I case it can be helpful, based on the description in the BTS so far, I just wanted to point out another possible cause for boot hangs: Lack of entropy. In Debian Edu a long time ago, the installation would hang until we started pressing keys (aka try to debug the situation), and after a lot of dead ends we located it to lack of entropy in the kernel when setting up a Kerberos server. See <URL: http://www.hungry.com/~pere/blog/Fixing_an_hanging_debian_installer_for_Debian_Edu.html > for some details if this is useful.
-- Happy hacking Petter Reinholdtsen
