Index: libcfa/src/concurrency/locks.hfa
===================================================================
--- libcfa/src/concurrency/locks.hfa	(revision df93255245b483253ff74b52c5267df20dd42796)
+++ libcfa/src/concurrency/locks.hfa	(revision 1dbbef6589e7fa96c6a3e4dfdc0c68971d35cd60)
@@ -480,5 +480,4 @@
 	while(__atomic_load_n(&held, __ATOMIC_SEQ_CST)) Pause();
 	__atomic_store_n(&held, true, __ATOMIC_SEQ_CST);
-	// printf("locked\n");
 	unlock( lock, node );
 	#ifdef __CFA_DEBUG__
@@ -488,9 +487,8 @@
 
 static inline void unlock(spin_queue_lock & this) with(this) {
-	// printf("unlocked\n");
 	#ifdef __CFA_DEBUG__
 	owner = 0p;
 	#endif
-	__atomic_store_n(&held, false, __ATOMIC_SEQ_CST);
+	__atomic_store_n(&held, false, __ATOMIC_RELEASE);
 }