I also noticed that all screen drawing is very slow and uses a lot of CPU. I am attaching a list of packages that have been updated and probably caused this.
** Attachment added: "apt-u" http://launchpadlibrarian.net/18316902/apt-u -- compiz stoped working after update on a ATI X1350 card https://bugs.launchpad.net/bugs/280057 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs