lightdm вылетает / выдается при разблокировке

После выполнения некоторых обновлений программного обеспечения, я заметил очень неприятную проблему. Иногда я запираю свой компьютер, делаю вещи, возвращаюсь к нему и пытаюсь разблокировать его. Мне предлагается пароль. Я набираю свой пароль, нажимаю Enter, а затем на черный экран на пару секунд, после чего я возвращаюсь к приглашению для входа. Я набираю свой пароль, а затем я вошел в систему.

Я проверил журналы lightdm, и это то, что загорается журнал lightdm, когда происходит событие.

[+14359.35s] DEBUG: Continue authentication [+14359.35s] DEBUG: Session pid=17097: Authentication complete with return value 0: Success [+14359.35s] DEBUG: Authenticate result for user the-computer-geek: Success [+14359.35s] DEBUG: User the-computer-geek authorized [+14359.36s] DEBUG: Greeter sets language en_US [+14359.41s] DEBUG: Greeter requests session xubuntu [+14359.41s] DEBUG: Seat seat0: Returning to existing user session the-computer-geek [+14359.41s] DEBUG: Unlocking login1 session c2 [+14359.41s] DEBUG: Activating VT 7 [+14359.54s] DEBUG: Seat seat0: Stopping greeter [+14359.54s] DEBUG: Session pid=17022: Sending SIGTERM [+14359.54s] DEBUG: Activating login1 session c2 [+14359.55s] DEBUG: Session pid=17097: Exited with return value 0 [+14359.55s] DEBUG: Seat seat0: Session stopped [+14359.55s] DEBUG: Seat seat0 changes active session to c2 [+14359.55s] DEBUG: Session c2 is already active [+14359.55s] DEBUG: Session pid=17022: Exited with return value 0 [+14359.55s] DEBUG: Seat seat0: Session stopped [+14359.55s] DEBUG: Seat seat0: Stopping display server, no sessions require it [+14359.55s] DEBUG: Sending signal 15 to process 17009 [+14359.62s] DEBUG: Process 17009 exited with return value 0 [+14359.62s] DEBUG: DisplayServer x-1: X server stopped [+14359.62s] DEBUG: Releasing VT 8 [+14359.62s] DEBUG: DisplayServer x-1: Removing X server authority /var/run/lightdm/root/:1 [+14359.62s] DEBUG: Seat seat0: Display server stopped [+14359.64s] DEBUG: Process 1329 terminated with signal 6 [+14359.64s] DEBUG: DisplayServer x-0: X server stopped [+14359.64s] DEBUG: Releasing VT 7 [+14359.64s] DEBUG: DisplayServer x-0: Removing X server authority /var/run/lightdm/root/:0 [+14359.64s] DEBUG: Seat seat0: Display server stopped [+14359.64s] DEBUG: Seat seat0: Stopping session [+14359.64s] DEBUG: Session pid=1779: Sending SIGTERM [+14359.64s] DEBUG: Seat seat0: Active display server stopped, starting greeter [+14359.64s] DEBUG: Seat seat0: Creating greeter session [+14359.64s] DEBUG: Seat seat0: Creating display server of type x [+14359.64s] DEBUG: Using VT 7 [+14359.64s] DEBUG: Seat seat0: Starting local X display on VT 7 [+14359.64s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log [+14359.64s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0 [+14359.64s] DEBUG: DisplayServer x-0: Launching X Server [+14359.64s] DEBUG: Launching process 20122: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch [+14359.64s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0 [+14360.23s] DEBUG: Got signal 10 from process 20122 [+14360.23s] DEBUG: DisplayServer x-0: Got signal from X server :0 [+14360.23s] DEBUG: DisplayServer x-0: Connecting to XServer :0 [+14360.23s] DEBUG: Seat seat0: Display server ready, starting session authentication [+14360.23s] DEBUG: Session pid=20269: Started with service 'lightdm-greeter', username 'lightdm' [+14360.24s] DEBUG: Session pid=20269: Authentication complete with return value 0: Success [+14360.24s] DEBUG: Seat seat0: Session authenticated, running command [+14360.24s] DEBUG: Session pid=20269: Running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/lightdm-gtk-greeter [+14360.24s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm [+14360.24s] DEBUG: Session pid=20269: Logging to /var/log/lightdm/seat0-greeter.log [+14360.26s] DEBUG: Activating VT 7 [+14360.26s] DEBUG: Locking login1 session c2 [+14360.26s] DEBUG: Activating login1 session c5 [+14360.26s] DEBUG: Seat seat0 changes active session to c5 [+14360.26s] DEBUG: Session c5 is already active [+14360.33s] DEBUG: Greeter connected version=1.18.3 resettable=false [+14360.40s] DEBUG: Session pid=1779: Exited with return value 0 [+14360.40s] DEBUG: Seat seat0: Session stopped [+14360.40s] DEBUG: Seat seat0: Stopping display server, no sessions require it [+14360.47s] DEBUG: Greeter start authentication for the-computer-geek [+14360.47s] DEBUG: Session pid=20343: Started with service 'lightdm', username 'the-computer-geek' [+14360.48s] DEBUG: Session pid=20343: Got 1 message(s) from PAM [+14360.48s] DEBUG: Prompt greeter with 1 message(s)

Почему сбой Lightdm ? Что я могу сделать, чтобы остановить его?

Спасибо.

EDIT: Это спорадическая проблема. В основном это происходит, когда я оставляю систему в покое в течение более 20 минут.

0
задан 29 January 2018 в 16:28

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