Index: /branches/working-0711/ccl/lib/backtrace.lisp
===================================================================
--- /branches/working-0711/ccl/lib/backtrace.lisp	(revision 12945)
+++ /branches/working-0711/ccl/lib/backtrace.lisp	(revision 12946)
@@ -102,5 +102,5 @@
                            (%show-stack-frame-label frame-number p context lfun pc detailed-p)
                            (when detailed-p
-                             (if (eq detailed-p :raw)
+                             (if (or (eq detailed-p :raw) (null lfun))
                                (%show-stack-frame p context lfun pc)
                                (%show-args-and-locals p context lfun pc)))