Most of the problems ("freezing") seen by the user would probably fall under Bug #994306, which I've now witnessed on this system. The one I reported above is different, and apparently much rarer in occurrence.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/994714 Title: [drm] nouveau: Unexpected pageflip in channel 3. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/994714/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs