Looks like it was a false alarm, all is normal again at {http,ftp}.us.debian.org. Is ftp.us.debian.org the master node? > Same problem now also at {http,ftp}.us.debian.org? > > W: Failed to fetch > bzip2:/var/lib/apt/lists/partial/ftp.us.debian.org_debian_dists_unstable_main_binary-i386_Packages Hash Sum mismatch > ...