On Thu, Oct 18, 2012 at 9:10 AM, Thilo-Alexander Ginkel <[email protected]> wrote: > On Wed, Oct 17, 2012 at 1:26 AM, Thilo-Alexander Ginkel > <[email protected]> wrote: >> since upgrading from kernel 3.4.10 to 3.5.x or 3.6.2 (on Kubuntu >> 12.04) I am getting sporadic (but frequent) lockups when switching >> displays using xrandr: >> [...] > > BTW, the lockups also happen with i915.i915_enable_rc6=1 (instead of > the original i915.i915_enable_rc6=3).
Have you upgrade to the very latest xf86-video-intel version already? We've fixed a few bugs related to modeset changes and hanging the gpu. Otherwise, make sure that your kernel contains: commit 5bb61643f6a70d48de9cfe91ad0fee0d618b6816 Author: Chris Wilson <[email protected]> Date: Thu Sep 27 21:25:58 2012 +0100 drm/i915: Flush the pending flips on the CRTC before modification Yours, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
