Bug#1059607: linux-image-6.1.0-16-amd64: Steam Deck does not recognize USB keyboard on Bookworm

[Salvatore Bonaccorso <carnil@debian.org>]

Control: tags -1 + moreinfo

Hi,

On Thu, Dec 28, 2023 at 11:56:04PM -0700, Cordell Bloor wrote:
> Package: src:linux
> Version: 6.1.67-1
> Severity: important
> X-Debbugs-Cc: cgmb@slerp.xyz
> 
> Dear Maintainer,
> 
> When Debian 12 is installed on the Steam Deck, the process goes smoothly until
> the system is rebooted. When the system reboots, it switches to the 6.1.0-16
> kernel package. At this point, power delivery through the Steam Deck's USB-C
> connector works, but it will not recognize a keyboard or ethernet adapter.
> 
> This is a pain because without networking or keyboard input, it's difficult
> to debug or understand what is happening. I reinstalled and configured the
> WiFi during setup so that I could get SSH access for debugging (though in
> retrospect, this was not necessary). An easier workaround is to select
> an older kernel in GRUB.
> 
> Everything works fine if I boot from 6.1.0-10, so this is a regression in
> bookworm-updates.

I realize this is asking much, but do you think you would be able to
bisect the upstream versions accordingly to see if you find the
introducing commit for the issue?

Regards,
Salvatore