[   45.837115] usb 2-3: USB disconnect, device number 4
[   45.852109] ACPI Error: [\SB__.IADP] Namespace lookup failure, AE_NOT_FOUND (20130517/psargs-359)
[   45.852120] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPCB.EC0_._Q41] (Node ffff8802140b83c0), AE_NOT_FOUND (20130517/psparse-536)
[   46.214449] usb 2-3: new full-speed USB device number 9 using xhci_hcd
[   46.232308] usb 2-3: New USB device found, idVendor=045e, idProduct=07a7
[   46.232313] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   46.232316] usb 2-3: Product: SAM
[   46.232318] usb 2-3: Manufacturer: MICROSOFT
[   46.232320] usb 2-3: SerialNumber: 0.1.0000
[   46.243265] input: MICROSOFT SAM as /devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3:1.1/input/input15
[   46.243394] hid-generic 0003:045E:07A7.0008: input,hidraw2: USB HID v1.11 Keyboard [MICROSOFT SAM] on usb-0000:00:14.0-3/input1
[   46.246592] hid-multitouch 0003:045E:07A7.0009: HID_DG_INPUTMODE out of range
[   46.246622] hid-multitouch 0003:045E:07A7.0009: No inputs registered, leaving
[   46.246732] hid-multitouch 0003:045E:07A7.0009: hiddev0,hidraw5: USB HID v1.11 Keyboard [MICROSOFT SAM] on usb-0000:00:14.0-3/input2