Bonjour
Sur ma machine il n'y a qu'un port USB 3 <=> …Driver=
xhci_hcd/1p,
5000M
Quand je n'ai rien de connecté sur ce port USB 3
michel@debg53sw:~$ lsusb -t
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 2: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 2: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 4: Dev 4, If 0, Class=Vendor Specific Class, Driver=rtsx_usb, 480M
michel@debg53sw:~$
Après avoir connecté un boîtier HUB (4 ports USB 3) sur ce port USB 3 => …Class=Hub, Driver=hub/4p,
5000M :
michel@debg53sw:~$ lsusb -t
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 5000M
|__ Port 1: Dev 4, If 0, Class=Hub, Driver=hub/4p, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
|__ Port 1: Dev 19, If 0, Class=Hub, Driver=hub/4p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 2: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 2: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 4: Dev 4, If 0, Class=Vendor Specific Class, Driver=rtsx_usb, 480M
michel@debg53sw:~$
Après avoir connecté sur le port 2 de ce boîtier HUB USB 3
un boîtier USB 3 contenant un disque => …Class=Mass Storage, Driver=usb-storage,
5000M
michel@debg53sw:~$ lsusb -t
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 2: Dev 7, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 2: Dev 7, If 1, Class=Human Interface Device, Driver=usbhid, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 5000M
|__ Port 1: Dev 6, If 0, Class=Hub, Driver=hub/4p, 5000M
|__ Port 2: Dev 7, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
|__ Port 1: Dev 33, If 0, Class=Hub, Driver=hub/4p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 2: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 2: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 4: Dev 4, If 0, Class=Vendor Specific Class, Driver=rtsx_usb, 480M
michel@debg53sw:~$
Après avoir déconnecté le boîtier HUB USB3
et connecté le même boîtier disque sur un port USB
2 => Class=Mass Storage, Driver=usb-storage,
480M
michel@debg53sw:~$ lsusb -t
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 2: Dev 7, If 1, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 2: Dev 7, If 0, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 4: Dev 19, If 0, Class=Mass Storage, Driver=usb-storage, 480M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 5000M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 2: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 2: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 4: Dev 4, If 0, Class=Vendor Specific Class, Driver=rtsx_usb, 480M
michel@debg53sw:~$