PROBLEM: AMD Ryzen 9 7950X iGPU - Blinking Issue

[Alex Deucher]

On Tue, May 2, 2023 at 9:34 AM Linux regression tracking (Thorsten
Leemhuis) <regressions at leemhuis.info> wrote:
>
> On 02.05.23 15:13, Alex Deucher wrote:
> > On Tue, May 2, 2023 at 7:45 AM Linux regression tracking (Thorsten
> > Leemhuis) <regressions at leemhuis.info> wrote:
> >
> >> On 30.04.23 13:44, Felix Richter wrote:
> >>> Hi,
> >>>
> >>> I am running into an issue with the integrated GPU of the Ryzen 9 7950X. It seems to be a regression from kernel version 6.1 to 6.2.
> >>> The bug materializes in from of my monitor blinking, meaning it turns full white shortly. This happens very often so that the system becomes unpleasant to use.
> >>>
> >>> I am running the Archlinux Kernel:
> >>> The Issue happens on the bleeding edge kernel: 6.2.13
> >>> Switching back to the LTS kernel resolves the issue: 6.1.26
> >>>
> >>> I have two monitors attached to the system. One 42 inch 4k Display and a 24 inch 1080p Display and am running sway as my desktop.
> >>>
> >>> Let me know if there is more information I could provide to help narrow down the issue.
> >>
> >> Thanks for the report. To be sure the issue doesn't fall through the
> >> cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression
> >> tracking bot:
> >>
> >> #regzbot ^introduced v6.1..v6.2
> >> #regzbot title drm: amdgpu: system becomes unpleasant to use after
> >> monitor starts blinking and turns full white
> >> #regzbot ignore-activity
> >>
> >> This isn't a regression? This issue or a fix for it are already
> >> discussed somewhere else? It was fixed already? You want to clarify when
> >> the regression started to happen? Or point out I got the title or
> >> something else totally wrong? Then just reply and tell me -- ideally
> >> while also telling regzbot about it, as explained by the page listed in
> >> the footer of this mail.
> >>
> >> Developers: When fixing the issue, remember to add 'Link:' tags pointing
> >> to the report (the parent of this mail). See page linked in footer for
> >> details.
> >
> > This sounds exactly like the issue that was fixed in this patch which
> > is already on it's way to Linus:
> > https://gitlab.freedesktop.org/agd5f/linux/-/commit/08da182175db4c7f80850354849d95f2670e8cd9
>
> FWIW, you in the flood of emails likely missed that this is the same
> thread where you yesterday replied "If the module parameter didn't help
> then perhaps you are seeing some other issue.  Can you bisect?". That's
> why I decided to add this to the tracking. Or am I missing something
> obvious here?

Sorry, from the wording of the message, it looked like you had missed
the earlier part of the thread.

Alex

>
> /me looks around again and can't see anything, but that doesn't have to
> mean anything...
>
> Felix, btw, this guide might help you with the bisection, even if it's
> just for kernel compilation:
>
> https://docs.kernel.org/next/admin-guide/quickly-build-trimmed-linux.html
>
> And to indirectly reply to your mail from yesterday[1]. You might want
> to ignore the arch linux kernel git repo and just do a bisection between
> 6.1 and the latest 6.2.y kernel using upstream repos; and if I were you
> I'd also try 6.3 or even mainline before that, in case the issue was
> fixed already.
>
> [1]
> https://lore.kernel.org/all/04749ee4-0728-92fe-bcb0-a7320279eaac@felixrichter.tech/
>
> Ciao, Thorsten