Bonjour,
J’ai un écran noir au démarrage de LightDM.
/var/log/lightdm/lightdm.log contient :
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.0.11, UID=0 PID=1942
[+0.00s] DEBUG: Loaded configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Registered seat module xlocal
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Adding default seat
[+0.00s] DEBUG: Starting seat
[+0.00s] DEBUG: Starting new display for greeter
[+0.00s] DEBUG: Starting local X display
[+0.00s] DEBUG: Could not run plymouth --ping: Failed to execute child process "plymouth" (No such file or directory)
[+0.00s] DEBUG: Using VT 7
[+0.00s] DEBUG: Activating VT 7
[+0.00s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+0.00s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+0.00s] DEBUG: Launching X Server
[+0.00s] DEBUG: Launching process 1972: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.00s] DEBUG: Waiting for ready signal from X server :0
[+0.00s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.01s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+2.45s] DEBUG: Got signal 10 from process 1972
[+2.45s] DEBUG: Got signal from X server :0
[+2.45s] DEBUG: Connecting to XServer :0
[+2.45s] DEBUG: Starting greeter session
[+2.45s] DEBUG: org.freedesktop.Accounts does not exist, falling back to passwd file
[+2.73s] DEBUG: pam_start("lightdm", "lightdm") -> (0xf8c36510, 0)
[+2.73s] DEBUG: Starting session lightdm-greeter as user lightdm
[+2.79s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log
[+2.79s] DEBUG: Launching session
[+2.79s] DEBUG: pam_set_item(0xf8c36510, 3, ":0") -> 0 (Success)
[+2.91s] DEBUG: pam_open_session(0xf8c36510, 0) -> 0 (Success)
[+3.62s] DEBUG: Opened ConsoleKit session 564700ea6a2179cb01a6258200000a23-1335093400.618118-1616994634
[+3.62s] DEBUG: Dropping privileges to uid 106
[+3.62s] DEBUG: Adding session authority to /var/lib/lightdm/.Xauthority
[+3.62s] DEBUG: Restoring privileges
[+3.62s] WARNING: Failed to write authority: Error opening file '/var/lib/lightdm/.Xauthority': No such file or directory
[+3.62s] DEBUG: Failed to start greeter
[+3.62s] DEBUG: Failed to start greeter
[+3.62s] DEBUG: Stopping display
[+3.62s] DEBUG: Sending signal 15 to process 1972
[+3.62s] DEBUG: Dropping privileges to uid 106
[+3.62s] DEBUG: Removing session authority from /var/lib/lightdm/.Xauthority
[+3.62s] DEBUG: Restoring privileges
[+3.62s] DEBUG: Greeter closed communication channel
[+3.88s] DEBUG: Process 1972 exited with return value 0
[+3.88s] DEBUG: X server stopped
[+3.88s] DEBUG: Removing X server authority /var/run/lightdm/root/:0
[+3.88s] DEBUG: Releasing VT 7
[+3.88s] DEBUG: Display server stopped
[+3.88s] DEBUG: Display stopped
[+3.88s] DEBUG: Stopping X local seat, failed to start a display
[+3.88s] DEBUG: Stopping seat
[+3.88s] DEBUG: Seat stopped
[+3.88s] DEBUG: Required seat has stopped
[+3.88s] DEBUG: Stopping display manager
[+3.88s] DEBUG: Display manager stopped
[+3.88s] DEBUG: Stopping daemon
[+3.88s] DEBUG: Exiting with return value 1