[Intel-gfx] GPU freeze on my Kubuntu 12.10 system

[Chris Wilson]

On Wed, Apr 17, 2013 at 10:25:42AM -0400, icanprogram at 295.ca wrote:
> I'm new to your mailing list,  so I'm not sure exactly how to report this.    
> 
> My KDE system is quite flaky.    The Xorg.0.log and dmesg both are reporting 
> that my GPU is hung out to dry.    I have other issues in KDE,  but I figure 
> the first order of business is to get the GPU working correctly.
> 
> I have attached the output from both dmesg and 
> /sys/kernel/debug/dri/0/i915_error_state

You have the TLB invalidate bug that crept into v3.5. Fixes are in
progress for Ubuntu, but the easiest way to avoid the bug is to
upgrade to v3.8.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre