OK, sorry you couldn't reproduce it. Do feel free to reopen this bug if you manage to reproduce it again and can get hold of logs. Also, http://wiki.ubuntu.com/DapperReleaseNotes/UbiquityKnownIssues has a list of known problems and workarounds.
Yes, logs are written to RAM in the live session (/var/log/installer/syslog, /var/log/syslog, and /var/log/partman; the whole live CD root filesystem is a tmpfs union-mounted over the read- only filesystem image on the CD). ** Changed in: ubiquity (Ubuntu) Status: Needs Info => Rejected -- Installer crash https://launchpad.net/bugs/53358 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs