You forgot to install the debconf files, thus yielding:
Setting up linux-base (2.6.33-1~experimental.1) ...
Error setting debconf question linux-base/disk-id-convert-auto: "linux-base/disk-id-convert-auto" doesn't exist at /var/lib/dpkg/info/linux-base.postinst line 1384, <STDIN> line 2.
dpkg: error processing linux-base (--configure):
subprocess installed post-installation script returned error exit status 9
% sudo grep linux-base /var/cache/debconf/templates.dat || echo not found
not found
% ls /var/lib/dpkg/info/linux-base.{templates,config}
ls: cannot access /var/lib/dpkg/info/linux-base.templates: No such file or directory
ls: cannot access /var/lib/dpkg/info/linux-base.config: No such file or directory
Kernel: Linux 2.6.32-2-686 (SMP w/1 CPU core)
Locale: LANG=en_GB, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages linux-base depends on:
ii libapt-pkg-perl 0.1.24 Perl interface to libapt-pkg
linux-base recommends no packages.
linux-base suggests no packages.
-- no debconf information
--
.'`. martin f. krafft <madduck@d.o> Related projects:
: :' : proud Debian developer http://debiansystem.info
`. `'` http://people.debian.org/~madduck http://vcs-pkg.org
`- Debian - when you have better things to do than fixing systems