Indeed, this crash is because you entered an empty device name. As of Ubuntu 7.10, the installer has a checkbox to allow you to disable GRUB installation; at least as of Ubuntu 8.04, it will prevent you from entering the empty string like this.
** Changed in: ubiquity (Ubuntu) Status: New => Fix Released -- fedora - ubuntu dual boot install crash https://bugs.launchpad.net/bugs/80674 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