I'm also seeing this. I can reproduce it every time by opening LibreOffice Writer.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/760769 Title: Desktop stops responding to all keyboard and mouse clicks -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs