Here it is, both the sources.list (the duplicates entries are the first and the last ones), and the preferences, for pinning (in this last, I think the installer should assign the priority of the old operating system to the new one if lower, and delete the old one).
** Attachment added: "sources.list" http://launchpadlibrarian.net/33807520/sources.list -- update-manager in Ubuntu 9.04 doesn't check for duplicated entries in sources.list https://bugs.launchpad.net/bugs/449925 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs