Question about usb3.0 port

VIM3
1

When I plug in a usb 3.0 disk into usb3.0 port on VIM3, the disk is probed conectly as blow
khadas@Khadas:~$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
** |__ Port 1: Dev 8, If 0, Class=Mass Storage, Driver=usb-storage, 5000M**
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/2p, 480M
** |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M**

but when I connect a usb3.0 hub to the 3.0 usbport on VIM3, with the usb3.0 disk plugged in the usb3.0 hub, the disk not probed.
khadas@Khadas:~$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/2p, 480M
** |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M**
** |__ Port 1: Dev 10, If 0, Class=Hub, Driver=hub/4p, 480M**

2

When you add USB hub, the device will come under the USB-Hub ports, this is normal functioning, you can use your device normally :slight_smile: