--- a/src/threads/lock.cpp	Thu Sep 11 14:52:50 2008 +0200
+++ b/src/threads/lock.cpp	Thu Sep 11 15:13:24 2008 +0200
@@ -717,6 +717,7 @@
 		for (;;)
 		{
 			threadobject *current;
+			int i = 0;
 
 			// Wait until another thread sees the flc bit and notifies
 			// us of unlocking.
@@ -726,8 +727,17 @@
 				break;
 			/* Traverse FLC list looking if we're still there */
 			current = t_other->flc_list;
-			while (current && current != t)
+			while (current && current != t) {
+				i++;
 				current = current->flc_next;
+			}
+			{
+				static int umax = 0;
+				if (i>umax) {
+					printf("sable len %d\n", i);
+					umax = i;
+				}
+			}
 			if (!current)
 				/* not in list anymore, can stop waiting */
 				break;