Chrome OS에서 Ubuntu 14.02로 전환

Chrome OS에서 Ubuntu 14.02로 전환

평소처럼 Chrome OS에서 Ubuntu 14.02로 전환하려고 합니다.

sudo startunity

하지만 이것이 나에게 이런 문제를 안겨준다. 이런 일이 발생한 사람이 있습니까? 도움을 주시면 감사하겠습니다.

 Error org.freedesktop.DBus.Error.UnknownMethod: Method  
"ReleaseDisplayOwnership" with signature "" on interface 
"org.chromium.LibCrosServiceInterface" doesn't exist

xf86EnableIOPorts: failed to set IOPL for I/O (Operation not 
 permitted)
  Error org.freedesktop.DBus.Error.UnknownMethod: Method 
 "ReleaseDisplayOwnership" with signature "" on interface 
 "org.chromium.LibCrosServiceInterface" doesn't exist

 xf86EnableIOPorts: failed to set IOPL for I/O (Operation not 
 permitted)
 Unable to set master
 (EE) 
 Fatal server error:
(EE) AddScreen/ScreenInit failed for driver 0
(EE) 
(EE) 
 Please consult the The X.Org Foundation support 
 at http://wiki.x.org
 for help. 
(EE) Please also check the log file at "/tmp/Xorg.crouton.1.log" for 
 additional information.
(EE) 
Error org.freedesktop.DBus.Error.UnknownMethod: Method 
"TakeDisplayOwnership" with signature "" on interface 
"org.chromium.LibCrosServiceInterface" doesn't exist

(EE) Server terminated with error (1). Closing log file.
 /usr/bin/xinit: giving up
/usr/bin/xinit: unable to connect to X server: Connection refused
/usr/bin/xinit: server error

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