i confirm that in Feisty fawn, dist-upgrade tries to remove upstart and install sysvinit.
This is the output of apt-cache rdepends: Reverse Depends: selinux-policy-refpolicy-targeted selinux-policy-refpolicy-strict selinux-policy-default |molly-guard upstart-compat-sysv upstart upstart sysvutils sysv-rc initscripts initscripts e2fsprogs dpkg -- apt-get dist-upgrade want to remove upstart https://launchpad.net/bugs/61495 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
