Hi Tommi, Tommi Uimonen wrote: > Hi, I think this is some regression in intel drivers, since this is > happening also on 3.2 kernel. Previously I had 2.6 kernel for a long > time in Linux Mint 9 without any problems, but about a month ago, I > switched to Ubuntu Studio 12.4 beta, and started to experience random > lockups/poweroffs. Please file a separate bug. Thanks, Jonathan