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Bug#1108598: amdgpu: incorrectly redrawn screen after resuming from hibernation with Ryzen 5 2400G

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Hello,

On Tue, Jul 01, 2025 at 10:21:22AM +0300, Ivan Krylov wrote:
> Package: src:linux
> Version: 6.1.140-1
> Severity: important
> Tags: upstream
> X-Debbugs-Cc: ikrylov@disroot.org
> 
> Dear Maintainer,
> 
> After upgrading from linux-image-6.1.0-34-amd64 to 
> linux-image-6.1.0-37-amd64, the system no longer correctly resumes from 
> hibernation. When the resume process completes, the screen freezes in 
> the VGA text mode (the cursor stops blinking). At this point, 
> Ctrl+Alt+F1 can be used to switch to the text console (and cause the 
> video mode to switch to the native resolution), and after that, Alt+F7 
> can bring me back to X, but in both cases, only the upper-left corner 
> of the screen is drawn. The rest of the screen is filled with the 
> contents of the edges of that area.
> 
> The amdgpu WARN_ON_ONCE is new; the libata WARNING has been there for a 
> long time without any apparent consequences.
> 
> [...]
> [   71.485255] amdgpu 0000:06:00.0: drm_WARN_ON_ONCE(!dev->mode_config.poll_enabled)

I would expect the libata warning to be unrelated. And while we had a
bunch of bug reports about amdgpu in the nearer past, this warning is
new to me.

Can you reliably trigger that problem?

Can you please test a 6.12 kernel (from testing or backports) and/or
6.15 (from experimental)? Depending on if these work better or not, we
need to report upstram or check which patches to backport to 6.1.x (or
convince you to switch to the newer kernel :-)

Best regards
Uwe

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Bug#1108598: amdgpu: incorrectly redrawn screen after resuming from hibernation with Ryzen 5 2400G Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2025-07-02 18:20 +0200
  Bug#1108598: amdgpu: incorrectly redrawn screen after resuming from hibernation with Ryzen 5 2400G Ivan Krylov <ikrylov@disroot.org> - 2025-07-04 00:00 +0200

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