Your comment does not make sense. You initially said you were installing to a flash drive, which your logs confirm, so it does not make sense to say that the hdd checks out ok with smart. The flash drive had some sort of failure and went off line during the install, so this is a hardware error.
** Changed in: ubiquity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1383679 Title: Installer crashed while installing to 8GB USB To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1383679/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs