Wacom tablet 在ubuntu 14.04.4 LTS 中显示 No tablet detected

Question

新买的 wacom ctl471 在ubuntu 14.04.4 LTS 中显示 No tablet detected, 但是lsusb 显示如下：

Bus 002 Device 005: ID 056a:0300 Wacom Co., Ltd 

同时dmesg显示如下：

[   80.156281] usb 2-1.3: new full-speed USB device number 5 using ehci-pci
[   80.252772] usb 2-1.3: New USB device found, idVendor=056a, idProduct=0300
[   80.252777] usb 2-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   80.252780] usb 2-1.3: Product: CTL-471
[   80.252782] usb 2-1.3: Manufacturer: Wacom Co.,Ltd.
[   80.325217] input: Wacom Bamboo One S Pen as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/0003:056A:0300.0003/input/input12
[   80.380032] wacom 0003:056A:0300.0003: hidraw2: USB HID v1.10 Mouse [Wacom Co.,Ltd. CTL-471] on usb-0000:00:1d.0-1.3/input0
[   80.380763] input: Wacom Bamboo One S Pad as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.1/0003:056A:0300.0004/input/input17
[   80.380992] wacom 0003:056A:0300.0004: hidraw3: USB HID v1.10 Device [Wacom Co.,Ltd. CTL-471] on usb-0000:00:1d.0-1.3/input1

并且，可以通过wacom的笔移动鼠标及正常操作，但是在[settings]-[wacom tablet]中就是没有显示，正常情况下，应该会显示如下图所示：

这是发生了什么？