Index: kern_timeout.c
===================================================================
--- kern_timeout.c	(revision 238497)
+++ kern_timeout.c	(working copy)
@@ -537,12 +537,14 @@
 			}
 		}
 		c->c_precision.frac = r_val;
+		/*
 		CTR6(KTR_CALLOUT, "rounding %d.%08x%08x to %d.%08x%08x", 
 		    to_bintime.sec, (u_int) (to_bintime.frac >> 32), 
 		    (u_int) (to_bintime.frac & 0xffffffff), c->c_time.sec, 
 		    (u_int) (c->c_time.frac >> 32), 
 		    (u_int) (c->c_time.frac & 0xffffffff)); 
-	} 
+		*/
+	}
 	bucket = get_bucket(&c->c_time);
 	TAILQ_INSERT_TAIL(&cc->cc_callwheel[bucket & callwheelmask], 
 	    c, c_links.tqe);
@@ -957,10 +959,12 @@
 			cc->cc_migration_func = ftn;
 			cc->cc_migration_arg = arg;
 			c->c_flags |= CALLOUT_DFRMIGRATION;
+			/*
 			CTR6(KTR_CALLOUT,
 		    "migration of %p func %p arg %p in %d.%08x to %u deferred",
 			    c, c->c_func, c->c_arg, (int)(to_bt.sec), 
 			    (u_int)(to_bt.frac >> 32), cpu);
+			*/
 			CC_UNLOCK(cc);
 			return (cancelled);
 		}
@@ -969,9 +973,11 @@
 #endif
 
 	callout_cc_add(c, cc, to_bt, ftn, arg, cpu, flags);
+	/*
 	CTR6(KTR_CALLOUT, "%sscheduled %p func %p arg %p in %d.%08x",
 	    cancelled ? "re" : "", c, c->c_func, c->c_arg, (int)(to_bt.sec), 
 	    (u_int)(to_bt.frac >> 32));
+	*/
 	CC_UNLOCK(cc);
 
 	return (cancelled);