This turns out to be a duplicate of bug #535305 (common-lisp-controller: update fails rebuilding sb-grovel, asdf broken as a result). It's supposedly fixed, but "apt-get upgrade" doesn't apply the fix to testing.
In the meantime, you can fix it manually as follows (this is the same fix suggested in the other bug report): As root, from the / directory, apply this patch: =======BEGIN PATCH=================== --- /usr/share/common-lisp/source/common-lisp-controller/post-sysdef-install.lisp.orig 2009-10-21 14:42:00.000000000 -0400 +++ /usr/share/common-lisp/source/common-lisp-controller/post-sysdef-install.lisp 2009-10-21 14:40:59.000000000 -0400 @@ -61,7 +61,7 @@ #+sbcl (defun get-owner-and-mode (directory) (when (eq :directory - (sb-impl::native-file-kind (namestring directory))) + (sb-impl::unix-file-kind (namestring directory))) ;; check who owns it (multiple-value-bind (res dev ino mode nlink uid gid rdev size atime mtime) (sb-unix:unix-stat (namestring directory)) =======END PATCH================= Run "dpkg-reconfigure cl-asdf". -- All your .signature are belong to us. Take off every 'sig' for great justice. -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org