Bug#1122106: linux-image-amd64: UBSAN create a systematic trace in DRM driver

From	Eric <eric.4.debian@grabatoulnz.fr>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1122106: linux-image-amd64: UBSAN create a systematic trace in DRM driver
Date	2025-12-12 05:10 +0100
Message-ID	<M12DD-2ecZ-1@gated-at.bofh.it> (permalink)
References	(1 earlier) <M0ymd-1T8e-7@gated-at.bofh.it> <M12DD-2ecZ-3@gated-at.bofh.it> <M12DD-2ecZ-5@gated-at.bofh.it> <LZkOl-11cp-1@gated-at.bofh.it> <M12DD-2ecZ-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi

Le 11/12/2025 à 12:02, Salvatore Bonaccorso a écrit :
> Hi,
>
> On Thu, Dec 11, 2025 at 10:24:42AM +0100, Eric Valette wrote:
>> On 12/10/25 20:45, Salvatore Bonaccorso wrote:
>>> Control: tags -1 + moreinfo
>>>
>>> Hi,
>> Hi. Thanks for taking time looking at this (cosmetic if really false
>> positive) bug.
>>
>>> There is an upstream report which seems to match:
>>> https://gitlab.freedesktop.org/drm/amd/-/issues/4374
>> Yes this look the same. The good point is that it seems to be a false
>> positive and browsing internet it appeared already on much older kernels...
>>
>>> Alex Deucher proposed there two changes, can you test those please and
>>> report back if they work? If so can you please directly confirm in the
>>> upstream issue which fixes it and report back here as well?
>>
>> Well. Compiling a debian kernel on this machine will requires several hours.
>> Will eventually do. I will report if I do.
> FWIW, if you come to it, the following should help to just make a
> build with a patch on top:
>
> https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#id-1.6.6.4
Thanks for this. I'll give it a try and report here.
>
> Regards,
> Salvatore


Regards


Eric Degenetais

Thread

Bug#1122106: linux-image-amd64: UBSAN create a systematic trace in DRM driver Eric Valette <eric.valette@free.fr> - 2025-12-07 12:10 +0100
  Bug#1122106: linux-image-amd64: UBSAN create a systematic trace in DRM driver Salvatore Bonaccorso <carnil@debian.org> - 2025-12-10 20:50 +0100
  Processed: Re: Bug#1122106: linux-image-amd64: UBSAN create a  systematic trace in DRM driver "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-12-10 20:50 +0100
  Bug#1122106: linux-image-amd64: UBSAN create a systematic trace in DRM driver Eric <eric.4.debian@grabatoulnz.fr> - 2025-12-12 05:10 +0100
    Bug#1122106: linux-image-amd64: UBSAN create a systematic trace in DRM driver Eric <eric.4.debian@grabatoulnz.fr> - 2025-12-14 17:10 +0100
  Bug#1122106: marked as done (linux-image-amd64: UBSAN create a  systematic trace in DRM driver) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-01-15 18:10 +0100

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