Thank you for your comment, Mr. Carthik Sharma. Here, I attach /var/log/partman. In addition, /var/log/installer/syslog and /var/log/syslog are attached rather than be in a comment.
Sincerely -- Installer Crashed: Kubuntu 6.06 LTS Desktop CD https://launchpad.net/bugs/54315 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs