Related to  It looks like the problem's related to the USB autosuspend. Googling "xHCI host not responding to stop endpoint command." seems to say so. I've been trying to disable the USB autosuspend but no success. I followed all possible ways described in    https://unix.stackexchange.com/questions/91027/how-to-disable-usb-autosuspend-on-kernel-3-7-10-or-above and  https://www.kernel.org/doc/Documentation/usb/power-management.txt   but  $ cat /sys/module