I got the same failure IOError: [Errno 2] No such file or directory. It failed again after in about 24 hours after restarting the full backup. It looks to have left 2.5G of duplicity files around.
~/.cache/deja-dup $ du -sh . 2.5G -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1177381 Title: Backup failed with unknown error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/deja-dup/+bug/1177381/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs