Hi, Some move would hangs the USB host. 1. plugged in USB hub on port (4 ports), with one USB storage device attached 2. fast plug/unplug USB hub wire, several times. 3. USB host controller might crash, not able to detect any hub/device anymore any suggestion i can add to fix this issue? Thanks! -- 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