Arch Linux

fede93

Member

Registered: 2015-09-07

Posts: 3

LightDM login loop

LightDM appears after boot, ask me to enter my password and after doing that it restarts itself showing again the "login page".
Here's the logs:

• x-0.log

  X.Org X Server 1.17.2
  Release Date: 2015-06-16
  X Protocol Version 11, Revision 0
  Build Operating System: Linux 4.0.4-2-ARCH x86_64 
  Current Operating System: Linux arch-linux 4.1.6-1-ARCH #1 SMP PREEMPT Mon Aug 17 08:52:28 CEST 2015 x86_64
  Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=37533127-b2b9-470f-82e8-2a0fa97628fd rw quiet
  Build Date: 17 July 2015  05:38:19PM
   
  Current version of pixman: 0.32.6
  	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: Mon Sep  7 14:28:36 2015
  (==) Using config file: "/etc/X11/xorg.conf"
  (==) Using system config directory "/usr/share/X11/xorg.conf.d"
  (II) Server terminated successfully (0). Closing log file.

• lightdm.log

  [+0.01s] DEBUG: Logging to /var/log/lightdm/lightdm.log
  [+0.01s] DEBUG: Starting Light Display Manager 1.14.2, UID=0 PID=354
  [+0.01s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
  [+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: Using D-Bus name org.freedesktop.DisplayManager
  [+0.03s] DEBUG: Registered seat module xlocal
  [+0.03s] DEBUG: Registered seat module xremote
  [+0.03s] DEBUG: Registered seat module unity
  [+0.10s] DEBUG: Monitoring logind for seats
  [+0.10s] DEBUG: New seat added from logind: seat0
  [+0.10s] DEBUG: Loading properties from config section SeatDefaults
  [+0.10s] DEBUG: Seat seat0: Starting
  [+0.10s] DEBUG: Seat seat0: Creating greeter session
  [+0.12s] DEBUG: Seat seat0: Creating display server of type x
  [+0.13s] DEBUG: Could not run plymouth --ping: Failed to execute child process "plymouth" (No such file or directory)
  [+0.13s] DEBUG: Using VT 7
  [+0.13s] DEBUG: Seat seat0: Starting local X display on VT 7
  [+0.13s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
  [+0.13s] DEBUG: DisplayServer x-0: Writing X server authority to /run/lightdm/root/:0
  [+0.13s] DEBUG: DisplayServer x-0: Launching X Server
  [+0.16s] DEBUG: Launching process 360: /usr/sbin/X :0 -seat seat0 -auth /run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
  [+0.16s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
  [+0.16s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
  [+0.16s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
  [+0.18s] WARNING: Error getting user list from org.freedesktop.Accounts: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Accounts was not provided by any .service files
  [+0.18s] DEBUG: Loading user config from /etc/lightdm/users.conf
  [+0.24s] DEBUG: User fede added
  [+2.90s] DEBUG: Got signal 10 from process 360
  [+2.90s] DEBUG: DisplayServer x-0: Got signal from X server :0
  [+2.90s] DEBUG: DisplayServer x-0: Connecting to XServer :0
  [+2.90s] DEBUG: Seat seat0: Display server ready, starting session authentication
  [+2.90s] DEBUG: Session pid=377: Started with service 'lightdm-greeter', username 'lightdm'
  [+3.08s] DEBUG: Session pid=377: Authentication complete with return value 0: Success
  [+3.08s] DEBUG: Seat seat0: Session authenticated, running command
  [+3.08s] DEBUG: Session pid=377: Running command /usr/sbin/lightdm-gtk-greeter
  [+3.08s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
  [+3.08s] DEBUG: Session pid=377: Logging to /var/log/lightdm/x-0-greeter.log
  [+3.27s] DEBUG: Activating VT 7
  [+3.27s] DEBUG: Activating login1 session c1
  [+3.27s] DEBUG: Seat seat0 changes active session to c1
  [+3.27s] DEBUG: Session c1 is already active
  [+4.40s] DEBUG: Session pid=377: Greeter connected version=1.14.2 resettable=false
  [+5.70s] DEBUG: Session pid=377: Greeter start authentication for fede
  [+5.70s] DEBUG: Session pid=408: Started with service 'lightdm', username 'fede'
  [+5.78s] DEBUG: Session pid=408: Got 1 message(s) from PAM
  [+5.78s] DEBUG: Session pid=377: Prompt greeter with 1 message(s)
  [+14.26s] DEBUG: Session pid=377: Continue authentication
  [+14.27s] DEBUG: Session pid=408: Authentication complete with return value 0: Success
  [+14.27s] DEBUG: Session pid=377: Authenticate result for user fede: Success
  [+14.27s] DEBUG: Session pid=377: User fede authorized
  [+14.28s] DEBUG: Session pid=377: Greeter sets language en_US.utf8
  [+14.34s] DEBUG: Session pid=377: Greeter requests session xfce
  [+14.34s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
  [+14.34s] DEBUG: Session pid=377: Sending SIGTERM
  [+14.42s] DEBUG: Session pid=377: Greeter closed communication channel
  [+14.42s] DEBUG: Session pid=377: Exited with return value 0
  [+14.42s] DEBUG: Seat seat0: Session stopped
  [+14.42s] DEBUG: Seat seat0: Greeter stopped, running session
  [+14.42s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
  [+14.42s] DEBUG: Session pid=408: Running command /etc/lightdm/Xsession startxfce4
  [+14.42s] DEBUG: Creating shared data directory /var/lib/lightdm-data/fede
  [+14.42s] DEBUG: Session pid=408: Logging to .xsession-errors
  [+14.49s] DEBUG: Activating VT 7
  [+14.49s] DEBUG: Activating login1 session c2
  [+14.49s] DEBUG: Seat seat0 changes active session to c2
  [+14.49s] DEBUG: Session c2 is already active
  [+15.68s] DEBUG: Session pid=408: Exited with return value 0
  [+15.68s] DEBUG: Seat seat0: Session stopped
  [+15.68s] DEBUG: Seat seat0: Stopping display server, no sessions require it
  [+15.68s] DEBUG: Sending signal 15 to process 360
  [+16.25s] DEBUG: Process 360 exited with return value 0
  [+16.25s] DEBUG: DisplayServer x-0: X server stopped
  [+16.25s] DEBUG: Releasing VT 7
  [+16.25s] DEBUG: DisplayServer x-0: Removing X server authority /run/lightdm/root/:0
  [+16.25s] DEBUG: Seat seat0: Display server stopped
  [+16.25s] DEBUG: Seat seat0: Active display server stopped, starting greeter
  [+16.25s] DEBUG: Seat seat0: Creating greeter session
  [+16.25s] DEBUG: Seat seat0: Creating display server of type x
  [+16.25s] DEBUG: Using VT 7
  [+16.25s] DEBUG: Seat seat0: Starting local X display on VT 7
  [+16.25s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
  [+16.25s] DEBUG: DisplayServer x-0: Writing X server authority to /run/lightdm/root/:0
  [+16.25s] DEBUG: DisplayServer x-0: Launching X Server
  [+16.25s] DEBUG: Launching process 472: /usr/sbin/X :0 -seat seat0 -auth /run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
  [+16.25s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
  [+16.79s] DEBUG: Got signal 10 from process 472
  [+16.79s] DEBUG: DisplayServer x-0: Got signal from X server :0
  [+16.79s] DEBUG: DisplayServer x-0: Connecting to XServer :0
  [+16.79s] DEBUG: Seat seat0: Display server ready, starting session authentication
  [+16.79s] DEBUG: Session pid=478: Started with service 'lightdm-greeter', username 'lightdm'
  [+16.80s] DEBUG: Session pid=478: Authentication complete with return value 0: Success
  [+16.80s] DEBUG: Seat seat0: Session authenticated, running command
  [+16.80s] DEBUG: Session pid=478: Running command /usr/sbin/lightdm-gtk-greeter
  [+16.80s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
  [+16.80s] DEBUG: Session pid=478: Logging to /var/log/lightdm/x-0-greeter.log
  [+16.81s] DEBUG: Activating VT 7
  [+16.81s] DEBUG: Activating login1 session c3
  [+16.81s] DEBUG: Seat seat0 changes active session to c3
  [+16.81s] DEBUG: Session c3 is already active
  [+16.94s] DEBUG: Session pid=478: Greeter connected version=1.14.2 resettable=false
  [+17.02s] DEBUG: Session pid=478: Greeter start authentication for fede
  [+17.02s] DEBUG: Session pid=498: Started with service 'lightdm', username 'fede'
  [+17.03s] DEBUG: Session pid=498: Got 1 message(s) from PAM
  [+17.03s] DEBUG: Session pid=478: Prompt greeter with 1 message(s)
  [+24.56s] DEBUG: Seat seat0 changes active session to 
  [+35.76s] DEBUG: Seat seat0 changes active session to c4
  [+57.62s] DEBUG: Session pid=478: Terminated with signal 1
  [+57.62s] DEBUG: Seat seat0: Session stopped
  [+57.62s] DEBUG: Seat seat0: Stopping; failed to start a greeter
  [+57.62s] DEBUG: Seat seat0: Stopping
  [+57.62s] DEBUG: Seat seat0: Stopping display server
  [+57.62s] DEBUG: Sending signal 15 to process 472
  [+57.62s] DEBUG: Seat seat0: Stopping session
  [+57.62s] DEBUG: Session pid=498: Sending SIGTERM
  [+57.62s] DEBUG: Session pid=498: Terminated with signal 15
  [+57.62s] DEBUG: Session: Failed during authentication
  [+57.62s] DEBUG: Seat seat0: Session stopped

• x-0-greeter.log

  ** Message: Starting lightdm-gtk-greeter 2.0.1 (May 26 2015, 08:48:40)
  ** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf
  
  ** (lightdm-gtk-greeter:481): WARNING **: [PIDs] Failed to execute command: upstart
  
  (lightdm-gtk-greeter:481): GLib-GObject-WARNING **: The property GtkWidget:margin-left is deprecated and shouldn't be used anymore. It will be removed in a future version.
  
  (lightdm-gtk-greeter:481): GLib-GObject-WARNING **: The property GtkWidget:margin-right is deprecated and shouldn't be used anymore. It will be removed in a future version.
  
  (lightdm-gtk-greeter:481): GLib-GObject-WARNING **: The property GtkImage:stock is deprecated and shouldn't be used anymore. It will be removed in a future version.
  
  ** (lightdm-gtk-greeter:481): WARNING **: Error getting user list from org.freedesktop.Accounts: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Accounts was not provided by any .service files

boban_dj

Member

Registered: 2015-03-17

Posts: 150

Re: LightDM login loop

I think lightdm is running ok, and the greeter as well, but
from you lightdm.log, it seems there is a problem with xfce session, it starts from here.

DEBUG: Session pid=408: Logging to .xsession-errors

can you share .xsession-errors?

Last edited by boban_dj (2015-09-09 15:15:51)