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Most times (but not always) I start up Ubuntu lightdm fails to start,
hitting ctrl+alt+f1 and starting it manually (sude service lightdm
start) works. the lighdm log give me:
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.0.6, UID=0 PID=1259
[+0.00s] DEBUG: Loaded configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Registered seat module xlocal
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Adding default seat
[+0.00s] DEBUG: Starting seat
[+0.00s] DEBUG: Starting new display for greeter
[+0.00s] DEBUG: Starting local X display
[+0.01s] DEBUG: X server :0 will replace Plymouth
[+0.03s] DEBUG: Using VT 7
[+0.03s] DEBUG: Activating VT 7
[+0.03s] DEBUG: Logging to /var/log/lightdm/x-0.log
[+0.03s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0
[+0.03s] DEBUG: Launching X Server
[+0.03s] DEBUG: Launching process 1303: /usr/bin/X :0 -auth
/var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none
[+0.03s] DEBUG: 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
[+0.19s] DEBUG: Process 1303 exited with return value 1
[+0.19s] DEBUG: X server stopped
[+0.19s] DEBUG: Removing X server authority /var/run/lightdm/root/:0
[+0.19s] DEBUG: Releasing VT 7
[+0.19s] DEBUG: Stopping Plymouth, X server failed to start
[+0.22s] DEBUG: Display server stopped
[+0.22s] DEBUG: Stopping display
[+0.22s] DEBUG: Display stopped
[+0.22s] DEBUG: Stopping X local seat, failed to start a display
[+0.22s] DEBUG: Stopping seat
[+0.22s] DEBUG: Seat stopped
[+0.22s] DEBUG: Stopping lightdm, required seat has stopped
[+0.22s] DEBUG: Stopping display manager
[+0.22s] DEBUG: Display manager stopped
[+0.22s] DEBUG: Stopping Light Display Manager
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
--
lightdm frequently fails to start
https://bugs.launchpad.net/bugs/918321
You received this bug notification because you are a member of Ubuntu-X, which
is subscribed to nvidia-graphics-drivers in Ubuntu.
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