--- sys/kern/kern_spinlock.c.orig	2006-09-22 02:24:58.000000000 +0500
+++ sys/kern/kern_spinlock.c	2006-09-22 02:25:12.000000000 +0500
@@ -277,9 +277,9 @@
 			db_print_backtrace();
 			return (TRUE);
 		}
-#endif
 		if (++bo->nsec == 11)
 			db_print_backtrace();
+#endif
 		if (bo->nsec == 60)
 			panic("spin_lock: %p, indefinite wait!\n", bo->mtx);
 		splz();