Aha! libzeitgeist-gio appears to be the culprit. It was removed in Natty in bug #724199, so my freshly installed system doesn't have it, and my upgraded system does (or did).
There's still a glib bug here in that libglib2.0 has broken ABI without sufficient packaging metadata changes. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to glib2.0 in Ubuntu. https://bugs.launchpad.net/bugs/827753 Title: libglib 2.29.16-0ubuntu1 breaks desktop session - downgrade fixes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glib2.0/+bug/827753/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
