Same issue here. mission-control started by user gdm is at 100% CPU in top. I have not dconf scheme installed in /usr/local.
flo@ubuntu:~$ ps -U gdm PID TTY TIME CMD 2147 ? 00:35:02 mission-control 2152 ? 00:00:00 gnome-keyring-d -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1190865 Title: apparmor denies the creation of directory To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/telepathy-mission-control-5/+bug/1190865/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs