On Wed, 2016-09-14 at 15:22 +0300, c400 wrote: > may be i can help to test something else? I am ready and have enough free time You may need to mount debugfs at /sys/kernel/debug HTH Oliver -- 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