On Fri, Mar 14, 2025 at 8:55 AM Dieter Faulbaum
<die...@faulbaum.in-berlin.de> wrote:
>
>
> Hello Philip,
>
> Philip Yang <ya...@amd.com> writes:
>
> > On 2025-02-12 17:42, Uwe Kleine-König wrote:
> >
> >  #regzbot introduced: 68e599db7a549f010a329515f3508d8a8c3467a4
> > #regzbot monitor: https://bugs.debian.org/1093124
> >
> > Hello,
> >
> > On Thu, Jul 18, 2024 at 05:05:53PM -0400, Philip Yang wrote:
> >
> >  Find user queue rptr, ring buf, eop buffer and cwsr area BOs,
> >  and
> > check BOs are mapped on the GPU with correct size and take the
> > BO
> > reference.
> >
> > Signed-off-by: Philip Yang <philip.y...@amd.com>
> > Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
> >
> >
> > This change made it into v6.12-rc1 as 68e599db7a54 ("drm/amdkfd:
> > Validate user queue buffers"). A Debian user (Dieter Faulbaum,
> > on Cc)
> > reported that this change introduced a regression using a gfx803
> > device
> > resulting in a HSA exception when e.g. darktable is used. I
> > didn't even
> > try to understand the problem, but maybe one of you have an idea
> > about
> > the issue?!
> >
> > Try this patch
> >
> > https://lore.kernel.org/all/20250130000412.29812-1-philip.y...@amd.com/T/
>
> It seems for me, that your patch isn't applied in the mainline
> kernel.
> What do you think, will it once happen?-)
> Is it falling through cracks?

It's in drm-next:
https://gitlab.freedesktop.org/drm/kernel/-/commit/e7a477735f1771b9a9346a5fbd09d7ff0641723a

I'll cherry-pick it for stable next week.

Alex

>
>
>
> With regards
> Dieter

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