Index: if_uath.c
===================================================================
--- if_uath.c	(revision 192371)
+++ if_uath.c	(working copy)
@@ -392,6 +392,7 @@
 		device_printf(sc->sc_dev, "could not initialize adapter\n");
 		goto fail3;
 	}
+	usb2_pause_mtx(NULL, 500);
 	error = uath_get_devcap(sc);
 	if (error != 0) {
 		device_printf(sc->sc_dev,
@@ -842,6 +843,7 @@
 uath_get_devcap(struct uath_softc *sc)
 {
 #define	GETCAP(x, v) do {				\
+	usb2_pause_mtx(NULL, 200);			\
 	error = uath_get_capability(sc, x, &v);		\
 	if (error != 0)					\
 		return (error);				\