Mine

root@vps [~]# Gathering header information file(s) from server(s)
Server: CentOS-3 - Addons
Server: CentOS-3 - Base
Server: CentOS-3 - Extras
Server: CentOS-3 - Updates
Finding updated packages
Downloading needed headers
Getting groups from servers
using cached groups from server: base
Invalid metapkg id emacs-nox
Resolving dependencies
......Unable to satisfy dependencies
Package glibc-dummy-centos-3 needs glibc-common = 2.3.2-95.30, this is not available.