I reinstalled libc and restarted and the problem disappeared. After further analysis, I think my issue is bug #80893, actually. Leaving as confirmed since Rolf seems to have the same issue, though.
-- No sound on thinkpad T43p in feisty https://launchpad.net/bugs/78299 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
