[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.22.0, UID=0 PID=7428
[+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Registered seat module local
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Registered seat module unity
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.03s] DEBUG: Monitoring logind for seats
[+0.03s] DEBUG: New seat added from logind: seat0
[+0.03s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.03s] DEBUG: Seat seat0: Starting
[+0.03s] DEBUG: Seat seat0: Creating greeter session
[+0.03s] DEBUG: Seat seat0: Failed to find session configuration deepin-session-ui
[+0.03s] DEBUG: Seat seat0: Failed to create greeter session
[+0.03s] DEBUG: Failed to start seat: seat0