启动时提示systemd-udevd [317]: Error

[imlxq]

昨天才新安装的ubuntu14.04 今天启动的时候发现报个Error
systemd-udevd [317]: Error calling EVIOCSKEYCODE: Invalid argument

连续报12行
也不会卡住，几秒后就消失了 ，进去后使用上感觉也挺正常，这个到底时哪里的问题呢，开机总看到觉得有些蛋疼

dmesg 的部分内容如下，完整输出见

dmesg.txt

(64.63 KiB) 已下载 45 次

代码： 全选

[   19.286860] [drm] radeon kernel modesetting enabled.
[   19.286875] VGA switcheroo: detected switching method \_SB_.PCI0.GFX0.ATPX handle
[   19.286948] radeon 0000:01:00.0: enabling device (0006 -> 0007)
[   19.299592] [drm] Wrong MCH_SSKPD value: 0x16040307
[   19.299596] [drm] This can cause pipe underruns and display issues.
[   19.299598] [drm] Please upgrade your BIOS to fix this.
[   19.317652] fbcon: inteldrmfb (fb0) is primary device
[   19.351665] rtl8192ce: Using firmware rtlwifi/rtl8192cfw.bin
[   19.402873] kvm: disabled by bios
[   19.405035] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405044] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405051] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405058] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405134] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405141] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405148] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405155] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405162] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405169] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405175] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.405182] systemd-udevd[317]: Error calling EVIOCSKEYCODE: Invalid argument
[   19.418548] Linux video capture interface: v2.00
[   19.454771] uvcvideo: Found UVC 1.00 device Integrated Camera (04f2:b257)
[   19.456275] input: Integrated Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5:1.0/input/input8
[   19.456738] usbcore: registered new interface driver uvcvideo
[   19.456739] USB Video Class driver (1.1.1)
[   19.466749] kvm: disabled by bios
[   19.526257] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[   19.526491] rtlwifi: wireless switch is on
[   19.591942] cfg80211: World regulatory domain updated:

[astolia]

某些型号的键盘/鼠标会导致这个错误出现，你可以换个其他型号的键盘/鼠标试试