--- Coro/Changes	2012/12/19 23:36:16	1.610
+++ Coro/Changes	2012/12/21 04:48:16	1.611
@@ -10,6 +10,7 @@
           who designed that made it look exactly like x86_64 without
           providing proper compile time symbols to test for it. as a result,
           this detection cannot work reliably.
+        - valgrind stack registering was broken.
 
 6.23 Fri Dec  7 23:36:37 CET 2012
         - use experimental fiber implementation on native windows