Thanks for your report. Please provide the contents of the files in /var/log/installer directory as attachments.
Putting this for ubiquity for now. ** Changed in: Ubuntu Sourcepackagename: None => ubiquity Status: Unconfirmed => Needs Info -- install crashed 81% through https://launchpad.net/bugs/81785 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs