On Wed, 19 Dec 2012, lantianyu wrote: > Oh. I forget to mention the issue also takes place on the uhci. > https://bugzilla.kernel.org/show_bug.cgi?id=42721 > So we also should make such a patch for uhci. That bug report shows clearly that it is a software problem or a device problem, not an error in the UHCI controller hardware. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html