Hello,

On Wed, Jul 02, 2025 at 06:14:27PM +0200, Uwe Kleine-König wrote:
> 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: ikry...@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 :-)

This might be a duplicate of https://bugs.debian.org/1107579. Doing the
debugging described on
https://docs.kernel.org/power/basic-pm-debugging.html might help here,
too.

Best regards
Uwe

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