This can be closed as invalid. I've discovered that I had in the repositories list a very old source. Once I've removed that everything was ok.
-- update manager removes "wrong" packages https://bugs.launchpad.net/bugs/621757 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