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I just upgraded my system and now lightdm fails at startup, even tho when started manually it works perfectly fine.
Here is the output of it:
● lightdm.service - Light Display Manager
Loaded: loaded (/usr/lib/systemd/system/lightdm.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Thu 2020-06-18 12:40:38 CEST; 32s ago
Docs: man:lightdm(1)
Process: 673 ExecStart=/usr/bin/lightdm (code=exited, status=1/FAILURE)
Main PID: 673 (code=exited, status=1/FAILURE)
Jun 18 12:40:38 arch systemd[1]: lightdm.service: Scheduled restart job, restart counter is at 5.
Jun 18 12:40:38 arch systemd[1]: Stopped Light Display Manager.
Jun 18 12:40:38 arch systemd[1]: lightdm.service: Start request repeated too quickly.
Jun 18 12:40:38 arch systemd[1]: lightdm.service: Failed with result 'exit-code'.
Jun 18 12:40:38 arch systemd[1]: Failed to start Light Display Manager.The output of
sudo lightdm --test-mode --debug [+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.30.0, UID=0 PID=1740
[+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 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
[+0.00s] DEBUG: _g_io_module_get_default: Found default implementation local (GLocalVfs) for ?gio-vfs?
[+0.00s] DEBUG: Monitoring logind for seats
[+0.00s] DEBUG: New seat added from logind: seat0
[+0.00s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.00s] DEBUG: Seat seat0: Starting
[+0.00s] DEBUG: Seat seat0: Creating greeter session
[+0.00s] DEBUG: Seat seat0: Creating display server of type x
[+0.00s] DEBUG: posix_spawn avoided (fd close requested)
[+0.00s] DEBUG: Could not run plymouth --ping: Failed to execute child process ?plymouth? (No such file or directory)
[+0.00s] DEBUG: Using VT 7
[+0.00s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.00s] DEBUG: XServer 1: Logging to /var/log/lightdm/x-1.log
[+0.00s] DEBUG: XServer 1: Writing X server authority to /run/lightdm/root/:1
[+0.00s] DEBUG: XServer 1: Launching X Server
[+0.00s] DEBUG: Launching process 1746: /usr/bin/Xephyr :1 -seat seat0 -auth /run/lightdm/root/:1 -nolisten tcp vt7 -novtswitch
[+0.00s] DEBUG: XServer 1: Waiting for ready signal from X server :1
[+0.00s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.01s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.01s] DEBUG: User /org/freedesktop/Accounts/User1001 added
[+0.01s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.01s] DEBUG: posix_spawn avoided (automatic reaping requested) (fd close requested)
Failed to use bus name org.freedesktop.DisplayManager, do you have appropriate permissions?Does anybody have an idea what causes this?
Last edited by Stefan_xyz (2020-06-18 12:24:10)
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What is the contents of /var/log/lightdm/lightdm.log and /var/log/Xorg.0.log after lightdm failed on startup?
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ligthdm.log
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.30.0, UID=0 PID=665
[+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’
[+0.00s] DEBUG: Monitoring logind for seats
[+0.00s] DEBUG: New seat added from logind: seat0
[+0.00s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.00s] DEBUG: Seat seat0: Starting
[+0.00s] DEBUG: Seat seat0: Creating greeter session
[+0.00s] DEBUG: Seat seat0: Creating display server of type x
[+0.00s] DEBUG: posix_spawn avoided (fd close requested)
[+0.00s] DEBUG: Could not run plymouth --ping: Failed to execute child process “plymouth” (No such file or directory)
[+0.00s] DEBUG: Using VT 7
[+0.00s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.00s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+0.00s] DEBUG: XServer 0: Writing X server authority to /run/lightdm/root/:0
[+0.00s] DEBUG: XServer 0: Launching X Server
[+0.00s] DEBUG: Launching process 671: /usr/bin/X :0 -seat seat0 -auth /run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.00s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+0.00s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.00s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.00s] DEBUG: User /org/freedesktop/Accounts/User1001 added
[+0.01s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.02s] DEBUG: Process 671 exited with return value 1
[+0.02s] DEBUG: XServer 0: X server stopped
[+0.02s] DEBUG: Releasing VT 7
[+0.02s] DEBUG: XServer 0: Removing X server authority /run/lightdm/root/:0
[+0.02s] DEBUG: Seat seat0: Display server stopped
[+0.02s] DEBUG: Seat seat0: Stopping session
[+0.02s] DEBUG: Seat seat0: Session stopped
[+0.02s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+0.02s] DEBUG: Seat seat0: Stopping; greeter display server failed to start
[+0.02s] DEBUG: Seat seat0: Stopping
[+0.02s] DEBUG: Seat seat0: Stopped
[+0.02s] DEBUG: Required seat has stopped
[+0.02s] DEBUG: Stopping display manager
[+0.02s] DEBUG: Display manager stopped
[+0.02s] DEBUG: Stopping daemon
[+0.02s] DEBUG: Exiting with return value 1Xorg.0.log
[ 4.702]
X.Org X Server 1.20.8
X Protocol Version 11, Revision 0
[ 4.702] Build Operating System: Linux Arch Linux
[ 4.702] Current Operating System: Linux arch 5.7.2-arch1-1 #1 SMP PREEMPT Wed, 10 Jun 2020 20:36:24 +0000 x86_64
[ 4.702] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=2e9cb740-7b56-49cc-a5e8-bb4e6b5b4045 rw loglevel=3 quiet
[ 4.702] Build Date: 05 May 2020 05:08:17AM
[ 4.702]
[ 4.702] Current version of pixman: 0.40.0
[ 4.702] Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
[ 4.702] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 4.702] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Jun 18 14:09:03 2020
[ 4.702] (==) Using config directory: "/etc/X11/xorg.conf.d"
[ 4.702] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 4.702] (==) No Layout section. Using the first Screen section.
[ 4.702] (==) No screen section available. Using defaults.
[ 4.702] (**) |-->Screen "Default Screen Section" (0)
[ 4.702] (**) | |-->Monitor "<default monitor>"
[ 4.702] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 4.702] (==) Automatically adding devices
[ 4.702] (==) Automatically enabling devices
[ 4.702] (==) Automatically adding GPU devices
[ 4.702] (==) Automatically binding GPU devices
[ 4.702] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 4.702] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/misc".
[ 4.702] Entry deleted from font path.
[ 4.702] (Run 'mkfontdir' on "/usr/share/fonts/misc").
[ 4.702] (WW) The directory "/usr/share/fonts/OTF" does not exist.
[ 4.702] Entry deleted from font path.
[ 4.702] (WW) The directory "/usr/share/fonts/Type1" does not exist.
[ 4.702] Entry deleted from font path.
[ 4.702] (==) FontPath set to:
/usr/share/fonts/TTF,
/usr/share/fonts/100dpi,
/usr/share/fonts/75dpi
[ 4.702] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 4.702] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 4.702] (II) Module ABI versions:
[ 4.702] X.Org ANSI C Emulation: 0.4
[ 4.702] X.Org Video Driver: 24.1
[ 4.702] X.Org XInput driver : 24.1
[ 4.702] X.Org Server Extension : 10.0
[ 4.703] (++) using VT number 7
[ 4.703] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[ 4.705] (--) PCI:*(0@0:2:0) 8086:591b:1558:6450 rev 4, Mem @ 0xdd000000/16777216, 0xa0000000/536870912, I/O @ 0x0000f000/64, BIOS @ 0x????????/131072
[ 4.705] (--) PCI: (1@0:0:0) 10de:1c8c:1558:6450 rev 161, Mem @ 0xde000000/16777216, 0xc0000000/268435456, 0xd0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[ 4.705] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[ 4.705] (II) LoadModule: "glx"
[ 4.705] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 4.706] (II) Module glx: vendor="X.Org Foundation"
[ 4.706] compiled for 1.20.8, module version = 1.0.0
[ 4.706] ABI class: X.Org Server Extension, version 10.0
[ 4.706] (==) Matched intel as autoconfigured driver 0
[ 4.706] (==) Matched modesetting as autoconfigured driver 1
[ 4.706] (==) Matched fbdev as autoconfigured driver 2
[ 4.706] (==) Matched vesa as autoconfigured driver 3
[ 4.706] (==) Assigned the driver to the xf86ConfigLayout
[ 4.706] (II) LoadModule: "intel"
[ 4.706] (WW) Warning, couldn't open module intel
[ 4.706] (EE) Failed to load module "intel" (module does not exist, 0)
[ 4.706] (II) LoadModule: "modesetting"
[ 4.706] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 4.706] (II) Module modesetting: vendor="X.Org Foundation"
[ 4.706] compiled for 1.20.8, module version = 1.20.8
[ 4.706] Module class: X.Org Video Driver
[ 4.706] ABI class: X.Org Video Driver, version 24.1
[ 4.706] (II) LoadModule: "fbdev"
[ 4.706] (WW) Warning, couldn't open module fbdev
[ 4.707] (EE) Failed to load module "fbdev" (module does not exist, 0)
[ 4.707] (II) LoadModule: "vesa"
[ 4.707] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[ 4.707] (II) Module vesa: vendor="X.Org Foundation"
[ 4.707] compiled for 1.20.8, module version = 2.4.0
[ 4.707] Module class: X.Org Video Driver
[ 4.707] ABI class: X.Org Video Driver, version 24.1
[ 4.707] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 4.707] (II) VESA: driver for VESA chipsets: vesa
[ 4.707] (EE) open /dev/dri/card0: No such file or directory
[ 4.707] (WW) Falling back to old probe method for modesetting
[ 4.707] (EE) open /dev/dri/card0: No such file or directory
[ 4.707] (EE) Screen 0 deleted because of no matching config section.
[ 4.707] (II) UnloadModule: "modesetting"
[ 4.707] (II) Loading sub module "vbe"
[ 4.707] (II) LoadModule: "vbe"
[ 4.707] (II) Loading /usr/lib/xorg/modules/libvbe.so
[ 4.707] (II) Module vbe: vendor="X.Org Foundation"
[ 4.707] compiled for 1.20.8, module version = 1.1.0
[ 4.707] ABI class: X.Org Video Driver, version 24.1
[ 4.707] (II) Loading sub module "int10"
[ 4.707] (II) LoadModule: "int10"
[ 4.707] (II) Loading /usr/lib/xorg/modules/libint10.so
[ 4.707] (II) Module int10: vendor="X.Org Foundation"
[ 4.707] compiled for 1.20.8, module version = 1.0.0
[ 4.707] ABI class: X.Org Video Driver, version 24.1
[ 4.707] (II) VESA(0): initializing int10
[ 4.708] (EE) VESA(0): V_BIOS address 0x0 out of range
[ 4.708] (II) UnloadModule: "vesa"
[ 4.708] (II) UnloadSubModule: "int10"
[ 4.708] (II) Unloading int10
[ 4.708] (II) UnloadSubModule: "vbe"
[ 4.708] (II) Unloading vbe
[ 4.708] (EE) Screen(s) found, but none have a usable configuration.
[ 4.708] (EE)
Fatal server error:
[ 4.708] (EE) no screens found(EE)
[ 4.708] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 4.708] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[ 4.708] (EE)
[ 4.708] (EE) Server terminated with error (1). Closing log file.Offline
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That worked thanks!
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