Status update: The bug occurs even when not using USB input devices. But I have to let my computer be on for an extended period of time (many hours). In contrast using USB HID-devices seems to effectively trigger this bug.
-- major window focus problem in X https://bugs.launchpad.net/bugs/229123 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