At the suggestion of a friend, I ran xev; the problem seems to be accompanied by a frenzy of focus in / out events (see attachment). Anything else I can provide?
** Attachment added: "xev.out" http://launchpadlibrarian.net/24479655/xev.out -- Wireless keyboard stops accepting most (but not all) key presses https://bugs.launchpad.net/bugs/305955 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
