I 'm seeing this in 13.10. What I see is mainly when downloading a package, for example deadbeef from a ppa. The completion ratio will change from 79% to 81% and suddenly back to 79%, together with the Downloaded size (in kb) change.
** Changed in: aptdaemon (Ubuntu) Status: Expired => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1085673 Title: Update manager shows incorrect download size To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/aptdaemon/+bug/1085673/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs