I had not updated for several days, but when I did so today the problem disappeared. I'm not sure what fix landed when, but I'm currently on 2.6.32-21-generic and everything behaves as expected. :)
I had not updated for several days, but when I did so today the problem disappeared. I'm not sure what fix landed when, but I'm currently on 2.6.32-21-generic and everything behaves as expected. :)