Chris, I can reproduce it consistently. The effect is immediate, and shows up in screenshots. I haven't tried an external display, but according to Xorg.0.log, my Thinkpad is running at native 1366x768.
Minecraft is the only application I've seen it on in trusty so far, but admittedly I don't really play games on my laptop. ** Attachment added: "Xorg.0.log" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1277905/+attachment/3994696/+files/Xorg.0.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1277905 Title: Game windows (minecraft, titan attacks, maybe others) on Intel are transparent and no longer playable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1277905/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs