우분투 x-windows 오류 메세지입니다. 참고하세요

어떤분이 startx 안되면 /var/log/xorg.0.log 여기사 EE 라는곳에 문제가 있다고 하는데.
저도 잘모르겠습니다.

error opening security policy file /usr/lib/xserver/SecurityPolicy
(**) Option "CoreKeyboard"
(**) Generic Keyboard: Core Keyboard
(**) Option "Protocol" "standard"
(**) Generic Keyboard: Protocol: standard
(**) Option "AutoRepeat" "500 30"
(**) Option "XkbRules" "xorg"
(**) Generic Keyboard: XkbRules: "xorg"
(**) Option "XkbModel" "pc105"
(**) Generic Keyboard: XkbModel: "pc105"
(**) Option "XkbLayout" "us"
(**) Generic Keyboard: XkbLayout: "us"
(**) Option "XkbOptions" "lv3:ralt_switch"
(**) Generic Keyboard: XkbOptions: "lv3:ralt_switch"
(**) Option "CustomKeycodes" "off"
(**) Generic Keyboard: CustomKeycodes disabled
(**) Option "Protocol" "ExplorerPS/2"
(**) Configured Mouse: Device: "/dev/input/mice"
(**) Configured Mouse: Protocol: "ExplorerPS/2"
(**) Option "CorePointer"
(**) Configured Mouse: Core Pointer
(**) Option "Device" "/dev/input/mice"
(**) Option "Emulate3Buttons" "true"
(**) Configured Mouse: Emulate3Buttons, Emulate3Timeout: 50
(**) Option "ZAxisMapping" "4 5"
(**) Configured Mouse: ZAxisMapping: buttons 4 and 5
(**) Configured Mouse: Buttons: 9
(**) Option "SendCoreEvents"
(**) stylus: always reports core events
(**) stylus device is /dev/wacom
(**) stylus is in absolute mode
(**) stylus: forcing TabletPC ISD V4 protocol
(**) WACOM: suppress value is 2
(**) Option "BaudRate" "9600"
(**) stylus: serial speed 9600
(**) Option "SendCoreEvents"
(**) cursor: always reports core events
(**) cursor device is /dev/wacom
(**) cursor is in relative mode
(**) cursor: forcing TabletPC ISD V4 protocol
(**) WACOM: suppress value is 2
(**) Option "BaudRate" "9600"
(**) cursor: serial speed 9600
(**) Option "SendCoreEvents"
(**) eraser: always reports core events
(**) eraser device is /dev/wacom
(**) eraser is in absolute mode
(**) eraser: forcing TabletPC ISD V4 protocol
(**) WACOM: suppress value is 2
(**) Option "BaudRate" "9600"
(**) eraser: serial speed 9600
(II) XINPUT: Adding extended input device "eraser" (type: Wacom Eraser)
(II) XINPUT: Adding extended input device "cursor" (type: Wacom Cursor)
(II) XINPUT: Adding extended input device "stylus" (type: Wacom Stylus)
(II) XINPUT: Adding extended input device "Configured Mouse" (type: MOUSE)
(II) XINPUT: Adding extended input device "Generic Keyboard" (type: KEYBOARD)
(II) XINPUT: Adding extended input device "NVIDIA Event Handler" (type: Other)
xkb_keycodes { include "xfree86+aliases(qwerty)" };
xkb_types { include "complete" };
xkb_compatibility { include "complete" };
xkb_symbols { include "pc(pc105)+us+level3(ralt_switch)" };
xkb_geometry { include "pc(pc105)" };
(**) Option "Device" "/dev/wacom"
(EE) xf86OpenSerial: Cannot open device /dev/wacom
No such file or directory.
Error opening /dev/wacom : No such file or directory
(EE) xf86OpenSerial: Cannot open device /dev/wacom
No such file or directory.
Error opening /dev/wacom : No such file or directory
(**) Option "Device" "/dev/wacom"
(EE) xf86OpenSerial: Cannot open device /dev/wacom
No such file or directory.
Error opening /dev/wacom : No such file or directory
(EE) xf86OpenSerial: Cannot open device /dev/wacom
No such file or directory.
Error opening /dev/wacom : No such file or directory
(**) Option "Device" "/dev/wacom"
(EE) xf86OpenSerial: Cannot open device /dev/wacom
No such file or directory.
Error opening /dev/wacom : No such file or directory
(EE) xf86OpenSerial: Cannot open device /dev/wacom
No such file or directory.
Error opening /dev/wacom : No such file or directory
(II) Configured Mouse: ps2EnableDataReporting: succeeded
Could not init font path element /usr/share/fonts/X11/TTF/, removing from list!
Could not init font path element /usr/share/fonts/X11/OTF, removing from list!
Could not init font path element /usr/share/fonts/X11/CID/, removing from list!