[root@localhost up2date]# up2date --nox -ud

Fetching Obsoletes list for channel: centos4-Base...

Fetching obsoletes list for http://mirror.centos.org/centos/4/os/i386/...
An error has occurred:
exceptions.IndexError
See /var/log/up2date for more information
[root@localhost up2date]# ls
centos4-addons.20060317111245
centos4-Base.20060315003937
centos4-extras.20060805151044
centos4-Updates.20060808120404
kernel-module-drbd-2.6.9-11.ELhugemem-0.7.17-1.c4.i686.hdr
perl-XML-LibXML-1.58-1.i386.hdr
ruby-mode-1.8.1-7.EL4.6.i386.hdr
[root@localhost up2date]#