# lightdm --test-mode --debug
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.8.4, UID=1000 PID=2550
[+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
[+0.00s] DEBUG: Registered seat module surfaceflinger
[+0.00s] DEBUG: Adding default seat
[+0.00s] DEBUG: Seat: Starting
[+0.00s] DEBUG: Seat: Creating greeter session
[+0.00s] DEBUG: Seat: Setting XDG_SEAT=seat0
[+0.01s] DEBUG: org.freedesktop.Accounts does not exist, falling back to passwd file
[+0.01s] DEBUG: Seat: Creating display server of type x
[+0.01s] DEBUG: Seat: Starting local X display
[+0.01s] DEBUG: Could not run plymouth --ping: Failed to execute child process "plymouth" (No such file or directory)
[+0.01s] DEBUG: DisplayServer x-1: Logging to /var/log/lightdm/x-1.log
[+0.01s] DEBUG: DisplayServer x-1: Writing X server authority to /run/lightdm/root/:1
[+0.01s] WARNING: Error reading existing Xauthority: Failed to open file '/run/lightdm/root/:1': Permission denied
[+0.01s] WARNING: DisplayServer x-1: Failed to write authority: Failed to open X authority /run/lightdm/root/:1: Permission denied
[+0.01s] DEBUG: DisplayServer x-1: Launching X Server
[+0.01s] DEBUG: Launching process 2554: /usr/bin/Xephyr :1 -auth /run/lightdm/root/:1 -nolisten tcp
[+0.01s] DEBUG: DisplayServer x-1: Waiting for ready signal from X server :1
[+0.01s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.01s] WARNING: DisplayServer x-1: Failed to open log file /var/log/lightdm/x-1.log: Permission denied
[+0.01s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
Initializing built-in extension Generic Event Extension
Initializing built-in extension SHAPE
Initializing built-in extension MIT-SHM
Initializing built-in extension XInputExtension
Initializing built-in extension XTEST
Initializing built-in extension BIG-REQUESTS
Initializing built-in extension SYNC
Initializing built-in extension XKEYBOARD
Initializing built-in extension XC-MISC
Initializing built-in extension SECURITY
Initializing built-in extension XINERAMA
Initializing built-in extension XFIXES
Initializing built-in extension RENDER
Initializing built-in extension RANDR
Initializing built-in extension COMPOSITE
Initializing built-in extension DAMAGE
Initializing built-in extension MIT-SCREEN-SAVER
Initializing built-in extension DOUBLE-BUFFER
Initializing built-in extension RECORD
Initializing built-in extension DPMS
Initializing built-in extension X-Resource
Initializing built-in extension XVideo
Initializing built-in extension XVideo-MotionCompensation
Initializing built-in extension GLX
[dix] Could not init font path element /usr/share/fonts/OTF/, removing from list!
[+0.11s] DEBUG: Got signal 10 from process 2554
[+0.11s] DEBUG: DisplayServer x-1: Got signal from X server :1
[+0.11s] DEBUG: DisplayServer x-1: Connecting to XServer :1
[+0.11s] DEBUG: Seat: Display server ready, starting session authentication
[+0.11s] DEBUG: Session: Not setting XDG_VTNR
[+0.11s] DEBUG: Session pid=2559: Started with service 'lightdm-greeter', username 'saronno'
[+0.11s] DEBUG: Session pid=2559: Authentication complete with return value 0: Success
[+0.11s] DEBUG: Seat: Session authenticated, running command
[+0.11s] DEBUG: Session pid=2559: Not setting XDG_VTNR
[+0.11s] DEBUG: Session pid=2559: Running command /usr/bin/lightdm-pantheon-greeter
[+0.11s] DEBUG: Session pid=2559: Logging to /var/log/lightdm/x-1-greeter.log

(lightdm-pantheon-greeter:2561): libindicator-WARNING **: File '/usr/lib/indicators3/7/libpower.so' does not exist.

(lightdm-pantheon-greeter:2561): libindicator-WARNING **: File '/usr/lib/indicators3/7/libsoundmenu.so' does not exist.

** (lightdm-pantheon-greeter:2561): CRITICAL **: lightdm_user_get_real_name: assertion 'LIGHTDM_IS_USER (user)' failed
[+0.26s] DEBUG: Session pid=2559: Greeter connected version=1.8.4

(lightdm-pantheon-greeter:2561): GdkPixbuf-CRITICAL **: gdk_pixbuf_new_from_file_at_scale: assertion 'filename != NULL' failed

** (lightdm-pantheon-greeter:2561): WARNING **: Failed to open sessions directory: Error opening directory '/usr/share/lightdm/sessions': No such file or directory

** (lightdm-pantheon-greeter:2561): WARNING **: Failed to open sessions directory: Error opening directory '/usr/share/lightdm/remote-sessions': No such file or directory

** (lightdm-pantheon-greeter:2561): WARNING **: Wallpaper.vala:65: File /usr/share/backgrounds/elementaryos-default does not exist!


** (lightdm-pantheon-greeter:2561): WARNING **: Indicators.vala:129: Could not start gnome-settings-daemon: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SettingsDaemon was not provided by any .service files

(lightdm-pantheon-greeter:2561): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_n_channels: assertion 'GDK_IS_PIXBUF (pixbuf)' failed

(lightdm-pantheon-greeter:2561): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed

(lightdm-pantheon-greeter:2561): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
**
Gdk:ERROR:gdkcairo.c:193:gdk_cairo_surface_paint_pixbuf: assertion failed: (cairo_image_surface_get_format (surface) == CAIRO_FORMAT_RGB24 || cairo_image_surface_get_format (surface) == CAIRO_FORMAT_ARGB32)
[+0.40s] DEBUG: Session pid=2559: Greeter closed communication channel
[+0.40s] DEBUG: Session pid=2559: Exited with return value 134
[+0.40s] DEBUG: Seat: Session stopped
[+0.40s] DEBUG: Seat: Stopping; failed to start a greeter
[+0.40s] DEBUG: Seat: Stopping
[+0.40s] DEBUG: Seat: Stopping display server
[+0.40s] DEBUG: Sending signal 15 to process 2554
[+0.41s] DEBUG: Process 2554 exited with return value 0
[+0.41s] DEBUG: DisplayServer x-1: X server stopped
[+0.41s] DEBUG: DisplayServer x-1: Removing X server authority /run/lightdm/root/:1
[+0.41s] DEBUG: Seat: Display server stopped
[+0.41s] DEBUG: Seat: Stopped
[+0.41s] DEBUG: Required seat has stopped
[+0.41s] DEBUG: Stopping display manager
[+0.41s] DEBUG: Display manager stopped
[+0.41s] DEBUG: Stopping daemon
[+0.42s] DEBUG: Exiting with return value 1