I'm seeing this behavior as well, and I don't have a /var/log/install/syslog file. There is a version file in that directory, but that is all. Attached is my /var/log/syslog. I'll add the partman file next, since only one attachment appears to be added at a time.
** Attachment added: "/var/log/syslog" http://librarian.launchpad.net/4918886/syslog -- installer crashed https://launchpad.net/bugs/67221 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs