root@server:/etc/apt# cat /etc/apt/sources.list; apt-get update;
deb http://http.us.debian.org/debian etch main contrib non-free
Get:1 http://http.us.debian.org etch Release.gpg [378B]
Hit http://http.us.debian.org etch Release
Err http://http.us.debian.org etch Release

Get:2 http://http.us.debian.org etch Release [58.2kB]
Ign http://http.us.debian.org etch Release
Ign http://http.us.debian.org etch/main Packages/DiffIndex
Ign http://http.us.debian.org etch/contrib Packages/DiffIndex
Ign http://http.us.debian.org etch/non-free Packages/DiffIndex
Hit http://http.us.debian.org etch/main Packages
Hit http://http.us.debian.org etch/contrib Packages
Hit http://http.us.debian.org etch/non-free Packages
Fetched 58.6kB in 1s (53.3kB/s)
Reading package lists... Done
W: GPG error: http://http.us.debian.org etch Release: Unknown error executing gpgv
W: You may want to run apt-get update to correct these problems