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
