[Intel-gfx] 3.8: SNB GPU lockup...

[Daniel J Blueman]

Hi Chris,

On 22 February 2013 16:21, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Fri, Feb 22, 2013 at 10:58:16AM +0800, Daniel J Blueman wrote:
>> With linux 3.8, I experienced a SNB GPU lockup an hour into a gnome-3 session.
>>
>> If interested, I've put the captured state at:
>> http://quora.org/i915_error_state
>> and
>> http://quora.org/Xorg.0.log
>
> See https://bygs.freedesktop.org/show_bug.cgi?id=54226
>
> The issue appears the the propagation of the semaphore values is a
> little sticky, even after the use of LRI.
>
> On that bug we have a couple of ideas we need feedback on, so please do
> try compiling a kernel with either the write-write or write-read
> patches. Or if you just want to have a stable machine, set
> i915.semaphores=0.

Good tip. If time allows, I'll boot with one of the patches and update
the FDO bug after a few days' uptime with the findings.

Thanks,
  Daniel
-- 
Daniel J Blueman