http://bugzilla.suse.com/show_bug.cgi?id=1094780 http://bugzilla.suse.com/show_bug.cgi?id=1094780#c4 --- Comment #4 from Takashi Iwai <tiwai@suse.com> --- Also, are you using docking station? The symptom appears similar as the upstream bug https://bugs.freedesktop.org/show_bug.cgi?id=90682 It mentioned about DP-MST. -- You are receiving this mail because: You are on the CC list for the bug.