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Hi,
I was trying to get the ubuntu lightdm login screen for my arch installation. So I installed the lightdm-unity-greeter package from Unity-For-Arch. However, when I run
lightdm --test-mode --debug
it gives the following log
[+0.00s] DEBUG: Logging to /home/hashinclude/.cache/lightdm/log/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.13.1, UID=1000 PID=6015
[+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf
[+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.d/50-greeter-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-guest-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Running in user mode
[+0.00s] DEBUG: Using Xephyr for X servers
[+0.00s] DEBUG: Registered seat module xlocal
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Registered seat module unity
[+0.02s] DEBUG: Monitoring logind for seats
[+0.02s] DEBUG: New seat added from logind: seat0
[+0.02s] DEBUG: Loading properties from config section SeatDefaults
[+0.02s] DEBUG: Seat seat0: Starting
[+0.02s] DEBUG: Seat seat0: Creating greeter session
[+0.02s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.02s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.03s] DEBUG: User /org/freedesktop/Accounts/User1001 added
[+0.03s] DEBUG: Seat seat0: Creating display server of type x
[+0.03s] DEBUG: Could not run plymouth --ping: Failed to execute child process "plymouth" (No such file or directory)
[+0.03s] DEBUG: Seat seat0: Starting local X display
[+0.03s] DEBUG: DisplayServer x-1: Logging to /home/hashinclude/.cache/lightdm/log/x-1.log
[+0.03s] DEBUG: DisplayServer x-1: Writing X server authority to /home/hashinclude/.cache/lightdm/run/root/:1
[+0.11s] DEBUG: DisplayServer x-1: Launching X Server
[+0.11s] DEBUG: Launching process 6019: /usr/bin/Xephyr :1 -seat seat0 -auth /home/hashinclude/.cache/lightdm/run/root/:1 -nolisten tcp
[+0.11s] DEBUG: DisplayServer x-1: Waiting for ready signal from X server :1
[+0.11s] WARNING: Could not enumerate user data directory /var/lib/lightdm-data: No such file or directory
[+0.11s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.11s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.32s] DEBUG: Got signal 10 from process 6019
[+0.32s] DEBUG: DisplayServer x-1: Got signal from X server :1
[+0.32s] DEBUG: DisplayServer x-1: Connecting to XServer :1
[+0.32s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+0.32s] DEBUG: Session: Not setting XDG_VTNR
[+0.32s] DEBUG: Session pid=6027: Started with service 'lightdm-greeter', username 'hashinclude'
[+0.34s] DEBUG: Session pid=6027: Authentication complete with return value 0: Success
[+0.34s] DEBUG: Seat seat0: Session authenticated, running command
[+0.34s] DEBUG: Session pid=6027: Not setting XDG_VTNR
[+0.34s] DEBUG: Session pid=6027: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/bin/unity-greeter
[+0.34s] DEBUG: Creating shared data directory /var/lib/lightdm-data/hashinclude
[+0.34s] WARNING: Could not create user data directory /var/lib/lightdm-data/hashinclude: Error creating directory: No such file or directory
[+0.34s] DEBUG: Session pid=6027: Logging to /home/hashinclude/.cache/lightdm/log/x-1-greeter.log
[+0.74s] DEBUG: Session pid=6027: Greeter connected version=1.13.1 resettable=false
[+0.97s] DEBUG: Session pid=6027: Exited with return value 0
[+0.97s] DEBUG: Seat seat0: Session stopped
[+0.97s] DEBUG: Seat seat0: Stopping; failed to start a greeter
[+0.97s] DEBUG: Seat seat0: Stopping
[+0.97s] DEBUG: Seat seat0: Stopping display server
[+0.97s] DEBUG: Sending signal 15 to process 6019
[+0.98s] DEBUG: Process 6019 exited with return value 0
[+0.98s] DEBUG: DisplayServer x-1: X server stopped
[+0.98s] DEBUG: DisplayServer x-1: Removing X server authority /home/hashinclude/.cache/lightdm/run/root/:1
[+0.98s] DEBUG: Seat seat0: Display server stopped
[+0.98s] DEBUG: Seat seat0: Stopped
[+0.98s] DEBUG: Required seat has stopped
[+0.98s] DEBUG: Stopping display manager
[+0.98s] DEBUG: Display manager stopped
[+0.98s] DEBUG: Stopping daemon
[+0.98s] DEBUG: Exiting with return value 1
and the greeter log shows the following
** (process:6027): WARNING **: Failed to open CK session: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.ConsoleKit was not provided by any .service files
Activating service name='org.a11y.atspi.Registry'
[+0.00s] DEBUG: unity-greeter.vala:496: Starting unity-greeter 15.04.2 UID=1000 LANG=en_US.UTF-8
[+0.00s] DEBUG: unity-greeter.vala:499: Setting cursor
[+0.00s] DEBUG: unity-greeter.vala:513: Loading command line options
[+0.00s] DEBUG: unity-greeter.vala:541: Setting GTK+ settings
Successfully activated service 'org.a11y.atspi.Registry'
[+0.15s] DEBUG: unity-greeter.vala:564: Creating Unity Greeter
[+0.15s] DEBUG: unity-greeter.vala:57: Creating background surface
[+0.15s] DEBUG: Connecting to display manager...
[+0.15s] DEBUG: Wrote 22 bytes to daemon
[+0.15s] DEBUG: Read 8 bytes from daemon
[+0.15s] DEBUG: Read 150 bytes from daemon
[+0.15s] DEBUG: Connected version=1.13.1 default-session=ubuntu show-manual-login=false hide-users=false has-guest-account=true show-remote-login=true
[+0.20s] DEBUG: menubar.vala:335: LANG=en_US.UTF-8 LANGUAGE=(null)
/usr/bin/unity-greeter: symbol lookup error: /usr/bin/unity-greeter: undefined symbol: indicator_ng_new_for_profile
g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
When I replace the greeter with lightdm-gtk-greeter, it works fine. Can someone please help me with this issue.
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