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Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on amd GPU

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Am Sa den 16. Sep 2023 um 10:58 schrieb Bastian Blank:
> On Fri, Sep 15, 2023 at 10:18:55PM +0100, Klaus Ethgen wrote:
> > Booting with the new kernel makes the display (1920x1200) heavily
> > flckering, diplaying two times the same one above the other and only
> > displaying about 1/4 of the screen smashed together on the left border
> > of the screen.
> 
> Does it work with native resolution?  Does it work with Wayland?

Well, I do not know about wayland as that never worked for me.

And with native resolution, I don't think so but it is dificult to test
as the display is so limited to select an other resolution. But I will
try if I can handle that.

> > Note that the broken setup has 3 lines of 3840x2400, althogh I use
> > 1920x1200 as resolution.
> 
> With different refresh frequencies, so nothing uncommon.

True. Although that are the differences to the older and working kernel.

> > 3840x2400 is no usable resolution as the display content is much to
> > small to be usable.
> 
> That's why we now have scaling and don't need to play with resolutions.

Well, we had that discussion the last time to when it came out that it
was a regression in kernel.

It pretty much looks like this time again.

And more over, the valid resolutions need to work.

Regards
   Klaus
-- 
Klaus Ethgen                                       http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16            Klaus Ethgen <Klaus@Ethgen.ch>
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C

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Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on amd GPU Klaus Ethgen <Klaus@ethgen.ch> - 2023-09-16 00:00 +0200
  Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on amd GPU Bastian Blank <waldi@debian.org> - 2023-09-16 12:10 +0200
    Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on amd GPU Klaus Ethgen <Klaus@ethgen.ch> - 2023-09-16 19:00 +0200
    Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on amd GPU Klaus Ethgen <Klaus@ethgen.ch> - 2023-09-16 20:00 +0200
    Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on amd GPU Klaus Ethgen <Klaus@ethgen.ch> - 2023-09-29 09:20 +0200
  Processed: Re: Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on  amd GPU "Debian Bug Tracking System" <owner@bugs.debian.org> - 2023-09-16 12:10 +0200
  Bug#1052006: Info received (Bug#1052006: linux-image-6.5.0-1-amd64 breaks X on amd GPU) Klaus Ethgen <Klaus@ethgen.ch> - 2023-10-12 07:50 +0200

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