https://bugs.freedesktop.org/show_bug.cgi?id=73530
--- Comment #58 from Paul Menzel paulepanter@users.sourceforge.net --- Created attachment 93164 --> https://bugs.freedesktop.org/attachment.cgi?id=93164&action=edit Linux kernel log 3.13 with patch from previous comment (200 μs) after xrandr --off/--auto cycle
Display worked after this xrandr cycle.