On Thu, Dec 15, 2011 at 19:54:15 +0100, tino.keitel+x...@tikei.de wrote:
> On Wed, Dec 14, 2011 at 20:57:51 +0100, tino.keitel+x...@tikei.de wrote:
> 
> [...]
> 
> > it looks I stumbled over the same:
> > 
> > [88399.844150] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:1952!
> > 2011-12-14_19:28:56.93083 <0>[88399.844182] invalid opcode: 0000 [#1]
> > SMP 
> > 
> > While doing this I was running a 32 bit photo software (Bibble 5 pro)
> > in fullscreen on an otherwise 64 bit system.
> > 
> > The full log including the trace is attached.
> > 
> > I'll try with the patch applied.
> 
> I just got the same hang again with the patch applied.

Hum, could this be related to the RC6 vs. IOMMU issue? I have
CONFIG_INTEL_IOMMU enabled in 3.2, and disabled in 3.1, and boot with
i915.i915_enable_rc6=1.

Regards,
Tino
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