VT switching - enabled(default) acceleration, does not work /var/log/Xorg.0.log (II) EXA(0): Driver registered support for the following operations: ... (II) Composite (RENDER acceleration) glxinfo: OpenGL renderer string: Gallium 0.4 on NV98 ~~~~~~~~~~~~~~~~~~~~~~~ $ lightdm --show-config [LightDM] A minimum-vt=1 A user-authority-in-system-dir=true [Seat:*] A greeter-session=lightdm-greeter A user-session=xfce A session-wrapper=/etc/X11/xinit/Xsession A display-setup-script=/usr/bin/XRandR A autologin-user=liveuser A autologin-user-timeout=20 Sources: A /etc/lightdm/lightdm.conf ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log [+0.00s] DEBUG: Starting Light Display Manager 1.19.2, UID=0 PID=1577 [+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d [+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: Using D-Bus name org.freedesktop.DisplayManager [+0.00s] DEBUG: Registered seat module local [+0.00s] DEBUG: Registered seat module xremote [+0.00s] DEBUG: Registered seat module unity [+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: Using VT 1 [+0.01s] DEBUG: Seat seat0: Starting local X display on VT 1 [+0.01s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log [+0.01s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0 [+0.01s] DEBUG: XServer 0: Launching X Server [+0.01s] DEBUG: Launching process 1584: /usr/bin/X :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt1 -novtswitch [+0.01s] DEBUG: XServer 0: Waiting for ready signal from X server :0 [+0.01s] DEBUG: Acquired bus name org.freedesktop.DisplayManager [+0.01s] 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 [+2.70s] DEBUG: Got signal 10 from process 1584 [+2.70s] DEBUG: XServer 0: Got signal from X server :0 [+2.70s] DEBUG: XServer 0: Connecting to XServer :0 [+2.70s] DEBUG: Launching process 1589: /usr/bin/XRandR [+2.74s] DEBUG: Process 1589 exited with return value 0 [+2.74s] DEBUG: Seat seat0: Exit status of /usr/bin/XRandR: 0 [+2.74s] CRITICAL: g_object_unref: assertion 'G_IS_OBJECT (object)' failed [+2.74s] DEBUG: Seat seat0: Display server ready, starting session authentication [+2.74s] DEBUG: Session pid=1594: Started with service 'lightdm-greeter', username 'lightdm' [+2.76s] DEBUG: Session pid=1594: Authentication complete with return value 0: Success [+2.76s] DEBUG: Seat seat0: Session authenticated, running command [+2.76s] DEBUG: Session pid=1594: Running command /usr/sbin/lightdm-gtk-greeter [+2.76s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm [+2.76s] DEBUG: Session pid=1594: Logging to /var/log/lightdm/seat0-greeter.log [+2.84s] DEBUG: Activating VT 1 [+2.84s] DEBUG: Activating login1 session c1 [+2.84s] DEBUG: Seat seat0 changes active session to c1 [+2.84s] DEBUG: Session c1 is already active [+4.60s] DEBUG: Greeter connected version=1.19.2 resettable=false [+6.27s] DEBUG: Greeter start authentication for liveuser [+6.27s] DEBUG: Session pid=1654: Started with service 'lightdm-autologin', username 'liveuser' [+6.30s] DEBUG: Session pid=1654: Authentication complete with return value 0: Success [+6.30s] DEBUG: Authenticate result for user liveuser: Success [+6.30s] DEBUG: User liveuser authorized [+24.60s] DEBUG: Greeter sets language en_US.utf8 [+24.61s] DEBUG: Writing /home/liveuser/.dmrc [+24.74s] DEBUG: Greeter requests session xfce [+24.75s] DEBUG: Writing /home/liveuser/.dmrc [+24.75s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session [+24.75s] DEBUG: Session pid=1594: Sending SIGTERM [+24.85s] DEBUG: Greeter closed communication channel [+24.85s] DEBUG: Session pid=1594: Exited with return value 0 [+24.85s] DEBUG: Seat seat0: Session stopped [+24.85s] DEBUG: Seat seat0: Greeter stopped, running session [+24.85s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0 [+24.86s] CRITICAL: g_object_unref: assertion 'G_IS_OBJECT (object)' failed [+24.86s] DEBUG: Session pid=1654: Running command /etc/X11/xinit/Xsession startxfce4 [+24.86s] DEBUG: Creating shared data directory /var/lib/lightdm-data/liveuser [+24.86s] DEBUG: Session pid=1654: Logging to .xsession-errors [+24.94s] DEBUG: Activating VT 1 [+24.94s] DEBUG: Activating login1 session 2 [+24.94s] DEBUG: Seat seat0 changes active session to [+24.94s] DEBUG: Seat seat0 changes active session to 2 [+24.94s] DEBUG: Session 2 is already active [+41.75s] DEBUG: Seat seat0: Creating greeter session [+41.75s] DEBUG: Seat seat0: Creating display server of type x [+41.75s] DEBUG: Using VT 2 [+41.75s] DEBUG: Seat seat0: Starting local X display on VT 2 [+41.75s] DEBUG: XServer 1: Logging to /var/log/lightdm/x-1.log [+41.75s] DEBUG: XServer 1: Writing X server authority to /var/run/lightdm/root/:1 [+41.75s] DEBUG: XServer 1: Launching X Server [+41.75s] DEBUG: Launching process 2017: /usr/bin/X :1 -seat seat0 -auth /var/run/lightdm/root/:1 -nolisten tcp vt2 -novtswitch [+41.75s] DEBUG: XServer 1: Waiting for ready signal from X server :1 [+41.84s] DEBUG: Seat seat0 changes active session to [+42.18s] DEBUG: Got signal 10 from process 2017 [+42.18s] DEBUG: XServer 1: Got signal from X server :1 [+42.18s] DEBUG: XServer 1: Connecting to XServer :1 [+42.18s] DEBUG: Launching process 2020: /usr/bin/XRandR [+42.19s] DEBUG: Process 2020 exited with return value 0 [+42.19s] DEBUG: Seat seat0: Exit status of /usr/bin/XRandR: 0 [+42.19s] CRITICAL: g_object_unref: assertion 'G_IS_OBJECT (object)' failed [+42.19s] DEBUG: Seat seat0: Display server ready, starting session authentication [+42.19s] DEBUG: Session pid=2025: Started with service 'lightdm-greeter', username 'lightdm' [+42.21s] DEBUG: Session pid=2025: Authentication complete with return value 0: Success [+42.21s] DEBUG: Seat seat0: Session authenticated, running command [+42.21s] DEBUG: Session pid=2025: Running command /usr/sbin/lightdm-gtk-greeter [+42.21s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm [+42.21s] DEBUG: Session pid=2025: Logging to /var/log/lightdm/seat0-greeter.log [+42.29s] DEBUG: Activating VT 2 [+42.29s] DEBUG: Locking login1 session 2 [+42.29s] DEBUG: Activating login1 session c2 [+42.29s] DEBUG: Seat seat0 changes active session to c2 [+42.29s] DEBUG: Session c2 is already active [+42.43s] DEBUG: Greeter connected version=1.19.2 resettable=false [+42.81s] DEBUG: Greeter start authentication for liveuser [+42.81s] DEBUG: Seat seat0: Failed to work out session ID to mark [+42.81s] DEBUG: Session pid=2057: Started with service 'lightdm-autologin', username 'liveuser' [+42.82s] DEBUG: Session pid=2057: Authentication complete with return value 0: Success [+42.82s] DEBUG: Authenticate result for user liveuser: Success [+42.82s] DEBUG: User liveuser authorized [+62.43s] DEBUG: Greeter sets language en_US.utf8 [+62.57s] DEBUG: Greeter requests session xfce [+62.57s] DEBUG: Seat seat0: Returning to existing user session liveuser [+62.57s] DEBUG: Unlocking login1 session 2 [+62.57s] DEBUG: Activating VT 1 [+62.57s] WARNING: Error using VT_WAITACTIVE 1 on /dev/tty0: Interrupted system call [+62.57s] DEBUG: Seat seat0: Stopping greeter [+62.57s] DEBUG: Session pid=2025: Sending SIGTERM [+62.57s] DEBUG: Activating login1 session 2 [+62.57s] DEBUG: Session pid=2057: Exited with return value 0 [+62.57s] DEBUG: Seat seat0: Session stopped [+62.65s] DEBUG: Seat seat0 changes active session to 2 [+62.65s] DEBUG: Session 2 is already active [+71.03s] DEBUG: Session pid=1654: Exited with return value 0 [+71.03s] DEBUG: Seat seat0: Session stopped [+71.03s] DEBUG: Seat seat0: Stopping display server, no sessions require it [+71.03s] DEBUG: Sending signal 15 to process 1584 [+71.30s] DEBUG: Process 1584 exited with return value 0 [+71.30s] DEBUG: XServer 0: X server stopped [+71.30s] DEBUG: Releasing VT 1 [+71.30s] DEBUG: XServer 0: Removing X server authority /var/run/lightdm/root/:0 [+71.30s] DEBUG: Seat seat0: Display server stopped [+71.30s] DEBUG: Seat seat0: Active display server stopped, starting greeter [+71.30s] DEBUG: Seat seat0: Creating greeter session [+71.30s] DEBUG: Seat seat0: Creating display server of type x [+71.30s] DEBUG: Using VT 1 [+71.30s] DEBUG: Seat seat0: Starting local X display on VT 1 [+71.30s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log [+71.30s] DEBUG: XServer 0: Writing X server authority to /var/run/lightdm/root/:0 [+71.30s] DEBUG: XServer 0: Launching X Server [+71.30s] DEBUG: Launching process 2088: /usr/bin/X :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt1 -novtswitch [+71.30s] DEBUG: XServer 0: Waiting for ready signal from X server :0 [+71.63s] DEBUG: Got signal 10 from process 2088 [+71.63s] DEBUG: XServer 0: Got signal from X server :0 [+71.63s] DEBUG: XServer 0: Connecting to XServer :0 [+71.63s] DEBUG: Launching process 2091: /usr/bin/XRandR [+71.64s] DEBUG: Process 2091 exited with return value 0 [+71.64s] DEBUG: Seat seat0: Exit status of /usr/bin/XRandR: 0 [+71.64s] CRITICAL: g_object_unref: assertion 'G_IS_OBJECT (object)' failed [+71.64s] DEBUG: Seat seat0: Display server ready, starting session authentication [+71.64s] DEBUG: Session pid=2096: Started with service 'lightdm-greeter', username 'lightdm' [+71.65s] DEBUG: Session pid=2096: Authentication complete with return value 0: Success [+71.65s] DEBUG: Seat seat0: Session authenticated, running command [+71.65s] DEBUG: Session pid=2096: Running command /usr/sbin/lightdm-gtk-greeter [+71.65s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm [+71.65s] DEBUG: Session pid=2096: Logging to /var/log/lightdm/seat0-greeter.log [+71.67s] DEBUG: Activating VT 1 [+71.67s] DEBUG: Activating login1 session c3 [+71.67s] DEBUG: Seat seat0 changes active session to c3 [+71.67s] DEBUG: Session c3 is already active [+71.77s] DEBUG: Greeter connected version=1.19.2 resettable=false [+72.14s] DEBUG: Greeter start authentication for liveuser [+72.15s] DEBUG: Session pid=2108: Started with service 'lightdm-autologin', username 'liveuser' [+72.16s] DEBUG: Session pid=2108: Authentication complete with return value 0: Success [+72.16s] DEBUG: Authenticate result for user liveuser: Success [+72.16s] DEBUG: User liveuser authorized [+91.77s] DEBUG: Greeter sets language en_US.utf8 [+91.91s] DEBUG: Greeter requests session xfce [+91.91s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session [+98.57s] DEBUG: Seat seat0 changes active session to [+100.81s] DEBUG: Seat seat0 changes active session to 3 >> Here, Log In is impossible << >> However, VT manually switched << >> Ctrl+Alt+F2 << >> Xsession loading << [+252.54s] DEBUG: Seat seat0 changes active session to c3 [+252.54s] DEBUG: Session c3 is already active [+258.49s] DEBUG: Seat seat0 changes active session to c2 [+258.49s] DEBUG: Activating session c2 [+258.60s] DEBUG: Greeter closed communication channel [+258.60s] DEBUG: Session pid=2025: Exited with return value 0 [+258.60s] DEBUG: Seat seat0: Session stopped [+258.60s] DEBUG: Seat seat0: Greeter stopped, running session [+258.60s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1 [+258.60s] CRITICAL: g_object_unref: assertion 'G_IS_OBJECT (object)' failed [+258.60s] DEBUG: Session pid=2108: Running command /etc/X11/xinit/Xsession startxfce4 [+258.60s] DEBUG: Creating shared data directory /var/lib/lightdm-data/liveuser [+258.60s] DEBUG: Session pid=2108: Logging to .xsession-errors [+258.62s] DEBUG: Activating VT 2 [+258.62s] DEBUG: Seat seat0: Stopping greeter [+258.62s] DEBUG: Session pid=2096: Sending SIGTERM [+258.62s] DEBUG: Activating login1 session 4 [+258.62s] DEBUG: Seat seat0 changes active session to [+258.62s] DEBUG: Seat seat0 changes active session to 4 [+258.62s] DEBUG: Session 4 is already active