I get these warnings when upgrading or installing packages that ship info files: Processing triggers for install-info (6.5.0.dfsg.1-4) ... install-info: warning: no info dir entry in `/usr/share/info/ocaml.info.haux.gz' install-info: warning: no info dir entry in `/usr/share/info/ocaml.info.hocaml.info.hind.gz' install-info: warning: no info dir entry in `/usr/share/info/ocaml.info.hocaml.info.kwd.hind.gz'