depuis quelques temps lightdm demande de m'authentifier 2 fois et en parcourant des forums cela a l'air d'être assez courant mais ne m'a pas apporté de solution dans mon cas. Il y a plusieurs PC ou portables dans la maison f27/cinnamon et c'est la seule machine où cela se produit.
Voici ci-dessous le log que je suis incapable d'analyser car je ne sais pas comment fonctionne lightdm.
J'ai seulement constaté qu'à 0,75 s il y a (je suppose !) une demande d'authentification lightdm et au temps 1,63 s une seconde pour mon utilisateur. Serait-ce l'origine du problème ?
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.25.2, UID=0 PID=748
[+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-backup-logs.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-disable-guest.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-minimum-vt.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-session-wrapper.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-user-authority-in-system-dir.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/90-slick-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
[+0.00s] DEBUG: Registered seat module local
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Registered seat module unity
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.01s] DEBUG: Monitoring logind for seats
[+0.01s] DEBUG: New seat added from logind: seat0
[+0.01s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.01s] DEBUG: Seat seat0: Starting
[+0.01s] DEBUG: Seat seat0: Creating greeter session
[+0.01s] DEBUG: Seat seat0: Creating display server of type x
[+0.01s] DEBUG: Deactivating Plymouth
[+0.03s] DEBUG: Using VT 1
[+0.03s] DEBUG: Seat seat0: Starting local X display on VT 1
[+0.03s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+0.03s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+0.03s] DEBUG: XServer 0: Launching X Server
[+0.03s] DEBUG: Launching process 788: /usr/bin/X -core -noreset :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt1 -novtswitch -background none
[+0.03s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+0.03s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.03s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.03s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.03s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.68s] DEBUG: Got signal 10 from process 788
[+0.68s] DEBUG: XServer 0: Got signal from X server :0
[+0.68s] DEBUG: XServer 0: Connecting to XServer :0
[+0.73s] DEBUG: Quitting Plymouth; retaining splash
[+0.75s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+0.75s] DEBUG: Session pid=881: Started with service 'lightdm-greeter', username 'lightdm'
[+0.76s] DEBUG: Session pid=881: Authentication complete with return value 0: Success
[+0.76s] DEBUG: Seat seat0: Session authenticated, running command
[+0.76s] DEBUG: Launching process 885: /usr/bin/numlockx on
[+0.79s] DEBUG: Process 885 exited with return value 0
[+0.79s] DEBUG: Seat seat0: Exit status of /usr/bin/numlockx on: 0
[+0.79s] DEBUG: Session pid=881: Running command /usr/sbin/slick-greeter
[+0.79s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+0.79s] DEBUG: Session pid=881: Logging to /var/log/lightdm/seat0-greeter.log
[+0.94s] DEBUG: Activating VT 1
[+0.94s] DEBUG: Activating login1 session c1
[+0.94s] DEBUG: Seat seat0 changes active session to c1
[+0.94s] DEBUG: Session c1 is already active
[+1.26s] DEBUG: Greeter connected version=1.25.2 api=1 resettable=false
[+1.63s] DEBUG: Greeter start authentication for mfixe
[+1.63s] DEBUG: Session pid=942: Started with service 'lightdm', username 'mfixe'
[+1.73s] DEBUG: Session pid=942: Got 1 message(s) from PAM
[+1.73s] DEBUG: Prompt greeter with 1 message(s)
[+7.38s] DEBUG: Continue authentication
[+7.40s] DEBUG: Session pid=942: Authentication complete with return value 0: Success
[+7.40s] DEBUG: Authenticate result for user mfixe: Success
[+7.40s] DEBUG: User mfixe authorized
[+7.44s] DEBUG: Greeter requests session cinnamon
[+7.44s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+7.44s] DEBUG: Terminating login1 session c1
[+7.44s] DEBUG: Session pid=881: Sending SIGTERM
[+7.45s] DEBUG: Greeter closed communication channel
[+7.45s] DEBUG: Session pid=881: Exited with return value 0
[+7.45s] DEBUG: Seat seat0: Session stopped
[+7.45s] DEBUG: Seat seat0: Greeter stopped, running session
[+7.45s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+7.45s] DEBUG: Session pid=942: Running command /etc/X11/xinit/Xsession cinnamon-session-cinnamon
[+7.45s] DEBUG: Creating shared data directory /var/lib/lightdm-data/mfixe
[+7.45s] DEBUG: Session pid=942: Logging to .xsession-errors
[+7.60s] DEBUG: Activating VT 1
[+7.60s] DEBUG: Activating login1 session 2
[+7.60s] DEBUG: Seat seat0 changes active session to
[+7.60s] DEBUG: Seat seat0 changes active session to 2
[+7.60s] DEBUG: Session 2 is already active
[+7.85s] DEBUG: Session pid=942: Exited with return value 1
[+7.85s] DEBUG: Seat seat0: Session stopped
[+7.85s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+7.85s] DEBUG: Sending signal 15 to process 788
[+7.86s] DEBUG: Seat seat0 changes active session to
[+8.03s] DEBUG: Process 788 exited with return value 0
[+8.03s] DEBUG: XServer 0: X server stopped
[+8.03s] DEBUG: Releasing VT 1
[+8.03s] DEBUG: XServer 0: Removing X server authority /var/run/lightdm/root/:0
[+8.03s] DEBUG: Seat seat0: Display server stopped
[+8.03s] DEBUG: Seat seat0: Active display server stopped, starting greeter
[+8.03s] DEBUG: Seat seat0: Creating greeter session
[+8.03s] DEBUG: Seat seat0: Creating display server of type x
[+8.03s] DEBUG: Using VT 1
[+8.03s] DEBUG: Seat seat0: Starting local X display on VT 1
[+8.03s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+8.03s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0
[+8.03s] DEBUG: XServer 0: Launching X Server
[+8.03s] DEBUG: Launching process 1200: /usr/bin/X -core -noreset :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt1 -novtswitch -background none
[+8.03s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+8.49s] DEBUG: Got signal 10 from process 1200
[+8.49s] DEBUG: XServer 0: Got signal from X server :0
[+8.49s] DEBUG: XServer 0: Connecting to XServer :0
[+8.55s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+8.55s] DEBUG: Session pid=1205: Started with service 'lightdm-greeter', username 'lightdm'
[+8.58s] DEBUG: Session pid=1205: Authentication complete with return value 0: Success
[+8.58s] DEBUG: Seat seat0: Session authenticated, running command
[+8.58s] DEBUG: Launching process 1208: /usr/bin/numlockx on
[+8.60s] DEBUG: Process 1208 exited with return value 0
[+8.60s] DEBUG: Seat seat0: Exit status of /usr/bin/numlockx on: 0
[+8.60s] DEBUG: Session pid=1205: Running command /usr/sbin/slick-greeter
[+8.60s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+8.60s] DEBUG: Session pid=1205: Logging to /var/log/lightdm/seat0-greeter.log
[+8.73s] DEBUG: Activating VT 1
[+8.73s] DEBUG: Activating login1 session c2
[+8.73s] DEBUG: Seat seat0 changes active session to c2
[+8.73s] DEBUG: Session c2 is already active
[+8.86s] DEBUG: Greeter connected version=1.25.2 api=1 resettable=false
[+8.94s] DEBUG: Greeter start authentication for mfixe
[+8.94s] DEBUG: Session pid=1260: Started with service 'lightdm', username 'mfixe'
[+8.96s] DEBUG: Session pid=1260: Got 1 message(s) from PAM
[+8.96s] DEBUG: Prompt greeter with 1 message(s)
[+14.09s] DEBUG: Continue authentication
[+14.11s] DEBUG: Session pid=1260: Authentication complete with return value 0: Success
[+14.11s] DEBUG: Authenticate result for user mfixe: Success
[+14.11s] DEBUG: User mfixe authorized
[+14.13s] DEBUG: Greeter requests session cinnamon
[+14.13s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+14.13s] DEBUG: Terminating login1 session c2
[+14.14s] DEBUG: Session pid=1205: Sending SIGTERM
[+14.14s] DEBUG: Greeter closed communication channel
[+14.14s] DEBUG: Session pid=1205: Exited with return value 0
[+14.14s] DEBUG: Seat seat0: Session stopped
[+14.14s] DEBUG: Seat seat0: Greeter stopped, running session
[+14.14s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1
[+14.14s] DEBUG: Session pid=1260: Running command /etc/X11/xinit/Xsession cinnamon-session-cinnamon
[+14.14s] DEBUG: Creating shared data directory /var/lib/lightdm-data/mfixe
[+14.14s] DEBUG: Session pid=1260: Logging to .xsession-errors
[+14.25s] DEBUG: Activating VT 1
[+14.25s] DEBUG: Activating login1 session 5
[+14.25s] DEBUG: Seat seat0 changes active session to
[+14.25s] DEBUG: Seat seat0 changes active session to 5
[+14.25s] DEBUG: Session 5 is already active