Which version of xserver-xorg-video-intel are you using?
I found that using xserver-xorg-video-intel 2:2.6.3-0ubuntu4 causing bugs with i915.
Maybe xserver-xorg-video-intel 2:2.6.3-0ubuntu3 is to blame, because when I don't use any of this packages everything works fine.
Which version of xserver- xorg-video- intel are you using? xorg-video- intel 2:2.6.3-0ubuntu4 causing bugs with i915. xorg-video- intel 2:2.6.3-0ubuntu3 is to blame, because when I don't use any of this packages everything works fine.
I found that using xserver-
Maybe xserver-
For details look at: /bugs.launchpad .net/ubuntu/ +source/ xorg/+bug/ 354735
https:/