On Sun, 13 Jan 2013, gavin.kx wrote: > if i use suspend function, the hub may occur error, if i removed the > hub before suspend then can avoid the suspend? if it could, how can i > do ? how to remove and add ? You remove a hub the same way you remove any other USB device -- by unplugging the cable. Also, I thought you wanted to prevent the hub from going into suspend. When the hub is removed, it definitely _will_ go into suspend. 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