Index: /trunk/source/lisp-kernel/x86-exceptions.c
===================================================================
--- /trunk/source/lisp-kernel/x86-exceptions.c	(revision 14671)
+++ /trunk/source/lisp-kernel/x86-exceptions.c	(revision 14672)
@@ -3365,5 +3365,7 @@
                          (thread_state_t)&fs,
                          x86_FLOAT_STATE64_COUNT);
-        return 0;
+        *out_state_count = NATIVE_THREAD_STATE_COUNT;
+        *out_ts = *ts;
+        return KERN_SUCCESS;
       }
 #endif