The workaround that got me through was simply to not specify the offending partition during the install then to manually add it to /etc/fstab once I'd finished.
-- ubiquity crashed with OSError in copy_all() https://bugs.launchpad.net/bugs/188976 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs