--- src/sys/kern/kern_lockf.c	2004/06/25 15:32:18	1.16
+++ src/sys/kern/kern_lockf.c	2004/06/26 08:35:15	1.17
@@ -317,6 +317,7 @@ restart:
 		 */
 		if (brange->lf_flags == 0)
 			TAILQ_REMOVE(&lock->lf_blocked, brange, lf_link);
+		tsleep(brange, 0, "lockfz", 2); /* XXX debug livelock */
 		lf_destroy_range(brange, 0);
 
 		if (error)