Its just ubuntu-mate-core from tasksel
Which is lightdm
[+0.01s] DEBUG: Starting Light Display Manager 1.26.0, UID=0 PID=584
[+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-disable-guest.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-disable-log-backup.conf
[+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-slick-greeter.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-ubuntu-mate.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.01s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/90-nvidia.conf
[+0.01s] DEBUG: [SeatDefaults] is now called [Seat:*], please update this configuration
[+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
[+0.01s] DEBUG: Registered seat module local
[+0.01s] DEBUG: Registered seat module xremote
[+0.01s] DEBUG: Registered seat module unity
[+0.01s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.02s] DEBUG: Monitoring logind for seats
[+0.02s] DEBUG: New seat added from logind: seat0
[+0.02s] WARNING: Seat type 'xlocal' is deprecated, use 'type=local' instead
[+0.02s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.02s] DEBUG: Seat seat0: Starting
[+0.02s] DEBUG: Seat seat0: Creating greeter session
[+0.03s] DEBUG: Seat seat0: Creating display server of type x
[+0.03s] DEBUG: Using VT 7
[+0.03s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.03s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+0.04s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+0.04s] DEBUG: XServer 0: Launching X Server
[+0.07s] DEBUG: Launching process 597: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.07s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+0.07s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.07s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.08s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.08s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+3.66s] DEBUG: Got signal 10 from process 597
[+3.66s] DEBUG: XServer 0: Got signal from X server :0
[+3.66s] DEBUG: XServer 0: Connecting to XServer :0
[+3.73s] DEBUG: Launching process 629: /sbin/prime-offload
[+3.75s] DEBUG: Process 629 exited with return value 0
[+3.75s] DEBUG: Seat seat0: Exit status of /sbin/prime-offload: 0
[+3.76s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+3.76s] DEBUG: Session pid=633: Started with service 'lightdm-greeter', username 'lightdm'
[+3.90s] DEBUG: Session pid=633: Authentication complete with return value 0: Success
[+3.90s] DEBUG: Seat seat0: Session authenticated, running command
[+3.90s] DEBUG: Session pid=633: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/slick-greeter
[+3.90s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+3.90s] DEBUG: Session pid=633: Logging to /var/log/lightdm/seat0-greeter.log
[+4.48s] DEBUG: Activating VT 7
[+4.48s] DEBUG: Activating login1 session c1
[+4.48s] DEBUG: Seat seat0 changes active session to c1
[+4.48s] DEBUG: Session c1 is already active
[+7.11s] DEBUG: Greeter connected version=1.26.0 api=1 resettable=false
[+8.25s] DEBUG: Greeter start authentication for rock
[+8.26s] DEBUG: Session pid=831: Started with service 'lightdm', username 'rock'
[+8.29s] DEBUG: Session pid=831: Got 1 message(s) from PAM
[+8.29s] DEBUG: Prompt greeter with 1 message(s)
[+14.84s] DEBUG: Continue authentication
[+14.91s] DEBUG: Session pid=831: Authentication complete with return value 0: Success
[+14.91s] DEBUG: Authenticate result for user rock: Success
[+14.91s] DEBUG: User rock authorized
[+15.16s] DEBUG: Greeter requests session mate
[+15.20s] DEBUG: Writing /home/rock/.dmrc
[+15.20s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+15.20s] DEBUG: Terminating login1 session c1
[+15.22s] DEBUG: Session pid=633: Sending SIGTERM
[+15.26s] DEBUG: Session pid=633: Exited with return value 0
[+15.26s] DEBUG: Seat seat0: Session stopped
[+15.26s] DEBUG: Seat seat0: Greeter stopped, running session
[+15.26s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+15.27s] DEBUG: Session pid=831: Running command /usr/sbin/lightdm-session mate-session
[+15.27s] DEBUG: Creating shared data directory /var/lib/lightdm-data/rock
[+15.27s] DEBUG: Session pid=831: Logging to .xsession-errors
[+15.53s] DEBUG: Activating VT 7
[+15.53s] DEBUG: Activating login1 session c2
[+15.53s] DEBUG: Seat seat0 changes active session to c2
[+15.53s] DEBUG: Session c2 is already active
[+20.21s] DEBUG: Session pid=831: Exited with return value 1
[+20.21s] DEBUG: Seat seat0: Session stopped
[+20.21s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+20.21s] DEBUG: Sending signal 15 to process 597
[+20.78s] DEBUG: Process 597 exited with return value 0
[+20.78s] DEBUG: XServer 0: X server stopped
[+20.78s] DEBUG: Releasing VT 7
[+20.78s] DEBUG: XServer 0: Removing X server authority /var/run/lightdm/root/:0
[+20.78s] DEBUG: Seat seat0: Display server stopped
[+20.78s] DEBUG: Launching process 1366: /sbin/prime-switch
[+20.80s] DEBUG: Process 1366 exited with return value 0
[+20.80s] DEBUG: Seat seat0: Exit status of /sbin/prime-switch: 0
[+20.80s] DEBUG: Seat seat0: Active display server stopped, starting greeter
[+20.80s] DEBUG: Seat seat0: Creating greeter session
[+20.80s] DEBUG: Seat seat0: Creating display server of type x
[+20.80s] DEBUG: Using VT 7
[+20.80s] DEBUG: Seat seat0: Starting local X display on VT 7
[+20.80s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+20.80s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+20.80s] DEBUG: XServer 0: Launching X Server
[+20.80s] DEBUG: Launching process 1369: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+20.80s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+21.67s] DEBUG: Got signal 10 from process 1369
[+21.67s] DEBUG: XServer 0: Got signal from X server :0
[+21.67s] DEBUG: XServer 0: Connecting to XServer :0
[+21.76s] DEBUG: Launching process 1387: /sbin/prime-offload
[+21.77s] DEBUG: Process 1387 exited with return value 0
[+21.78s] DEBUG: Seat seat0: Exit status of /sbin/prime-offload: 0
[+21.78s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+21.78s] DEBUG: Session pid=1392: Started with service 'lightdm-greeter', username 'lightdm'
[+21.87s] DEBUG: Session pid=1392: Authentication complete with return value 0: Success
[+21.87s] DEBUG: Seat seat0: Session authenticated, running command
[+21.87s] DEBUG: Session pid=1392: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/slick-greeter
[+21.87s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+21.87s] DEBUG: Session pid=1392: Logging to /var/log/lightdm/seat0-greeter.log
[+22.17s] DEBUG: Activating VT 7
[+22.17s] DEBUG: Activating login1 session c3
[+22.17s] DEBUG: Seat seat0 changes active session to c3
[+22.17s] DEBUG: Session c3 is already active
[+23.35s] DEBUG: Greeter connected version=1.26.0 api=1 resettable=false
[+23.62s] DEBUG: Greeter start authentication for rock
[+23.62s] DEBUG: Session pid=1465: Started with service 'lightdm', username 'rock'
[+23.66s] DEBUG: Session pid=1465: Got 1 message(s) from PAM
[+23.66s] DEBUG: Prompt greeter with 1 message(s)
[+27.51s] DEBUG: Continue authentication
[+27.59s] DEBUG: Session pid=1465: Authentication complete with return value 0: Success
[+27.59s] DEBUG: Authenticate result for user rock: Success
[+27.59s] DEBUG: User rock authorized
[+27.66s] DEBUG: Greeter requests session mate
[+27.66s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+27.66s] DEBUG: Terminating login1 session c3
[+27.68s] DEBUG: Session pid=1392: Sending SIGTERM
[+27.69s] DEBUG: Session pid=1392: Exited with return value 0
[+27.69s] DEBUG: Seat seat0: Session stopped
[+27.69s] DEBUG: Seat seat0: Greeter stopped, running session
[+27.69s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1
[+27.70s] DEBUG: Session pid=1465: Running command /usr/sbin/lightdm-session mate-session
[+27.70s] DEBUG: Creating shared data directory /var/lib/lightdm-data/rock
[+27.70s] DEBUG: Session pid=1465: Logging to .xsession-errors
[+27.79s] DEBUG: Activating VT 7
[+27.79s] DEBUG: Activating login1 session c4
[+27.80s] DEBUG: Seat seat0 changes active session to c4
[+27.80s] DEBUG: Session c4 is already active
[+36.56s] DEBUG: User /org/freedesktop/Accounts/User0 added```
```[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for background to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for background-color to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for logo to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for other-monitors-logo to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for theme-name to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for icon-theme-name to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for font-name to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for play-ready-sound to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for xft-hintstyle to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for xft-rgba to default
[+0.02s] DEBUG: settings.vala:164: Resetting dconf setting for enable-hidpi to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for draw-user-backgrounds to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for draw-grid to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for show-hostname to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for show-power to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for show-a11y to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for show-clock to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for show-keyboard to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for show-quit to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for xft-antialias to default
[+0.02s] DEBUG: settings.vala:182: Resetting dconf setting for activate-numlock to default
[+0.02s] DEBUG: settings.vala:200: Resetting dconf setting for xft-dpi to default
[+0.02s] DEBUG: settings.vala:218: Resetting dconf setting for hidden-users to default
[+0.02s] DEBUG: settings.vala:218: Resetting dconf setting for group-filter to default
[+0.02s] DEBUG: slick-greeter.vala:574: HiDPI support: auto
[+1.31s] DEBUG: slick-greeter.vala:606: Launched at-spi-bus-launcher. PID: 680
[+1.50s] DEBUG: slick-greeter.vala:615: Starting slick-greeter 1.1.4 UID=113 LANG=(null)
[+1.50s] DEBUG: slick-greeter.vala:618: Setting cursor
dbus-daemon[685]: Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=113 pid=654 comm="/usr/sbin/slick-greeter ")
[+1.54s] DEBUG: slick-greeter.vala:632: Loading command line options
[+1.54s] DEBUG: slick-greeter.vala:659: Setting GTK+ settings
dbus-daemon[685]: Successfully activated service 'org.a11y.atspi.Registry'
[+2.14s] DEBUG: slick-greeter.vala:682: Creating Slick Greeter
[+2.14s] DEBUG: slick-greeter.vala:55: Creating background surface
[+2.16s] DEBUG: Connecting to display manager...
[+2.16s] DEBUG: Wrote 26 bytes to daemon
[+2.16s] DEBUG: Read 8 bytes from daemon
[+2.16s] DEBUG: Read 157 bytes from daemon
[+2.16s] DEBUG: Connected api=1 version=1.26.0 default-session=mate show-manual-login=false hide-users=false has-guest-account=false show-remote-login=true
No protocol specified
[+2.82s] DEBUG: Loading users from org.freedesktop.Accounts
[+2.82s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+2.85s] DEBUG: user-list.vala:1032: Adding/updating user rock (ROCK Pi)
[+2.86s] DEBUG: Loading sessions from org.freedesktop.DisplayManager
[+2.88s] DEBUG: slick-greeter.vala:216: Using default session: 'mate'
[+2.88s] DEBUG: main-window.vala:227: Monitor 0 is 1920x1080 pixels at 0,0
[+2.88s] DEBUG: main-window.vala:227: Monitor 1 is 800x480 pixels at 0,0
[+2.88s] DEBUG: main-window.vala:249: MainWindow is 1920x1080 pixels
[+2.88s] DEBUG: slick-greeter.vala:685: Showing greeter
[+2.88s] DEBUG: slick-greeter.vala:293: Showing main window
[+3.29s] DEBUG: background.vala:68: Making background #3C3B37 at 800x480
[+3.29s] DEBUG: background.vala:79: Render of background #3C3B37 complete
[+3.30s] DEBUG: Loaded session /usr/share/xsessions/mate.desktop (MATE, This session logs you into MATE)
[+3.30s] DEBUG: Starting authentication for user rock...
[+3.30s] DEBUG: Wrote 20 bytes to daemon
[+3.31s] DEBUG: slick-greeter.vala:695: Starting main loop
[+3.32s] DEBUG: background.vala:567: Regenerating backgrounds
[+3.32s] DEBUG: background.vala:68: Making background #3C3B37 at 800x480
[+3.32s] DEBUG: background.vala:79: Render of background #3C3B37 complete
[+3.32s] DEBUG: background.vala:567: Regenerating backgrounds
[+3.32s] DEBUG: background.vala:68: Making background #3C3B37 at 800x480
[+3.32s] DEBUG: background.vala:79: Render of background #3C3B37 complete
[+3.36s] DEBUG: Read 8 bytes from daemon
[+3.36s] DEBUG: Read 34 bytes from daemon
[+3.36s] DEBUG: Prompt user with 1 message(s)
[+4.15s] DEBUG: slick-greeter.vala:281: starting system-ready sound
[+4.15s] DEBUG: background.vala:68: Making background /usr/share/backgrounds/ubuntu-mate-common/Green-Wall-Logo.png at 800x480
[+4.33s] DEBUG: user-list.vala:1032: Adding/updating user rock (ROCK Pi)
[+4.33s] DEBUG: slick-greeter.vala:216: Using default session: 'mate'
[+4.53s] DEBUG: background.vala:121: Render of background /usr/share/backgrounds/ubuntu-mate-common/Green-Wall-Logo.png complete
[+9.89s] DEBUG: Providing response to display manager
[+9.89s] DEBUG: Wrote 20 bytes to daemon
[+10.21s] DEBUG: Read 8 bytes from daemon
[+10.21s] DEBUG: Read 16 bytes from daemon
[+10.21s] DEBUG: Authentication complete for user rock with return code 0
[+10.21s] DEBUG: main-window.vala:203: Killing orca and onboard
[+10.21s] DEBUG: Starting session mate
[+10.21s] DEBUG: Wrote 16 bytes to daemon
[+10.27s] DEBUG: Read 8 bytes from daemon
[+10.27s] DEBUG: Read 4 bytes from daemon
[+10.27s] DEBUG: slick-greeter.vala:690: Got a SIGTERM
[+10.32s] DEBUG: user-list.vala:1032: Adding/updating user rock (ROCK Pi)
[+10.32s] DEBUG: slick-greeter.vala:698: Cleaning up
[+10.32s] DEBUG: slick-greeter.vala:706: AT-SPI exited with return value 0
[+10.32s] DEBUG: slick-greeter.vala:723: Exiting
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for background to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for background-color to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for logo to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for other-monitors-logo to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for theme-name to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for icon-theme-name to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for font-name to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for play-ready-sound to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for xft-hintstyle to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for xft-rgba to default
[+0.00s] DEBUG: settings.vala:164: Resetting dconf setting for enable-hidpi to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for draw-user-backgrounds to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for draw-grid to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for show-hostname to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for show-power to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for show-a11y to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for show-clock to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for show-keyboard to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for show-quit to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for xft-antialias to default
[+0.00s] DEBUG: settings.vala:182: Resetting dconf setting for activate-numlock to default
[+0.00s] DEBUG: settings.vala:200: Resetting dconf setting for xft-dpi to default
[+0.00s] DEBUG: settings.vala:218: Resetting dconf setting for hidden-users to default
[+0.00s] DEBUG: settings.vala:218: Resetting dconf setting for group-filter to default
[+0.00s] DEBUG: slick-greeter.vala:574: HiDPI support: auto
[+0.84s] DEBUG: slick-greeter.vala:606: Launched at-spi-bus-launcher. PID: 1436
[+0.89s] DEBUG: slick-greeter.vala:615: Starting slick-greeter 1.1.4 UID=113 LANG=(null)
dbus-daemon[1441]: [+0.89s] DEBUG: slick-greeter.vala:618: Setting cursor
Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=113 pid=1413 comm="/usr/sbin/slick-greeter ")
[+0.90s] DEBUG: slick-greeter.vala:632: Loading command line options
[+0.90s] DEBUG: slick-greeter.vala:659: Setting GTK+ settings
dbus-daemon[1441]: Successfully activated service 'org.a11y.atspi.Registry'
[+1.10s] DEBUG: slick-greeter.vala:682: Creating Slick Greeter
[+1.10s] DEBUG: slick-greeter.vala:55: Creating background surface
[+1.10s] DEBUG: Connecting to display manager...
[+1.10s] DEBUG: Wrote 26 bytes to daemon
[+1.10s] DEBUG: Read 8 bytes from daemon
[+1.10s] DEBUG: Read 157 bytes from daemon
[+1.10s] DEBUG: Connected api=1 version=1.26.0 default-session=mate show-manual-login=false hide-users=false has-guest-account=false show-remote-login=true
[+1.31s] DEBUG: Loading users from org.freedesktop.Accounts
[+1.31s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+1.32s] DEBUG: user-list.vala:1032: Adding/updating user rock (ROCK Pi)
[+1.32s] DEBUG: Loading sessions from org.freedesktop.DisplayManager
[+1.32s] DEBUG: main-window.vala:227: Monitor 0 is 1920x1080 pixels at 0,0
[+1.32s] DEBUG: main-window.vala:227: Monitor 1 is 800x480 pixels at 0,0
[+1.32s] DEBUG: main-window.vala:249: MainWindow is 1920x1080 pixels
[+1.33s] DEBUG: slick-greeter.vala:685: Showing greeter
[+1.33s] DEBUG: slick-greeter.vala:293: Showing main window
[+1.36s] DEBUG: background.vala:68: Making background #3C3B37 at 800x480
[+1.36s] DEBUG: background.vala:79: Render of background #3C3B37 complete
[+1.38s] DEBUG: Loaded session /usr/share/xsessions/mate.desktop (MATE, This session logs you into MATE)
[+1.38s] DEBUG: Starting authentication for user rock...
[+1.38s] DEBUG: Wrote 20 bytes to daemon
[+1.38s] DEBUG: slick-greeter.vala:695: Starting main loop
[+1.39s] DEBUG: background.vala:567: Regenerating backgrounds
[+1.39s] DEBUG: background.vala:68: Making background #3C3B37 at 800x480
[+1.39s] DEBUG: background.vala:79: Render of background #3C3B37 complete
[+1.39s] DEBUG: background.vala:567: Regenerating backgrounds
[+1.39s] DEBUG: background.vala:68: Making background #3C3B37 at 800x480
[+1.39s] DEBUG: background.vala:79: Render of background #3C3B37 complete
[+1.44s] DEBUG: Read 8 bytes from daemon
[+1.44s] DEBUG: Read 34 bytes from daemon
[+1.44s] DEBUG: Prompt user with 1 message(s)
[+2.11s] DEBUG: slick-greeter.vala:281: starting system-ready sound
[+2.11s] DEBUG: background.vala:68: Making background /usr/share/backgrounds/ubuntu-mate-common/Green-Wall-Logo.png at 800x480
[+2.37s] DEBUG: background.vala:121: Render of background /usr/share/backgrounds/ubuntu-mate-common/Green-Wall-Logo.png complete
[+5.27s] DEBUG: Providing response to display manager
[+5.27s] DEBUG: Wrote 20 bytes to daemon
[+5.41s] DEBUG: Read 8 bytes from daemon
[+5.41s] DEBUG: Read 16 bytes from daemon
[+5.41s] DEBUG: Authentication complete for user rock with return code 0
[+5.42s] DEBUG: main-window.vala:203: Killing orca and onboard
[+5.42s] DEBUG: Starting session mate
[+5.42s] DEBUG: Wrote 16 bytes to daemon
[+5.44s] DEBUG: Read 8 bytes from daemon
[+5.44s] DEBUG: Read 4 bytes from daemon
[+5.44s] DEBUG: slick-greeter.vala:690: Got a SIGTERM
[+5.44s] DEBUG: slick-greeter.vala:698: Cleaning up
[+5.44s] DEBUG: slick-greeter.vala:706: AT-SPI exited with return value 0
[+5.44s] DEBUG: slick-greeter.vala:723: Exiting```
```X.Org X Server 1.19.6
Release Date: 2017-12-20
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-138-generic aarch64 Ubuntu
Current Operating System: Linux localhost.localdomain 4.4.154-59-rockchip-g5e70f14 #4 SMP Fri Dec 14 20:55:41 CST 2018 aarch64
Kernel command line: earlyprintk console=ttyFIQ0,1500000n8 rw init=/sbin/init root=PARTUUID=b921b045-1d rootwait rootfstype=ext4
Build Date: 25 October 2018 04:10:37PM
xorg-server 2:1.19.6-1ubuntu4.2 (For technical support please see http://www.ubuntu.com/support)
Current version of pixman: 0.34.0
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Thu Jun 6 15:45:49 2019
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
gbm: failed to open any driver (search paths /usr/lib/aarch64-linux-gnu/dri:${ORIGIN}/dri:/usr/lib/dri)
gbm: Last dlopen error: /usr/lib/dri/rockchip_dri.so: cannot open shared object file: No such file or directory
failed to load driver: rockchip
EGL_MESA_drm_image required.
(II) Server terminated successfully (0). Closing log file.
X.Org X Server 1.19.6
Release Date: 2017-12-20
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.4.0-138-generic aarch64 Ubuntu
Current Operating System: Linux linux 4.4.154-59-rockchip-g5e70f14 #4 SMP Fri Dec 14 20:55:41 CST 2018 aarch64
Kernel command line: earlyprintk console=ttyFIQ0,1500000n8 rw init=/sbin/init root=PARTUUID=b921b045-1d rootwait rootfstype=ext4
Build Date: 25 October 2018 04:10:37PM
xorg-server 2:1.19.6-1ubuntu4.2 (For technical support please see http://www.ubuntu.com/support)
Current version of pixman: 0.34.0
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Thu Jun 6 15:46:09 2019
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
gbm: failed to open any driver (search paths /usr/lib/aarch64-linux-gnu/dri:${ORIGIN}/dri:/usr/lib/dri)
gbm: Last dlopen error: /usr/lib/dri/rockchip_dri.so: cannot open shared object file: No such file or directory
failed to load driver: rockchip
EGL_MESA_drm_image required.```