More info: This seems to be related to Unity, or at least, Unity makes the problem show up a lot faster. When running Unity, I'd see this problem every day. I switched to using gnome-shell for my desktop, and I've been up for a week now without ever encountering the problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1518411 Title: "Maximum number of clients reached", new in Ubuntu 15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1518411/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs