when upgrading to the new Glibc .21 from .19 an error is recieved: "package Nacosia is not in the file list. Don't quote me on the error.... I OK'd it a few times without paying a whole lot of attention. Reboot was ok cept I got "unmount, device busy" and then fsck ran.. all seems ok after reboot.
*** This bug has been marked as a duplicate of 17332 ***