It looks as though the problem is that the upgrade from dapper failed to change the font paths in xorg.conf from /usr/share/X11/fonts to /usr/share/fonts/X11.
** Changed in: xorg (Ubuntu) Sourcepackagename: xorg => update-manager -- font selection broken in Emacs and other things https://launchpad.net/bugs/64003 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs