Ubuntu
xserver-xorg-video-intel package

  1. Bug #1041790
  2. Comment #63

Comment 63 for bug 1041790

Revision history for this message
In , Daniel-ffwll (daniel-ffwll) wrote :

Created attachment 73560
write mbox regs twice on snb

Another piece of magic which might help. Please test this patch and the one from Chris ("Read back semaphore mboxes after update") separately and report back whether anything changes.