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. -Chris -- Chris Wilson, Intel Open Source Technology Centre
