It looks like you tried to shrink the volume smaller than the minimum possible size, so it aborted. Partman shouldn't allow you to try to do that. I'm guessing there is something wrong with it's logic in determining the minimum allowed size.
** Package changed: ubiquity (Ubuntu) => partman-ext3 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1363662 Title: Attemping to install xubuntu 14.10 beta 1 by eraising 13.10 and new install To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/partman-ext3/+bug/1363662/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs