https://bugs.freedesktop.org/show_bug.cgi?id=103791
--- Comment #15 from Michel Dänzer michel@daenzer.net --- Created attachment 135969 --> https://bugs.freedesktop.org/attachment.cgi?id=135969&action=edit Debugging output related to enabling/disabling the vblank interrupt
Another iteration, to find out why the vblank interrupt doesn't get enabled.