Just as a follow-up: My problem is caused by upstart not being able to handle chroots.
https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/430224 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/708579 Title: package runit 2.1.1-6.2ubuntu1 failed to install/upgrade: Unterprozess installiertes post-installation-Skript gab den Fehlerwert 1 zurück -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
