Just booted: kernel-3.17.0-0.rc3.git1.1.fc22.x86_64 and video performance is very slow. I do see: Sep 03 15:57:41 voldemort.scrye.com rtkit-daemon[756]: The canary thread is apparently starving. Taking action. Sep 03 15:57:41 voldemort.scrye.com rtkit-daemon[756]: Demoting known real-time threads. Sep 03 15:57:41 voldemort.scrye.com rtkit-daemon[756]: Demoted 0 threads. Sep 03 15:58:34 voldemort.scrye.com kernel: [drm:__gen7_gt_force_wake_mt_get] *ERROR* Timed out waiting for forc ewake to ack request. Booting 3.17.0-0.rc3.git0.1.fc22.x86_64 all is back to normal. kevin
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