I have exactly the same problem. GTX570, 331.38, Ubuntu 14.04
It may helps: before, when I used 12.10 lts I saw a few times this bug when I have done something to compiz(I don't remeber what exacly, maybe kill or run some effect)
I have exactly the same problem. GTX570, 331.38, Ubuntu 14.04
It may helps: before, when I used 12.10 lts I saw a few times this bug when I have done something to compiz(I don't remeber what exacly, maybe kill or run some effect)