i915: GPU hung (F14, Intel Core i5-670)

[Chris Wilson]

On Tue, 29 May 2012 19:41:37 -0700, Linus Torvalds <torvalds at linux-foundation.org> wrote:
> On Mon, May 28, 2012 at 12:06 AM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> >
> > No, the i915_error_state had everything I needed to see. It is the old
> > ddx bug that was hardcoding a maximum relocation address that never
> > corresponded with an actual hw limit. As soon we try to use memory above
> > that value, the GPU decides not to listen to us any more.
> >
> > Fixed in xf86-video-intel 2.14.901
> 
> I really don't think that's the case.
> 
> I have run the F14 X server for a *long* time without these issues on
> this machine, and today I now got a second GPU hang with the current
> git tree. I was in the middle of just writing an email in chrome,
> nothing fancy going on at all.
> 
> So please please *please* take a second look. Because I think it's
> triggered by the i915 changes, or you undid a workaround that used to
> work fine.