[Bug 201957] amdgpu: ring gfx timeout

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=201957

F. Delente (delentef at gmail.com) changed:

           What    |Removed                     |Added
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                 CC|                            |delentef at gmail.com

--- Comment #26 from F. Delente (delentef at gmail.com) ---
Hello, I have the same problem on a Huawei Matebook D lapop, processor is an
AMD Ryzen 5 with an integrated Radeon Vega Mobile GPU.

I use Fedora 31. The problem appeared when upgrading from then 5.3.16 kernel to
the 5.4.6 kernel. Reverting to 5.3.16 solved the issue.

At some moments the UI (XFCE) freezes for about 5 seconds; I can move the mouse
cursor but I can't get any keyboard input (not in X, not by switching console).
Each time the freeze occurs dmesg shows the messages

[   45.530374] [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] *ERROR* Waiting for
fences timed out!
[   50.139408] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout, but
soft recovered

I include /proc/cpuinfo and lspci outputs.

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