11:08js: Hmm, seems nouveau in general is quite crashy with the Apple Cinema Display 27" (non-Thunderbolt). Either that, or it got more crashy - with my LG display, I didn't remember it crashing that much. Will test again when I get that LG display back (it's currently sent in for warranty)
12:00js: Yep, screen going to sleep is a definite crash every single time
14:58Ilgaz: firefox vaapi-x11 with nouveau works. On nvidia 9400
14:59Ilgaz: not touching anything