gentoolinux linux # dmesg | grep usb
usbcore: registered new driver usbfs
usbcore: registered new driver hub
usb usb1: configuration #1 chosen from 1 choice
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
usbcore: registered new driver usb-storage
usb usb2: configuration #1 chosen from 1 choice
usb usb3: configuration #1 chosen from 1 choice
usb usb4: configuration #1 chosen from 1 choice
usb 2-2: new full speed USB device using ohci_hcd and address 2
usb 2-2: configuration #1 chosen from 1 choice
input: USB HID v1.11 Mouse [Logitech USB Gaming Mouse] on usb-0000:00:03.0-2
hiddev96: USB HID v1.11 Device [Logitech USB Gaming Mouse] on usb-0000:00:03.0-2
usb 4-1: new low speed USB device using ohci_hcd and address 2
usb 4-1: configuration #1 chosen from 1 choice
input: USB HID v1.00 Keyboard [BTC USB Multimedia Cordless Kit  ] on usb-0000:00:03.2-1
input,hiddev97: USB HID v1.00 Mouse [BTC USB Multimedia Cordless Kit  ] on usb-0000:00:03.2-1
usb 1-2: new high speed USB device using ehci_hcd and address 4
usb 1-2: configuration #1 chosen from 1 choice
usb-storage: device found at 4
usb-storage: waiting for device to settle before scanning
usb-storage: device scan complete
gentoolinux linux #