotApprentice <tarotapprentice@yahoo.com> wrote:
> Package: linux-image-amd64
> Version: 5.10.0-9 (5.10.70-1)
> 
> Two machines (ASUS X570-P/CSM) with built-in NIC (realtek) and 
> add-in 2.5GbE NIC (intel i225). After installing point release 11.1 the 
> add-in NIC is no longer recognized on either machine. The built-in NIC still
> works. Clearly it was working before the point release as it used the 
> 2.5G NIC to do the apt upgrade.
> 
> Both machines were running kernel 5.10.0-8 and Bullseye prior to the upgrade.
> Rebooting the machine using the 5.10.0-8 kernel (selecting it from grub) 
> doesn't help - NIC enumeration fails.
> 
> # grep igc /var/log/messages
> Oct 10 08:50:00 *** kernel: [    4.829780] igc 0000:04:00.0 enp4s0: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
> Oct 10 09:03:26 *** kernel: [    3.819348] igc: probe of 0000:04:00.0 failed with error -13
> Oct 10 10:59:51 *** kernel: [    3.826878] igc: probe of 0000:04:00.0 failed with error -13

I'm inclined to think/agree that this is a kernel issue, but what is then
confusing is that it still doesn't work with the same kernel version with which
it previously did work. Which suggests that another update caused the failure.

The latest point release is now 11.3, so verifying whether the problem is still
present there, with a newer 5.10 kernel, seems like a good first step.

If that's the case, a more complete output of dmesg or /var/log/messages would
be useful.
Also testing with a kernel from Testing/Unstable and/or Bullseye backports
would also give useful extra information.

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Bug#996008: Bug #996008: i225 NIC no longer recognized after 11.1 point release Diederik de Haas <didi.debian@cknow.org> - 2022-06-07 17:10 +0200
  Bug#996008: Bug #996008: i225 NIC no longer recognized after 11.1 point release Salvatore Bonaccorso <carnil@debian.org> - 2022-11-11 16:50 +0100

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