After some tinkering with the partitioner and retrying the install 3 or 4 times, it finally installed. Problem solved for now but maybe the info in this bug report will help someone find the reason for the crashes.
-- Installer for Ubuntu 6.06 crashed https://launchpad.net/bugs/82165 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
