This does not appear to be the same bug as 90292. In 6.10, /var/log/installer/syslog does not exist. I'm attaching /var/log/syslog and /var/log/partman here.
** Attachment added: "/var/log/syslog" http://librarian.launchpad.net/6714165/syslog -- 6.10 amd64 installer hangs https://launchpad.net/bugs/90292 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs