(In reply to Stefan Dirsch from comment #21) > Meanwhile Petr found a solution for himself by using nouveau driver. And I > understand it's hassle testing new driver versions again. So let's close > this one. > > @mvetter Not sure why you've added yourself to the ticket. In case you > suffer from the same problem and find a driver version which works for you, > please feel free to update the ticket. Thanks Stefan. I was using the same as Petr but recently reinstalled my machine and am also using nouveau now. It works better now than when I tried it the first time.