This bug issue also affected me -- thanks so much for posting the fix. I had the same pinning levels as Andy, except I had the file
/etc/apt/preferences.d/99-proposed with the same contents as Andy's file. Once I removed that file (which had a creation date of Sept 12 - 2012) rm /etc/apt-preferences.d/99-proposed then things worked after I did a apt-get dist-upgrade -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libxi in Ubuntu. https://bugs.launchpad.net/bugs/1267665 Title: Unable to upgrade Unity due to libxi6 dependency To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libxi/+bug/1267665/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp