Typically behavior such as you describe is due to gnome-settings-daemon crashing.
The issues you describe in comment #2 sound like Unity issues and should be reported separately. ** Package changed: xserver-xorg-video-nouveau (Ubuntu) => gnome- settings-daemon (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/921540 Title: Multimonitor setup breaks and reverts to mirror setup randomly and while watching youtube videos To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/921540/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
