On Fri, Nov 06, 2015 at 08:39:28AM +0800, Lu, Baolu wrote: > Have you set CONFIG_PM? Yes. CONFIG_PM=y. > Can you reproduce the problem with this kernel? I reproduced the U1/U2 disconnect issues several times. I didn't try the issue of not enough bandwidth for two devices. /* Steinar */ -- Homepage: http://www.sesse.net/ -- 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