I tried a test vivid → wily dist-upgrade in a chroot with ubuntu- desktop^ installed and it hit this issue.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1485970 Title: apt-get dist-upgrade falied with a dbus trigger loop due to an unconfigured library (libexpat1) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1485970/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs