The following cyclic dependency could be the problem: root@trac:~# aptitude purge plymouth The following packages will be REMOVED: plymouth{p} 0 packages upgraded, 0 newly installed, 1 to remove and 0 not upgraded. Need to get 0 B of archives. After unpacking 528 kB will be freed. The following packages have unmet dependencies: plymouth-theme-kubuntu-logo: Depends: plymouth but it is not going to be installed. plymouth-label: Depends: plymouth (= 0.8.2-2ubuntu23) but it is not going to be installed. plymouth-theme-ubuntu-logo: Depends: plymouth but it is not going to be installed. cryptsetup: Depends: plymouth but it is not going to be installed. plymouth-theme-kubuntu-text: Depends: plymouth but it is not going to be installed. plymouth-theme-ubuntu-text: Depends: plymouth but it is not going to be installed. mountall: Depends: plymouth but it is not going to be installed. The following actions will resolve these dependencies:
Keep the following packages at their current version: 1) plymouth [0.8.2-2ubuntu23 (natty-updates, now)] Accept this solution? [Y/n/q/?] q Abandoning all efforts to resolve these dependencies. Abort. root@trac:~# aptitude purge mountall The following packages will be REMOVED: mountall{p} 0 packages upgraded, 0 newly installed, 1 to remove and 0 not upgraded. Need to get 0 B of archives. After unpacking 254 kB will be freed. The following packages have unmet dependencies: upstart: Depends: mountall but it is not going to be installed. plymouth: Depends: mountall (>= 2.0) but it is not going to be installed. The following actions will resolve these dependencies: Keep the following packages at their current version: 1) mountall [2.25ubuntu1 (natty, now)] Accept this solution? [Y/n/q/?] q Abandoning all efforts to resolve these dependencies. Abort. root@trac:~# -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1028740 Title: New release 'oneiric' available. Run 'do-release-upgrade' to upgrade to it. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1028740/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs