As per https://wiki.ubuntu.com/UpstartCompatibleInitScripts and the debian policy on alternative init systems, init.d scripts and upstart jobs should have a one-to-one mapping by name. It appears that ceph-all.conf is shipped, but no equivalent init.d script is present (even a dummy one), therefore the postinstall is failing if the host system's pid one at the time is not upstart.
Either guard the calls in the postinst, to check for upstart, or provide dummy / empty ceph-all initscript. -- Regards, Dimitri. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org