skippy@AARICIA:~$ lsmod | grep usb
usbhid                 42464  0 
usbcore               130304  3 usbhid,uhci_hcd

skippy@AARICIA:~$ dmesg | grep usb
[17179577.840000] usbcore: registered new driver usbfs
[17179577.844000] usbcore: registered new driver hub
[17179577.844000] usb usb1: configuration #1 chosen from 1 choice
[17179577.952000] usb usb2: configuration #1 chosen from 1 choice
[17179578.320000] usb 1-2: new low speed USB device using uhci_hcd and address 2
[17179578.484000] usb 1-2: configuration #1 chosen from 1 choice
[17179598.276000] usbcore: registered new driver hiddev
[17179598.296000] input: USB HID v1.00 Mouse [PS/2+USB Mouse] on usb-0000:00:07.2-2
[17179598.296000] usbcore: registered new driver usbhid
[17179598.296000] drivers/usb/input/hid-core.c: v2.6:USB HID core driver

### Là j'ai brancher ma clef usb

skippy@AARICIA:~$ dmesg | grep usb
[17179577.840000] usbcore: registered new driver usbfs
[17179577.844000] usbcore: registered new driver hub
[17179577.844000] usb usb1: configuration #1 chosen from 1 choice
[17179577.952000] usb usb2: configuration #1 chosen from 1 choice
[17179578.320000] usb 1-2: new low speed USB device using uhci_hcd and address 2
[17179578.484000] usb 1-2: configuration #1 chosen from 1 choice
[17179598.276000] usbcore: registered new driver hiddev
[17179598.296000] input: USB HID v1.00 Mouse [PS/2+USB Mouse] on usb-0000:00:07.2-2
[17179598.296000] usbcore: registered new driver usbhid
[17179598.296000] drivers/usb/input/hid-core.c: v2.6:USB HID core driver
[17179962.464000] usb 2-2: new full speed USB device using uhci_hcd and address 2
[17179962.624000] usb 2-2: configuration #1 chosen from 1 choice
[17179962.964000] usb 2-2: Failed to load zd1201.fw firmware file!
[17179962.964000] usb 2-2: Make sure the hotplug firmware loader is installed.
[17179962.964000] usb 2-2: Goto http://linux-lc100020.sourceforge.net for more info
[17179962.964000] usb 2-2: zd1201 firmware upload failed: -2
[17179962.964000] usbcore: registered new driver zd1201

skippy@AARICIA:~$ lsmod | grep usb
usbhid                 42464  0 
usbcore               130304  4 zd1201,usbhid,uhci_hcd
skippy@AARICIA:~$