小弟我之前用ubuntu 12.04 版 最近升級至 ubuntu 14.04
在之前我用12.04版時重啟 x window 指令 sudo /etc/init.d/lightdm restart
但至從升級 14.04 版時 卻無法重啟 （但是開機時x window確有開啟）
設備方面 顯卡 ati 5670
卻不知是啥問題 望有大大可以解我疑惑 感謝
cat /var/log/Xorg.0.log
[ 982.986] _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
[ 982.986] _XSERVTransMakeAllCOTSServerListeners: server already running
[ 982.986] (EE)
Fatal server error:
[ 982.986] (EE) Cannot establish any listening sockets - Make sure an X server isn't already running(EE)
[ 982.986] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 982.986] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 982.986] (EE)
[ 982.986] (EE) Server terminated with error (1). Closing log file.

cat /var/log/lightdm/lightdm.log
[+0.01s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.01s] DEBUG: Starting Light Display Manager 1.10.5, UID=0 PID=1498
[+0.01s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-greeter-wrapper.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-guest-wrapper.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.01s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d
[+0.01s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d
[+0.01s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/90-fglrx.conf
[+0.01s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.01s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.01s] DEBUG: Registered seat module xlocal
[+0.01s] DEBUG: Registered seat module xremote
[+0.01s] DEBUG: Registered seat module unity
[+0.01s] DEBUG: Registered seat module surfaceflinger
[+0.02s] DEBUG: Adding default seat
[+0.02s] DEBUG: Seat: Starting
[+0.02s] DEBUG: Seat: Creating user session
[+0.20s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.20s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.30s] DEBUG: Seat: Creating display server of type x
[+0.31s] DEBUG: Deactivating Plymouth
[+0.33s] DEBUG: Using VT 7
[+0.33s] DEBUG: Seat: Starting local X display on VT 7
[+0.33s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.33s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.33s] DEBUG: DisplayServer x-0: Launching X Server
[+0.33s] DEBUG: Launching process 1525: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.33s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.33s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.33s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.88s] DEBUG: Got signal 10 from process 1525
[+0.88s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+0.88s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+0.88s] DEBUG: Quitting Plymouth; retaining splash
[+0.91s] DEBUG: Seat: Display server ready, starting session authentication
[+0.91s] DEBUG: Session pid=1537: Started with service 'lightdm-autologin', username 'zoombies'
[+1.14s] DEBUG: Session pid=1537: Authentication complete with return value 0: Success
[+1.14s] DEBUG: Seat: Session authenticated, running command
[+1.14s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+1.14s] DEBUG: Session pid=1537: Running command /usr/sbin/lightdm-session gnome-session --session=gnome
[+1.14s] DEBUG: Creating shared data directory /var/lib/lightdm-data/zoombies
[+1.14s] DEBUG: Session pid=1537: Logging to .xsession-errors
[+1.17s] DEBUG: Activating VT 7
[+1.17s] DEBUG: Activating login1 session c1
[+2.66s] DEBUG: User /org/freedesktop/Accounts/User1000 changed
[+17.60s] DEBUG: User /org/freedesktop/Accounts/User1000 changed
[+643.42s] DEBUG: User /org/freedesktop/Accounts/User1000 changed
[+647.28s] DEBUG: User /org/freedesktop/Accounts/User1000 changed