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Bug#1110687:



Hi,

I can see commits that seem related between v6.12.39 and v6.12.40 on https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/log/?h=linux-6.12.y&ofs=200
2025-07-24drm/amd/display: Disable CRTC degamma LUT for DCN401Melissa Wen1-1/+10
2025-07-24drm/amdgpu: Increase reset counter only on successLijo Lazar1-2/+7
2025-07-24drm/amdgpu/gfx8: reset compute ring wptr on the GPU on resumeEeli Haapalainen1-0/+1

But i am not 100% sure the issue has been fixed in those commits. Some guy wrote the issue happens starting from kernel 6.12. When i used Debian 12, I also used kernel 6.12.* from bookworm-backports repo, and I didn't experience any freezes. The issue appeared after I upgraded my system to Debian 13. Debian 13 uses a newer firmware-amd-graphics and I presume  it has some issues in kernels >= 6.12. Some guys reported the issue has been fixed in the newest kernel 6.16 RC. I hope developers have backported the fix to 6.12 LTS.

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