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

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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

#84461 — Bug#1086793: linux-image-6.10.11-amd64: Wifi not working with kernel 6.11 (working with 6.10)

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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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#84473

Hello Uwe,

after upgrading firmware-iwlwifi the problem is in fact solved.

I'm not sure why but `non-free-firmware` was activated for bookworm apt 
repository and not testing one. I should have looked at this before 
opening this bug.

Thanks for your help, this bug can safely be closed.

On 07/11/2024 09:14, Uwe Kleine-König wrote:
> 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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