Maybe, you are right. Anyway, I'm traced my problem to its root cause bug 789141 and yours issue have disappeared. I think we should close this but, because we cannot reproduce it anymore. If some one have similar problem, that looks like this bug, feel free to reopen the bug.
** Changed in: kbd (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/750636 Title: [Natty] Encoding issue on TTY -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs