U盘和USB 硬盘都识别为full speed 12M的,硬盘识别过程出现错误如下:
usb 1-1.4: new full speed USB device number 9 using s5p-ehci
<3>usb 1-1.4: device descriptor read/64, error -32
usb 1-1.4: device descriptor read/64, error -32
<3>usb 1-1.4: device descriptor read/64, error -32
usb 1-1.4: device descriptor read/64, error -32
<6>usb 1-1.4: new full speed USB device number 10 using s5p-ehci
<3>usb 1-1.4: device descriptor read/64, error -32
usb 1-1.4: device descriptor read/64, error -32