Bug#1106268: linux-image-6.12.29-amd64: amdgpu DMCUB errors and lockups new in v6.12.29

[Alper Nebi Yasak <alpernebiyasak@gmail.com>]

Control: found -1 6.15~rc7-1~exp1

On 2025-05-22 14:56 +03:00, Ozgur Karatas wrote:
> Alper Nebi Yasak <alpernebiyasak@gmail.com>, 22 May 2025 Per, 13:39
> tarihinde şunu yazdı:
>>
>> On 2025-05-22 13:06 +03:00, Ozgur Karatas wrote:
>>> Alper Nebi Yasak <alpernebiyasak@gmail.com>, 22 May 2025 Per, 12:57
>>> tarihinde şunu yazdı:
>>>>
>>>> Package: src:linux
>>>> Version: 6.12.29-1
>>>> Severity: important
>>>> Tags: upstream
>>>> Forwarded: https://gitlab.freedesktop.org/drm/amd/-/issues/4238
>>>
>>> [...]
> 
> thanks for info so can you share the following?
> 
> $ journalctl -b -1
> $ glxinfo | grep OpenGL
> $ lsmod | grep amdgpu
> 
> I'm not sure maybe if this is a kernel or AMD GPU issue and i think we
> can report it to the kernel via bugzilla.

Kernel maintainers are already aware of it, no need to make more noise.
Issues for amdgpu are tracked at the GitLab instance I had linked above,
and there's already a revert patch in the mailing list (although I
hadn't noticed that):

https://lore.kernel.org/amd-gfx/20250521201057.76093-1-aurabindo.pillai@amd.com/

>>>> My PC consistently freezes with Linux v6.12.29 in a few minutes after
>>>> boot, but it works fine on v6.12.27 and v6.14.6. I've seen new errors
>>>> from the amdgpu module in the kernel dmesg.
>>>>
>>>> [...]
>>>>
>>>> Apparently the commit is in v6.15-rc6/7 as well, in case you're thinking
>>>> of an experimental upload any time soon.

As expected, the new linux-image-6.15-rc7-amd64-unsigned in experimental
still freezes my PC.