Index: vm_machdep.c
===================================================================
--- vm_machdep.c	(revision 206103)
+++ vm_machdep.c	(working copy)
@@ -302,9 +286,13 @@
 			 * return value is really just 32
 			 * bits.
 			 */
-			locr0->v0 = td->td_retval[0];
-			if (_QUAD_LOWWORD)
+			if (_QUAD_LOWWORD) {
+				locr0->v0 = 0;
 				locr0->v1 = td->td_retval[0];
+			} else {
+				locr0->v0 = td->td_retval[0];
+				locr0->v1 = 0;
+			}
 			locr0->a3 = 0;
 		} else {
 			locr0->v0 = td->td_retval[0];
@@ -321,15 +309,8 @@
 		break;	/* nothing to do */
 
 	default:
-		if (quad_syscall && code != SYS_lseek) {
-			locr0->v0 = error;
-			if (_QUAD_LOWWORD)
-				locr0->v1 = error;
-			locr0->a3 = 1;
-		} else {
-			locr0->v0 = error;
-			locr0->a3 = 1;
-		}
+		locr0->v0 = error;
+		locr0->a3 = 1;
 	}
 }