Just realized at a ThinkPad T420 with i915 and a stable Gentoo Linux today these messages with kernel v3.9-rc7-173-g830ac85 :
2013-04-22T18:34:23.365+02:00 n22 kernel: [drm:__gen6_gt_force_wake_get] *ERROR* Timed out waiting for forcewake to ack request. 2013-04-22T18:34:23.365+02:00 n22 kernel: [drm:__gen6_gt_wait_for_thread_c0] *ERROR* GT thread status wait timed out 2013-04-22T18:34:23.384+02:00 n22 kernel: [drm:__gen6_gt_force_wake_get] *ERROR* Timed out waiting for forcewake to ack request. 2013-04-22T18:34:23.384+02:00 n22 kernel: [drm:__gen6_gt_wait_for_thread_c0] *ERROR* GT thread status wait timed out -- MfG/Sincerely Toralf F?rster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
