Index: uspace/lib/usbhost/src/hcd.c
===================================================================
--- uspace/lib/usbhost/src/hcd.c	(revision 5fd9c308725be28e98aaeb91d9f3367e470de4f1)
+++ uspace/lib/usbhost/src/hcd.c	(revision a4e2688242f9b376a6077b18fc9e81977110922c)
@@ -41,4 +41,5 @@
 #include <errno.h>
 #include <usb_iface.h>
+#include <str_error.h>
 
 #include "hcd.h"
@@ -128,6 +129,8 @@
 
 	const int ret = hcd->ops.schedule(hcd, batch);
-	if (ret != EOK)
+	if (ret != EOK) {
+		usb_log_warning("Batch %p failed to schedule: %s", batch, str_error(ret));
 		usb_transfer_batch_destroy(batch);
+	}
 
 	/* Drop our own reference to ep. */