[Intel-gfx] [PATCH 1/3] drm/i915: Fixup intel_write_status_page() for old CPUs without clflush

[Chris Wilson]

On Fri, Mar 24, 2017 at 10:53:18PM +0200, Ville Syrjälä wrote:
> On Fri, Mar 24, 2017 at 09:05:13PM +0200, Ville Syrjälä wrote:
> > Unfortunately the GPU still dies as soon as I fire up glxgears. 4.9
> > seems to be working just fine, so looks like a kernel regression.
> 
> And bisected down to
> 
> commit 944397f04f24eaf05125896dcb601c0e1c917879
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Mon Jan 9 16:16:11 2017 +0000
> 
>     drm/i915: Store required fence size/alignment for GGTT vma

That was a surprise. The last kernel I glanced at my i845 was an
v4.11-rc2, so it had a chance of hitting the same.

Can you send me the error state?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre