With this configuration, running ECL on the command-line gives me this:
didier(pts/4)% ecl Err 1 11:27 06/24/13
;;; Loading #P"/home/didier/.clrc"
;;; Loading #P"/usr/local/lib/ecl-12.7.1/asdf.fas"
;;; Loading #P"/usr/local/lib/ecl-12.7.1/cmp.fas"
;;; Loading "/usr/local/share/common-lisp/source/quicklisp/setup.lisp"
ASDF could not load sockets because Error while trying to load definition for system sockets from pathname /usr/local/lib/ecl-12.7.1/sockets.asd: No applicable method for SOURCE-FILE-TYPE with arguments of types
COMPILED-FILE