Re: drm/fbdev-dma: regression

[Thomas Zimmermann]

Hi


Am 11.11.24 um 14:42 schrieb Nuno Gonçalves:
> On Mon, Nov 11, 2024 at 1:22 PM Thomas Zimmermann <tzimmermann@xxxxxxx> wrote:
> > The patch in question changes the whole memory management of the
> > affected code. It's also noteworthy that most of it has been reworked
> > for the upcoming v6.12. Maybe this already fixed the problem. Kernel
> > v6.11-rc7 added commit 5a498d4d06d6 ("drm/fbdev-dma: Only install
> > deferred I/O if necessary"), which possibly fixes the problem as well.
> >
> > But there's no explicit fix for this problem and I have not seen any
> > other related reports. Any further information is welcome.
> Issue was present since 5ab91447aa13b8b98bc11f5326f33500b0ee2c48 and
> tested until 6.12-rc3.
> Is there any suggestion on how to dig down?

Do you have a stack trace of this problem?

Which hardware platform is affected?

Best regards
Thomas

> Thanks

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Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
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