• Resolvconf is broken in Natty and Oneiric (#941)
• inc(1) can fail if you run over quota in AFS (#604), fixed in wheezy/quantal
• byobu postinst can fail (#627)
• update-lanuage-def broken in Natty (#944)
• deluser --remove-all-files will search AFS (#907), fixed in Precise/wheezy