[Intel-gfx] [PATCH] drm/i915: Update write_domains on active list after flush.

[Daniel Vetter]

On Sun, Feb 07, 2010 at 02:35:12AM +0100, Adam Lantos wrote:
> ...
> 
> I was bitten by this problem on -rc5 some weeks ago, and now it
> happens again on rc7: only using kde4 'present windows' after login,
> and voilá, I get some artifacts and a kernel bug_on.
> 
> Should I try this patch and report back, or are you guys currently
> working on an updated version? What's missing, should I provide more
> debug info? It seems that I can reliably trigger this one.

There's a updated patch on intel-gfx, search for

[PATCH 08/11] drm/i915: Update write_domains on active list after flush.

Tester feedback always higly welcome.

> Btw I'm using xorg-server-1.7.4.901-1, libdrm-2.4.17-3, mesa-7.7-1,
> xf86-video-intel-2.9.1-1 all from archlinux repos.

What's your hw? I suspect either i8xx or i915G(M) cause they are quite
badly fence-reg starved. At least that's the most likely way this code
path gets exercised.

> thanks,
>  Adam
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48