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LightDM not always starting

I'am really happy with my Artixlinux. What a great Distro! Luving it so far.
Ocasionally, when I boot, Im not shown to Lightdm. Instead I get a blank screen. I cant switch to tty, nor can I Ctrl+Esc or infact do anything else than hit the reset button. Max it took me 4 resets to finally be shown to lightdm where I could enter my users password and sea my desktop. Any ideas?
I use the LXDE openbox with kernel 5.7.6. I have installed the 440 nvidia drivers for my GTX 1050. Also Im on a 128GB SSD and I use AMD FX(tm)-8320 Eight-Core processor.

Re: LightDM not always starting

Reply #1 –
Possibly some race condition when you start up your services? Although I wouldn't expect tty switching to break in this case. Could you test to see if it happens if you manually startup lightdm from tty1 instead of having it automatically start on boot?

Edit: Oh I also see that you are using nvidia. That's another potential failing point here.
 

Re: LightDM not always starting

Reply #2 –
This was from the very beginings. Not after installing nvidia. Should I post dump of some log file? Which one?
What I noticed after installing nvidia is that the boot sequence, after Grub, while loading runlevel programs, the resolution was not as good as before nvidia drivers. Fonts are blurry, and everything is a bit bigger. So yeah, nvidia messes up the "niceness" of the previous, slick boot experience.

Re: LightDM not always starting

Reply #3 –
What do you mean "this was from the very beginning"? Were you using the nouveau driver before and had the same issue? If so, then that would rule out nvidia being the issue here.

I don't remember where Xorg keeps logs these days. I think there should be some logs in ~/.local/share/Xorg that may be useful.

Re: LightDM not always starting

Reply #5 –
Scanning through quickly, but didn't notice, which init system are you using?

Re: LightDM not always starting

Reply #6 –
runit

Re: LightDM not always starting

Reply #7 –
I’d first post the xorg log in a pastebin service and see what it says. Also have you tried another DM besides lightdm to test if a different would give issue as well?

Re: LightDM not always starting

Reply #8 –
Quote from: ndowens – on
Scanning through quickly, but didn't notice, which init system are you using?

Ok, this is my lightdm.log. There are some warnings, but. Not sure if of any importance.
Code: [Select]
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.30.0, UID=0 PID=1440
[+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: Registered seat module local
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: _g_io_module_get_default: Found default implementation local (GLocalVfs) for ‘gio-vfs’
[+0.59s] DEBUG: Monitoring logind for seats
[+0.59s] DEBUG: New seat added from logind: seat0
[+0.59s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.59s] DEBUG: Seat seat0: Starting
[+0.59s] DEBUG: Seat seat0: Creating greeter session
[+0.59s] DEBUG: Seat seat0: Creating display server of type x
[+0.59s] DEBUG: posix_spawn avoided (fd close requested) 
[+0.59s] DEBUG: Could not run plymouth --ping: Failed to execute child process “plymouth” (No such file or directory)
[+0.59s] DEBUG: Using VT 7
[+0.59s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.59s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+0.59s] DEBUG: XServer 0: Writing X server authority to /run/lightdm/root/:0
[+0.59s] DEBUG: XServer 0: Launching X Server
[+0.59s] DEBUG: Launching process 1463: /usr/bin/X :0 -seat seat0 -auth /run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.59s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+0.59s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.59s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.59s] 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
[+0.60s] DEBUG: Loading user config from /etc/lightdm/users.conf
[+0.60s] DEBUG: User ton11 added
[+0.60s] DEBUG: User dawid added
[+2.17s] DEBUG: Got signal 10 from process 1463
[+2.17s] DEBUG: XServer 0: Got signal from X server :0
[+2.17s] DEBUG: XServer 0: Connecting to XServer :0
[+2.17s] DEBUG: posix_spawn avoided (fd close requested) (child_setup specified) 
[+2.17s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+2.17s] DEBUG: Session pid=1474: Started with service 'lightdm-greeter', username 'lightdm'
[+2.19s] DEBUG: Session pid=1474: Authentication complete with return value 0: Success
[+2.19s] DEBUG: Seat seat0: Session authenticated, running command
[+2.19s] DEBUG: Session pid=1474: Running command /usr/bin/lightdm-gtk-greeter
[+2.19s] DEBUG: Creating shared data directory /var/lib/lightdm-data/lightdm
[+2.19s] DEBUG: Session pid=1474: Logging to /var/log/lightdm/seat0-greeter.log
[+2.19s] DEBUG: Activating VT 7
[+2.50s] DEBUG: Greeter connected version=1.30.0 api=1 resettable=false
[+2.81s] DEBUG: Greeter start authentication for ton11
[+2.81s] DEBUG: Session pid=1498: Started with service 'lightdm', username 'ton11'
[+2.83s] DEBUG: Session pid=1498: Got 1 message(s) from PAM
[+2.83s] DEBUG: Prompt greeter with 1 message(s)
[+10.35s] DEBUG: Continue authentication
[+12.08s] DEBUG: Session pid=1498: Authentication complete with return value 7: Authentication failure
[+12.08s] DEBUG: Authenticate result for user ton11: Authentication failure
[+12.09s] DEBUG: Session pid=1498: Exited with return value 1
[+12.09s] DEBUG: Seat seat0: Session stopped
[+12.12s] DEBUG: Greeter start authentication for ton11
[+12.12s] DEBUG: Session pid=1516: Started with service 'lightdm', username 'ton11'
[+12.13s] DEBUG: Session pid=1516: Got 1 message(s) from PAM
[+12.13s] DEBUG: Prompt greeter with 1 message(s)
[+15.79s] DEBUG: Continue authentication
[+15.86s] DEBUG: Session pid=1516: Authentication complete with return value 0: Success
[+15.86s] DEBUG: Authenticate result for user ton11: Success
[+15.86s] DEBUG: User ton11 authorized
[+15.88s] DEBUG: Greeter requests session dwm
[+15.88s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used for user session
[+15.88s] DEBUG: Session pid=1474: Sending SIGTERM
[+15.90s] DEBUG: Greeter closed communication channel
[+15.90s] DEBUG: Session pid=1474: Exited with return value 0
[+15.90s] DEBUG: Seat seat0: Session stopped
[+15.90s] DEBUG: Seat seat0: Greeter stopped, running session
[+15.90s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0
[+15.90s] DEBUG: posix_spawn avoided (fd close requested) (child_setup specified) 
[+15.90s] DEBUG: Session pid=1516: Running command /etc/lightdm/Xsession /usr/local/bin/dwm
[+15.90s] DEBUG: Creating shared data directory /var/lib/lightdm-data/ton11
[+15.90s] DEBUG: Session pid=1516: Logging to .xsession-errors
[+15.91s] DEBUG: Activating VT 7
[+15.91s] DEBUG: Activating login1 session 1
[+15.91s] DEBUG: Seat seat0 changes active session to 1
[+15.91s] DEBUG: Session 1 is already active

this one is also from /var/log/lightdm/
the x-1.log.old
Code: [Select]
X.Org X Server 1.20.8
X Protocol Version 11, Revision 0
Build Operating System: Linux Artix Linux
Current Operating System: Linux ton11pc 5.7.6-artix1-1 #1 SMP PREEMPT Thu, 25 Jun 2020 16:01:13 +0000 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=/dev/sda2 rw net.ifnames=0 quiet resume=UUID=9d66b041-0afc-4396-b933-617105dc6226
Build Date: 05 May 2020  11:15:38AM
 
Current version of pixman: 0.40.0
	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.1.log", Time: Mon Jul 13 22:42:51 2020
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(EE) 
Fatal server error:
(EE) no screens found(EE) 
(EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
(EE) Please also check the log file at "/var/log/Xorg.1.log" for additional information.
(EE) 
(EE) Server terminated with error (1). Closing log file.
this is getting interesting...

and finally, the Xorg.1.log.old
Code: [Select]
[    28.922] (WW) Failed to open protocol names file lib/xorg/protocol.txt
[    28.923] 
X.Org X Server 1.20.8
X Protocol Version 11, Revision 0
[    28.923] Build Operating System: Linux Artix Linux
[    28.923] Current Operating System: Linux ton11pc 5.7.6-artix1-1 #1 SMP PREEMPT Thu, 25 Jun 2020 16:01:13 +0000 x86_64
[    28.923] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=/dev/sda2 rw net.ifnames=0 quiet resume=UUID=9d66b041-0afc-4396-b933-617105dc6226
[    28.923] Build Date: 05 May 2020  11:15:38AM
[    28.923]  
[    28.923] Current version of pixman: 0.40.0
[    28.923] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[    28.923] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    28.923] (==) Log file: "/var/log/Xorg.1.log", Time: Mon Jul 13 22:42:51 2020
[    28.923] (==) Using config file: "/etc/X11/xorg.conf"
[    28.923] (==) Using config directory: "/etc/X11/xorg.conf.d"
[    28.923] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    28.923] (==) ServerLayout "Layout0"
[    28.923] (**) |-->Screen "Screen0" (0)
[    28.923] (**) |   |-->Monitor "Monitor0"
[    28.924] (**) |   |-->Device "Device0"
[    28.924] (**) |-->Input Device "Keyboard0"
[    28.924] (**) |-->Input Device "Mouse0"
[    28.924] (==) Automatically adding devices
[    28.924] (==) Automatically enabling devices
[    28.924] (==) Automatically adding GPU devices
[    28.924] (==) Automatically binding GPU devices
[    28.924] (==) Max clients allowed: 256, resource mask: 0x1fffff
[    28.924] (WW) The directory "/usr/share/fonts/OTF" does not exist.
[    28.924] 	Entry deleted from font path.
[    28.924] (WW) The directory "/usr/share/fonts/Type1" does not exist.
[    28.924] 	Entry deleted from font path.
[    28.924] (WW) The directory "/usr/share/fonts/100dpi" does not exist.
[    28.924] 	Entry deleted from font path.
[    28.924] (WW) The directory "/usr/share/fonts/75dpi" does not exist.
[    28.924] 	Entry deleted from font path.
[    28.924] (==) FontPath set to:
	/usr/share/fonts/misc,
	/usr/share/fonts/TTF
[    28.924] (==) ModulePath set to "/usr/lib/xorg/modules"
[    28.924] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
[    28.924] (WW) Disabling Keyboard0
[    28.924] (WW) Disabling Mouse0
[    28.924] (II) Module ABI versions:
[    28.924] 	X.Org ANSI C Emulation: 0.4
[    28.924] 	X.Org Video Driver: 24.1
[    28.924] 	X.Org XInput driver : 24.1
[    28.924] 	X.Org Server Extension : 10.0
[    28.925] (++) using VT number 7

[    28.925] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[    28.925] (II) xfree86: Adding drm device (/dev/dri/card0)
[    28.929] (**) OutputClass "nvidia" ModulePath extended to "/usr/lib/nvidia/xorg,/usr/lib/xorg/modules,/usr/lib/xorg/modules"
[    28.933] (--) PCI:*(1@0:0:0) 10de:1c81:1458:372b rev 161, Mem @ 0xfd000000/16777216, 0xc0000000/268435456, 0xd0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/131072
[    28.933] (II) Open ACPI successful (/var/run/acpid.socket)
[    28.933] (II) LoadModule: "glx"
[    28.934] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[    28.937] (II) Module glx: vendor="X.Org Foundation"
[    28.937] 	compiled for 1.20.8, module version = 1.0.0
[    28.937] 	ABI class: X.Org Server Extension, version 10.0
[    28.937] (II) LoadModule: "nvidia"
[    28.937] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[    28.938] (II) Module nvidia: vendor="NVIDIA Corporation"
[    28.938] 	compiled for 1.6.99.901, module version = 1.0.0
[    28.938] 	Module class: X.Org Video Driver
[    28.938] (II) NVIDIA dlloader X Driver  440.100  Fri May 29 08:21:27 UTC 2020
[    28.938] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[    28.938] (II) Loading sub module "fb"
[    28.938] (II) LoadModule: "fb"
[    28.939] (II) Loading /usr/lib/xorg/modules/libfb.so
[    28.939] (II) Module fb: vendor="X.Org Foundation"
[    28.939] 	compiled for 1.20.8, module version = 1.0.0
[    28.939] 	ABI class: X.Org ANSI C Emulation, version 0.4
[    28.939] (II) Loading sub module "wfb"
[    28.939] (II) LoadModule: "wfb"
[    28.939] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    28.940] (II) Module wfb: vendor="X.Org Foundation"
[    28.940] 	compiled for 1.20.8, module version = 1.0.0
[    28.940] 	ABI class: X.Org ANSI C Emulation, version 0.4
[    28.940] (II) Loading sub module "ramdac"
[    28.940] (II) LoadModule: "ramdac"
[    28.940] (II) Module "ramdac" already built-in
[    28.940] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
[    28.940] (==) NVIDIA(0): RGB weight 888
[    28.940] (==) NVIDIA(0): Default visual is TrueColor
[    28.940] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[    28.940] (II) Applying OutputClass "nvidia" options to /dev/dri/card0
[    28.940] (**) NVIDIA(0): Option "AllowEmptyInitialConfiguration"
[    28.941] (**) NVIDIA(0): Enabling 2D acceleration
[    28.941] (II) Loading sub module "glxserver_nvidia"
[    28.941] (II) LoadModule: "glxserver_nvidia"
[    28.941] (II) Loading /usr/lib/nvidia/xorg/libglxserver_nvidia.so
[    28.957] (II) Module glxserver_nvidia: vendor="NVIDIA Corporation"
[    28.957] 	compiled for 1.6.99.901, module version = 1.0.0
[    28.957] 	Module class: X.Org Server Extension
[    28.957] (II) NVIDIA GLX Module  440.100  Fri May 29 08:19:01 UTC 2020
[    28.957] (II) NVIDIA: The X server supports PRIME Render Offload.
[    28.959] (--) NVIDIA(0): Valid display device(s) on GPU-0 at PCI:1:0:0
[    28.959] (--) NVIDIA(0):     DFP-0 (boot)
[    28.959] (--) NVIDIA(0):     DFP-1
[    28.959] (--) NVIDIA(0):     DFP-2
[    28.959] (--) NVIDIA(0):     DFP-3
[    28.959] (--) NVIDIA(0):     DFP-4
[    28.959] (--) NVIDIA(0):     DFP-5
[    28.962] (II) NVIDIA(0): NVIDIA GPU GeForce GTX 1050 (GP107-A) at PCI:1:0:0 (GPU-0)
[    28.962] (--) NVIDIA(0): Memory: 2097152 kBytes
[    28.962] (--) NVIDIA(0): VideoBIOS: 86.07.39.00.e0
[    28.962] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[    28.962] (EE) NVIDIA(GPU-0): Failed to acquire modesetting permission.
[    28.962] (EE) NVIDIA(0): Failing initialization of X screen
[    28.963] (II) UnloadModule: "nvidia"
[    28.963] (II) UnloadSubModule: "glxserver_nvidia"
[    28.963] (II) Unloading glxserver_nvidia
[    28.963] (II) UnloadSubModule: "wfb"
[    28.963] (II) UnloadSubModule: "fb"
[    28.963] (EE) Screen(s) found, but none have a usable configuration.
[    28.963] (EE) 
Fatal server error:
[    28.963] (EE) no screens found(EE) 
[    28.963] (EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[    28.963] (EE) Please also check the log file at "/var/log/Xorg.1.log" for additional information.
[    28.963] (EE) 
[    28.968] (EE) Server terminated with error (1). Closing log file.

NVIDIA(GPU-0): Failed to acquire modesetting permission.
Seams like this might be the culprit. Does anyone know what can one do in this situatuon?

Re: LightDM not always starting

Reply #10 –
Sorry, but another problem accured today while I was installing(neomutt, no relevant) and updatego everything with -Syu. This, apparently made my nvidia driver not being able to load. So not directly connected to the topic. This nvidia entries in the log file i posted were just misleading coincidence of todays actions.

Re: LightDM not always starting

Reply #11 –
Code: [Select]
cat /var/log/auth.log|grep lightdm

Re: LightDM not always starting

Reply #13 –
У меня такая же проблема, но появляется реже. Недавно поймал этот баг снова.
Что и где искать я не знаю.
У меня нет желания ставить LXDM.
Code: [Select]
$ lightdm --test-mode --debug
[+0.00s] DEBUG: Logging to /home/taco/.cache/lightdm/log/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.30.0, UID=1000 PID=10312
[+0.00s] DEBUG: Loading configuration dirs from /var/lib/menu-xdg/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /usr/share/gdm/lightdm/lightdm.conf.d
[+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: Running in user mode
[+0.00s] DEBUG: Using Xephyr for X servers
[+0.00s] DEBUG: Registered seat module local
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.01s] DEBUG: _g_io_module_get_default: Found default implementation gvfs (GDaemonVfs) for ?gio-vfs?
[+0.02s] DEBUG: Monitoring logind for seats
[+0.02s] DEBUG: New seat added from logind: seat0
[+0.02s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.02s] DEBUG: Seat seat0: Starting
[+0.02s] DEBUG: Seat seat0: Creating greeter session
[+0.02s] 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
[+0.02s] DEBUG: Loading user config from /etc/lightdm/users.conf
[+0.02s] DEBUG: User taco added
[+0.02s] DEBUG: Seat seat0: Creating display server of type x
[+0.02s] DEBUG: posix_spawn avoided (fd close requested) 
[+0.02s] DEBUG: Could not run plymouth --ping: Failed to execute child process ?plymouth? (No such file or directory)
[+0.02s] DEBUG: Seat seat0: Starting local X display
[+0.02s] DEBUG: XServer 3: Logging to /home/taco/.cache/lightdm/log/x-3.log
[+0.02s] DEBUG: XServer 3: Writing X server authority to /run/lightdm/root/:3
[+0.02s] WARNING: Error reading existing Xauthority: Failed to open file ?/run/lightdm/root/:3?: Permission denied
[+0.02s] WARNING: XServer 3: Failed to write authority: Failed to open X authority /run/lightdm/root/:3: Permission denied
[+0.02s] DEBUG: XServer 3: Launching X Server
[+0.02s] DEBUG: Launching process 10317: /usr/bin/Xephyr :3 -seat seat0 -auth /run/lightdm/root/:3 -nolisten tcp
[+0.02s] DEBUG: XServer 3: Waiting for ready signal from X server :3
[+0.02s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.02s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.02s] WARNING: Could not enumerate user data directory /var/lib/lightdm-data: Error opening directory '/var/lib/lightdm-data': Permission denied
[+2.47s] DEBUG: Got signal 10 from process 10317
[+2.47s] DEBUG: XServer 3: Got signal from X server :3
[+2.47s] DEBUG: XServer 3: Connecting to XServer :3
[+2.48s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+2.48s] DEBUG: Session: Not setting XDG_VTNR
[+2.48s] DEBUG: Session pid=10377: Started with service 'lightdm-greeter', username 'taco'

** (process:10377): WARNING **: 17:29:00.128: 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
[+2.51s] DEBUG: Session pid=10377: Authentication complete with return value 0: Success
[+2.51s] DEBUG: Seat seat0: Session authenticated, running command
[+2.51s] DEBUG: Launching process 10381: /usr/bin/numlockx on
[+2.53s] DEBUG: Process 10381 exited with return value 0
[+2.53s] DEBUG: Seat seat0: Exit status of /usr/bin/numlockx on: 0
[+2.53s] DEBUG: Session pid=10377: Not setting XDG_VTNR
[+2.53s] DEBUG: Session pid=10377: Running command /usr/bin/lightdm-gtk-greeter
[+2.53s] DEBUG: Creating shared data directory /var/lib/lightdm-data/taco
[+2.53s] WARNING: Could not create user data directory /var/lib/lightdm-data/taco: Error creating directory /var/lib/lightdm-data/taco: Permission denied
[+2.53s] DEBUG: Session pid=10377: Logging to /home/taco/.cache/lightdm/log/seat0-greeter.log
[+2.89s] DEBUG: Greeter connected version=1.30.0 api=1 resettable=false
[+3.07s] DEBUG: Greeter start authentication for taco
[+3.07s] DEBUG: Session: Not setting XDG_VTNR
[+3.07s] DEBUG: Session pid=10414: Started with service 'lightdm', username 'taco'
[+3.10s] DEBUG: Session pid=10414: Got 1 message(s) from PAM
[+3.10s] DEBUG: Prompt greeter with 1 message(s)

^C[+12.61s] DEBUG: Got signal 2 from process 0
[+12.61s] DEBUG: Caught Interrupt signal, shutting down
[+12.61s] DEBUG: Stopping display manager
[+12.61s] DEBUG: Seat seat0: Stopping
[+12.61s] DEBUG: Seat seat0: Stopping display server
[+12.61s] DEBUG: Sending signal 15 to process 10317
[+12.61s] DEBUG: Seat seat0: Stopping session
[+12.61s] DEBUG: Session pid=10377: Sending SIGTERM
[+12.61s] DEBUG: Seat seat0: Stopping session
[+12.61s] DEBUG: Session pid=10414: Sending SIGTERM
[+12.61s] DEBUG: Session pid=10414: Terminated with signal 2
[+12.61s] DEBUG: Session: Failed during authentication
[+12.61s] DEBUG: Seat seat0: Session stopped
[+12.61s] DEBUG: Session pid=10377: Terminated with signal 2
[+12.61s] DEBUG: Seat seat0: Session stopped
[+12.79s] DEBUG: Process 10317 exited with return value 0
[+12.79s] DEBUG: XServer 3: X server stopped
[+12.79s] DEBUG: XServer 3: Removing X server authority /run/lightdm/root/:3
[+12.79s] DEBUG: Seat seat0: Display server stopped
[+12.79s] DEBUG: Seat seat0: Stopped
[+12.79s] DEBUG: Display manager stopped
[+12.79s] DEBUG: Stopping daemon
[+12.80s] DEBUG: Exiting with return value 0

Xorg.2.log (частично)
Code: [Select]
[  4675.854] (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-3ms), your system is too slow
[  4752.861] (EE) client bug: timer event3 debounce: scheduled expiry is in the past (-43ms), your system is too slow
[  4752.861] (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-56ms), your system is too slow
[  4874.923] (EE) client bug: timer event3 debounce: scheduled expiry is in the past (-25ms), your system is too slow
[  4878.923] (EE) client bug: timer event3 debounce: scheduled expiry is in the past (-97ms), your system is too slow
[  4878.923] (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-110ms), your system is too slow
[  4889.876] (EE) client bug: timer event3 debounce: scheduled expiry is in the past (-43ms), your system is too slow
[  4917.866] (EE) client bug: timer event3 debounce: scheduled expiry is in the past (-16ms), your system is too slow
[  5446.851] (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-8ms), your system is too slow
[  5554.819] (EE) client bug: timer event3 debounce: scheduled expiry is in the past (-1ms), your system is too slow
[  5554.819] (EE) client bug: timer event3 debounce short: scheduled expiry is in the past (-14ms), your system is too slow