It looks like this is a duplicated by Bug #67054. Bug #67054 should be closed to this bug. Still see this with Feisty on initial chroot install.
-- sloccount's meddling with LANG causes warnings from perl. https://launchpad.net/bugs/1524 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs