Intel i915 freeze on latest git

[Francesco Allertsen]

On Wed, Feb 09, 2011 at 05:09:10PM +0000, Chris Wilson wrote:
> I was optimistic that we might spot the real issue... However, you appear
> to be not alone and so I've pushed a disabling patch onto -fixes:
> 
> commit ac66808814036b4c33dd98091b2176ae6157f1a8
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Wed Feb 9 16:15:32 2011 +0000
> 
>     drm/i915: Disable RC6 on Ironlake
>     
>     The automatic powersaving feature is once again causing havoc, with 100%
>     reliable hangs on boot and resume on affected machines.
>     
>     Reported-by: Francesco Allertsen <fallertsen at gmail.com>
>     Reported-by: Gui Rui <chaos.proton at gmail.com>
>     Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28582
>     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> That should work its way upstream shortly.

I've tried to apply it on top of 2.6.38-rc4, and now it doesn't hang
when I start X, but it hangs when I resume from suspend to RAM.

Bye
Francesco