http://bugzilla.suse.com/show_bug.cgi?id=1011250 http://bugzilla.suse.com/show_bug.cgi?id=1011250#c12 --- Comment #12 from Johannes Weberhofer <jweberhofer@weberhofer.at> --- So far I didn't have any issues reagarding the reported problems using the test-kernel. What I see in the dmsg are the following messages: [86000.248277] snd_hda_codec_hdmi hdaudioC0D2: HDMI: ELD buf size is 0, force 128 [86000.248382] snd_hda_codec_hdmi hdaudioC0D2: HDMI: invalid ELD data byte 0 [86000.263372] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe C FIFO underrun [86000.263428] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun [86866.901476] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun Whenever a "underrun" message occures, one of my thre screens turns off an - a few seconds later - on again. -- You are receiving this mail because: You are on the CC list for the bug.