diff --git a/sys/cam/cam_xpt.h b/sys/cam/cam_xpt.h
--- a/sys/cam/cam_xpt.h
+++ b/sys/cam/cam_xpt.h
@@ -155,7 +155,7 @@
 {
 
 	bzero(cpi, sizeof(*cpi));
-	xpt_setup_ccb(&cpi->ccb_h, path, CAM_PRIORITY_NORMAL);
+	xpt_setup_ccb(&cpi->ccb_h, path, CAM_PRIORITY_NONE);
 	cpi->ccb_h.func_code = XPT_PATH_INQ;
 	xpt_action((union ccb *)cpi);
 }