(In reply to comment #86) > Martin, could you try something? I may have been lucky until now, but I've > been running with kernel 3.13-rc7 with HyperZ disabled and for now it has > been stable (inspired by another bug report, bug 73088). I'm running 3.13-rc7 and it has been stable for me so far, but I have only played FTL, since I got bored with serious sam 3. I will try to find a benchmark that triggers the hang and then I can see if disabling HyperZ helps.