Bug#1086793: linux-image-6.10.11-amd64: Wifi not working with kernel 6.11 (working with 6.10)

From	Uwe Kleine-König <ukleinek@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1086793: linux-image-6.10.11-amd64: Wifi not working with kernel 6.11 (working with 6.10)
Date	2024-11-07 09:20 +0100
Message-ID	<JG5Ud-7cDB-1@gated-at.bofh.it> (permalink)
References	<JFzrj-6Si8-5@gated-at.bofh.it> <JFzrj-6Si8-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello Eric,

On Tue, Nov 05, 2024 at 10:30:06PM +0100, Eric Veiras wrote:
> Package: src:linux
> Version: 6.10.11-1
> Severity: important
> 
> Dear Maintainer,
> 
> I'm running Debian testing and after upgrading to kernel 6.11 (first 6.11.2,
> then 6.11.4), Wifi stop working, it doesn't show anymore in network-manager.
> (Strangely, a new mobile/LTE interface has appeared)

There are several changes between 6.10 and 6.11 that drop support for
older firmware. I found at least:

	https://git.kernel.org/linus/bec2cdf548f92641f68677fcc43dc19aa4d0eceb
	https://git.kernel.org/linus/2cbeb1a38758bfd165a7f284933e24b4552da65d
	https://git.kernel.org/linus/e213eb95a49724a8168e6ef48a62fa06a785fa41

I think the right firmware for your hardware is
iwlwifi-QuZ-a0-hr-b0-XX.ucode. With the above bumps, XX must be 77.

I would expect something like:

	iwlwifi 0000:00:xx.x: firmware: failed to load iwlwifi-QuZ-a0-hr-b0-77.ucode (-2)

in your kernel log.

> ii firmware-iwlwifi 20230210-5

This version of firmware-iwlwifi however only ships the files for XX =
50, 59 and 72.

So please try updating your firmware-iwlwifi package to at least
20230625-3~exp1.

If that doesn't fix your problem, please provide a full kernel boot log
of the broken configuration. (And if that fixes it for you, please also
report back that this bug can be closed.)

Best regards
Uwe

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Bug#1086793: linux-image-6.10.11-amd64: Wifi not working with kernel 6.11 (working with 6.10) Uwe Kleine-König <ukleinek@debian.org> - 2024-11-07 09:20 +0100
  Bug#1086793: linux-image-6.10.11-amd64: Wifi not working with kernel 6.11 (working with 6.10) Eric Veiras <bugs@sietch-tabr.com> - 2024-11-09 13:10 +0100

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