Index: sys/cam/scsi/scsi_xpt.c
===================================================================
--- sys/cam/scsi/scsi_xpt.c
+++ sys/cam/scsi/scsi_xpt.c
@@ -2020,7 +2020,21 @@
 		/* Cache on our stack so we can work asynchronously */
 		max_target = scan_info->cpi->max_target;
 		low_target = 0;
-		initiator_id = scan_info->cpi->initiator_id;
+
+		/*
+		 * SAS does not have a concept of initiator ID, so ignore
+		 * the SIM provided value which is traditionally faked for
+		 * legacy reasons and use an impossible one that's guaranteed
+		 * to be greater than max_target.
+		 */
+		switch(scan_info->cpi->transport) {
+		case XPORT_SAS:
+			initiator_id = UINT_MAX;
+			break;
+		default:
+			initiator_id = scan_info->cpi->initiator_id;
+			break;
+		}
 
 
 		/*