Hi!
> > > > Thanks for the patches. I assume this should fix problem from
> > > > "5.9-rc1: graphics regression moved from -next to mainline" thread.
> > > >
> > > > I have applied them over current -next, and my machine seems to be
> > > > working so far (but uptime is less than 30 minutes).
> > > >
> > > > If the machine still works tommorow, I'll assume problem is solved.
> > >
> > > Aye, best wait until we have to start competing with Chromium for
> > > memory... The suspicion is that it was the resource allocation failure
> > > path.
> >
> > Yep, my machines are low on memory.
> >
> > But ... test did not work that well. I have dead X and blinking
> > screen. Machine still works reasonably well over ssh, so I guess
> > that's an improvement.
>
> Well my last remaining 32bit gen3 device is currently pushing up the
> daises, so could you try removing the attempt to use WC? Something like
>
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
> @@ -955,10 +955,7 @@ static u32 *__reloc_gpu_map(struct reloc_cache *cache,
> {
> u32 *map;
>
> - map = i915_gem_object_pin_map(pool->obj,
> - cache->has_llc ?
> - I915_MAP_FORCE_WB :
> - I915_MAP_FORCE_WC);
> + map = i915_gem_object_pin_map(pool->obj, I915_MAP_FORCE_WB);
>
> on top of the previous patch. Faultinjection didn't turn up anything in
> eb_relocate_vma, so we need to dig deeper.
With this on top of other patches, it works.
Tested-by: Pavel Machek <pavel@xxxxxx>
Best regards,
Pavel
--
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
