Devuan bug report logs - #529
lightdm: on login, lightdm starts a second xserver on the next tty, with mirrored xsession

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From: "Devuan bug Tracking System" <owner@bugs.devuan.org>
To: Florian Zieboll <f.zieboll@web.de>
Subject: bug#529 closed by dak@devuan.org (#529: fixed in src:lightdm
 version 1.26.0-4+devuan2)
Message-ID: <handler.529.D529.161038080132021.notifdone@bugs.devuan.org>
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 <160717998484.10741.5721092043777246444.reportbug@localhost>
X-Devuan-PR-Message: they-closed 529
X-Devuan-PR-Package: lightdm
Reply-To: 529@bugs.devuan.org
Date: Mon, 11 Jan 2021 16:03:04 +0000
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This is an automatic notification regarding your bug report
which was filed against the lightdm package:

#529: lightdm: on login, lightdm starts a second xserver on the next tty, with mirrored xsession

It has been closed by dak@devuan.org.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact dak@devuan.org by
replying to this email.


-- 
529: https://bugs.devuan.org/cgi/bugreport.cgi?bug=529
Devuan Bug Tracking System
Contact owner@bugs.devuan.org with problems

[Message part 2 (message/rfc822, inline)]

From: dak@devuan.org

To: 529-done@bugs.devuan.org

Subject: #529: fixed in src:lightdm version 1.26.0-4+devuan2

Date: Mon, 11 Jan 2021 15:53:11 +0000

Version: 1.26.0-4+devuan2

Source package lightdm (1.26.0-4+devuan2) added to Devuan suite beowulf.

This closes bug report 529.

Thanks

DAK managing the Devuan archive

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Sat, 09 Jan 2021 19:55:44 -0500
Source: lightdm
Architecture: source
Version: 1.26.0-4+devuan2
Distribution: beowulf
Urgency: medium
Maintainer: Ben Stack <bgstack15@gmail.com>
Changed-By: Ben Stack <bgstack15@gmail.com>
Closes: 529
Changes:
 lightdm (1.26.0-4+devuan2) beowulf; urgency=medium
 .
   * Remove 'xserver-share=false' in d/01_debian.conf
     which was previously thought to assist with screen
     readers like orca. Screen readers will benefit from
     packages debian-pulseaudio-config-override and
     libpam-elogind. (closes: #529)
Checksums-Sha1:
 b49474eb7ccedef392a26ac55dfa91d637a0b045 2383 lightdm_1.26.0-4+devuan2.dsc
 125a2e4b4b7ad61551d409c5ed2417da2d589cac 38836 lightdm_1.26.0-4+devuan2.debian.tar.xz
 7b9d1038febf4929d73cd08f2b51ec47bdb980f8 5303 lightdm_1.26.0-4+devuan2_source.buildinfo
Checksums-Sha256:
 7c8bd86c72133f161c64646fbb40eb212c66c21c5c0afb6e606a9622d322b6c3 2383 lightdm_1.26.0-4+devuan2.dsc
 a0d6667b217f6f5d0a924a07af6c1afdba1952a72f68a43fb9391f2b52de9b93 38836 lightdm_1.26.0-4+devuan2.debian.tar.xz
 71c859a117d708206a025421eb9ec30aa4179dcf8ddec1e723b453b00e8d9c1f 5303 lightdm_1.26.0-4+devuan2_source.buildinfo
Files:
 795efc88e719e6a5963118a97f048d9d 2383 x11 optional lightdm_1.26.0-4+devuan2.dsc
 7b8515e0c3177d64df5aba5e43696956 38836 x11 optional lightdm_1.26.0-4+devuan2.debian.tar.xz
 11ecebf8f641837583938e94e1818fd8 5303 x11 optional lightdm_1.26.0-4+devuan2_source.buildinfo

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[Message part 3 (message/rfc822, inline)]

From: Florian Zieboll <f.zieboll@web.de>

To: Devuan Bug Tracking System <submit@bugs.devuan.org>

Subject: lightdm: on login, lightdm starts a second xserver on the next tty, with mirrored xsession

Date: Sat, 05 Dec 2020 15:53:04 +0100

Package: lightdm
Version: 1.26.0-4+devuan1
Severity: normal

Hello,

after installing beowulf-proposed-updates on my lxqt-beowulf computer, when
logging in at the lightdm (1.26.0-4+devuan1) logon screen (tty7), a second
xserver gets startetd on tty8, which mirrors the xsession on tty7. Going back
to tty7, I have to (lightdm-)login again to the running xsession. After further
tty switching, the xserver0 on tty7 exits, while xserver1 on tty8 still serves
the "common" Desktop. Now the system is stable as before the update, with the
Desktop session running on tty8, while tty7 is not available.

The issue can be reproduced reliably, a downgrade of lightdm to the "beowulf
main" version (1.26.0-4) resolves it.

Steps to reproduce (with respective time in the attached lightdm.log):


1.) restart lightdm (init.d) +0.00s (12:20, see lightdm/x-0.log.old,
seat0-greeter.log.old):
                tty7 [gtk-greeter] -> tty8 [n/a]

2.) login @tty7 as "florian" [Desktop] +44.08s
                        [+48.59s] second xserver started (12:21, see
lightdm/x-1.log)

3.) switch from tty7 [Desktop] -> tty8 [Desktop, mirrored] ca. +120s

4.) switch from tty8 [Desktop] -> tty7 [gtk-greeter, one flicker] +235.23s
(12:24, see lightdm/x-0.log, end of seat0-greeter.log.old, beginning of
seat0-greeter.log)

5.) login #2 @tty7 [Desktop, mirrored] +386.28s

6.) switch from tty7 [Desktop] -> tty8 [Desktop, mirrored] ca. +500s

7.) switch from tty8 [Desktop] -> tty7 [n/a] ca. +620s

8.) switch around and find every thing stable, with the desktop running on tty8


When I do the second login @tty7 at 5.) with another user, the session gets
started, but always after returning to tty7 from another tty, the gtk-greeter
is presented. In the meantime, the first user's session on tty8 remains
unlocked.




# uname -a
Linux nulldevice.lan 4.19.0-13-amd64 #1 SMP Debian 4.19.160-2 (2020-11-28)
x86_64 GNU/Linux




# cat /etc/apt/sources.list
deb http://pkgmaster.devuan.org/merged beowulf main non-free contrib
deb http://pkgmaster.devuan.org/merged beowulf-security main non-free contrib
deb http://pkgmaster.devuan.org/merged beowulf-updates main non-free contrib
deb http://pkgmaster.devuan.org/merged beowulf-backports main non-free contrib
deb http://security.debian.org/debian-security buster/updates main non-free
contrib
deb http://pkgmaster.devuan.org/merged beowulf-proposed-updates main




# dpkg -l *lightdm*
---snip---
ii  liblightdm-gobject-1-0:amd64    1.26.0-4+devuan1    amd64
ii  lightdm                         1.26.0-4+devuan1    amd64
un  lightdm-greeter                 <none>              <none>
ii  lightdm-gtk-greeter             2.0.6-1             amd64




# cat /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.26.0, UID=0 PID=4594
[+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/01_debian.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
[+0.00s] 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
/var/run/lightdm/root/:0
[+0.00s] DEBUG: XServer 0: Launching X Server
[+0.00s] DEBUG: Launching process 4610: /usr/bin/X :0 -seat seat0 -auth
/var/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] 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
[+0.00s] DEBUG: Loading user config from /etc/lightdm/users.conf
[+0.00s] DEBUG: User florian added
[+0.00s] DEBUG: User administrator added
[+0.00s] DEBUG: User gast added
[+0.00s] DEBUG: posix_spawn avoided (automatic reaping requested) (fd close
requested)
[+0.01s] DEBUG: Seat seat0 changes active session to
[+0.37s] DEBUG: Got signal 10 from process 4610
[+0.37s] DEBUG: XServer 0: Got signal from X server :0
[+0.37s] DEBUG: XServer 0: Connecting to XServer :0
[+0.37s] DEBUG: posix_spawn avoided (fd close requested) (child_setup
specified)
[+0.37s] DEBUG: Seat seat0: Display server ready, starting session
authentication
[+0.37s] DEBUG: Session pid=4630: Started with service 'lightdm-greeter',
username 'lightdm'
[+0.39s] DEBUG: Session pid=4630: Authentication complete with return value 0:
Success
[+0.39s] DEBUG: Seat seat0: Session authenticated, running command
[+0.39s] DEBUG: Session pid=4630: Running command /usr/sbin/lightdm-gtk-greeter
[+0.39s] DEBUG: Creating shared data directory /var/lib/lightdm/data/lightdm
[+0.39s] DEBUG: Session pid=4630: Logging to /var/log/lightdm/seat0-greeter.log
[+0.40s] DEBUG: Activating VT 7
[+0.51s] DEBUG: Greeter connected version=1.26.0 api=1 resettable=false
[+0.67s] DEBUG: Greeter start authentication
[+0.67s] DEBUG: Session pid=4661: Started with service 'lightdm', username
'(null)'
[+0.67s] DEBUG: Session pid=4661: Got 1 message(s) from PAM
[+0.67s] DEBUG: Prompt greeter with 1 message(s)
[+44.08s] DEBUG: Greeter start authentication for florian
[+44.08s] DEBUG: Session pid=4661: Sending SIGTERM
[+44.09s] DEBUG: Session pid=4664: Started with service 'lightdm', username
'florian'
[+44.09s] DEBUG: Session pid=4661: Terminated with signal 15
[+44.09s] DEBUG: Session: Failed during authentication
[+44.09s] DEBUG: Seat seat0: Session stopped
[+44.09s] DEBUG: Session pid=4664: Got 1 message(s) from PAM
[+44.09s] DEBUG: Prompt greeter with 1 message(s)
[+48.56s] DEBUG: Continue authentication
[+48.57s] DEBUG: Session pid=4664: Authentication complete with return value 0:
Success
[+48.57s] DEBUG: Authenticate result for user florian: Success
[+48.57s] DEBUG: User florian authorized
[+48.59s] DEBUG: Greeter requests session lxqt
[+48.59s] DEBUG: Seat seat0: Creating display server of type x
[+48.59s] DEBUG: Using VT 8
[+48.59s] DEBUG: Seat seat0: Starting local X display on VT 8
[+48.59s] DEBUG: XServer 1: Logging to /var/log/lightdm/x-1.log
[+48.59s] DEBUG: XServer 1: Writing X server authority to
/var/run/lightdm/root/:1
[+48.59s] DEBUG: XServer 1: Launching X Server
[+48.59s] DEBUG: Launching process 4667: /usr/bin/X :1 -seat seat0 -auth
/var/run/lightdm/root/:1 -nolisten tcp vt8 -novtswitch
[+48.59s] DEBUG: XServer 1: Waiting for ready signal from X server :1
[+49.41s] DEBUG: Got signal 10 from process 4667
[+49.41s] DEBUG: XServer 1: Got signal from X server :1
[+49.41s] DEBUG: XServer 1: Connecting to XServer :1
[+49.41s] DEBUG: posix_spawn avoided (fd close requested) (child_setup
specified)
[+49.41s] DEBUG: Seat seat0: Display server ready, running session
[+49.41s] DEBUG: Registering session with bus path
/org/freedesktop/DisplayManager/Session0
[+49.41s] DEBUG: posix_spawn avoided (fd close requested) (child_setup
specified)
[+49.41s] DEBUG: Session pid=4664: Running command /etc/X11/Xsession startlxqt
[+49.41s] DEBUG: Creating shared data directory /var/lib/lightdm/data/florian
[+49.41s] DEBUG: Session pid=4664: Logging to .xsession-errors
[+49.43s] DEBUG: Activating VT 8
[+49.43s] DEBUG: Seat seat0: Stopping greeter
[+49.43s] DEBUG: Session pid=4630: Sending SIGTERM
[+235.23s] DEBUG: Greeter closed communication channel
[+235.23s] DEBUG: Session pid=4630: Exited with return value 0
[+235.23s] DEBUG: Seat seat0: Session stopped
[+235.23s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+235.23s] DEBUG: Sending signal 15 to process 4610
[+235.52s] DEBUG: Process 4610 exited with return value 0
[+235.52s] DEBUG: XServer 0: X server stopped
[+235.52s] DEBUG: Releasing VT 7
[+235.52s] DEBUG: XServer 0: Removing X server authority
/var/run/lightdm/root/:0
[+235.52s] DEBUG: Seat seat0: Display server stopped
[+235.52s] DEBUG: Seat seat0: Active display server stopped, starting greeter
[+235.52s] DEBUG: Seat seat0: Creating greeter session
[+235.52s] DEBUG: Seat seat0: Creating display server of type x
[+235.52s] DEBUG: Using VT 7
[+235.52s] DEBUG: Seat seat0: Starting local X display on VT 7
[+235.52s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+235.52s] DEBUG: XServer 0: Writing X server authority to
/var/run/lightdm/root/:0
[+235.52s] DEBUG: XServer 0: Launching X Server
[+235.52s] DEBUG: Launching process 4862: /usr/bin/X :0 -seat seat0 -auth
/var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+235.52s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+236.02s] DEBUG: Got signal 10 from process 4862
[+236.02s] DEBUG: XServer 0: Got signal from X server :0
[+236.02s] DEBUG: XServer 0: Connecting to XServer :0
[+236.02s] DEBUG: posix_spawn avoided (fd close requested) (child_setup
specified)
[+236.02s] DEBUG: Seat seat0: Display server ready, starting session
authentication
[+236.02s] DEBUG: Session pid=4873: Started with service 'lightdm-greeter',
username 'lightdm'
[+236.02s] DEBUG: Session pid=4873: Authentication complete with return value
0: Success
[+236.02s] DEBUG: Seat seat0: Session authenticated, running command
[+236.02s] DEBUG: Session pid=4873: Running command /usr/sbin/lightdm-gtk-
greeter
[+236.02s] DEBUG: Creating shared data directory /var/lib/lightdm/data/lightdm
[+236.02s] DEBUG: Session pid=4873: Logging to
/var/log/lightdm/seat0-greeter.log
[+236.02s] DEBUG: Activating VT 7
[+236.12s] DEBUG: Greeter connected version=1.26.0 api=1 resettable=false
[+236.27s] DEBUG: Greeter start authentication
[+236.27s] DEBUG: Session pid=4904: Started with service 'lightdm', username
'(null)'
[+236.27s] DEBUG: Session pid=4904: Got 1 message(s) from PAM
[+236.27s] DEBUG: Prompt greeter with 1 message(s)
[+386.28s] DEBUG: Greeter start authentication for florian
[+386.28s] DEBUG: Session pid=4904: Sending SIGTERM
[+386.29s] DEBUG: Session pid=4911: Started with service 'lightdm', username
'florian'
[+386.29s] DEBUG: Session pid=4904: Terminated with signal 15
[+386.29s] DEBUG: Session: Failed during authentication
[+386.29s] DEBUG: Seat seat0: Session stopped
[+386.29s] DEBUG: Session pid=4911: Got 1 message(s) from PAM
[+386.29s] DEBUG: Prompt greeter with 1 message(s)
[+391.03s] DEBUG: Continue authentication
[+391.04s] DEBUG: Session pid=4911: Authentication complete with return value
0: Success
[+391.04s] DEBUG: Authenticate result for user florian: Success
[+391.04s] DEBUG: User florian authorized
[+391.06s] DEBUG: Greeter requests session lxqt
[+391.06s] DEBUG: Seat seat0: Returning to existing user session florian
[+391.06s] DEBUG: Activating VT 8
[+391.28s] DEBUG: Seat seat0: Stopping greeter
[+391.28s] DEBUG: Session pid=4873: Sending SIGTERM
[+391.28s] DEBUG: Session pid=4911: Exited with return value 0
[+391.28s] DEBUG: Seat seat0: Session stopped
[+391.29s] DEBUG: Greeter closed communication channel
[+391.29s] DEBUG: Session pid=4873: Exited with return value 0
[+391.29s] DEBUG: Seat seat0: Session stopped
[+391.29s] DEBUG: Seat seat0: Stopping display server, no sessions require it
[+391.29s] DEBUG: Sending signal 15 to process 4862
[+391.30s] DEBUG: Process 4862 exited with return value 0
[+391.30s] DEBUG: XServer 0: X server stopped
[+391.30s] DEBUG: Releasing VT 7
[+391.30s] DEBUG: XServer 0: Removing X server authority
/var/run/lightdm/root/:0
[+391.30s] DEBUG: Seat seat0: Display server stopped




# cat /var/log/lightdm/x-0.log.old     # original log has already been
overwritten, reconstructed from other run with estimated timestamp
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.19.0-12-amd64 x86_64 Debian
Current Operating System: Linux nulldevice.lan 4.19.0-13-amd64 #1 SMP Debian
4.19.160-2 (2020-11-28) x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-4.19.0-13-amd64
root=UUID=78517165-ff11-4b1b-b67d-a5b863d270c1 ro quiet noefi
Build Date: 01 December 2020  05:59:57PM
xorg-server 2:1.20.4-1+deb10u2 (https://www.debian.org/support)
Current version of pixman: 0.36.0
        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.0.log", Time: Sat Dec  5 12:20:xx 2020
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) Server terminated successfully (0). Closing log file.




# cat /var/log/lightdm/x-1.log
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.19.0-12-amd64 x86_64 Debian
Current Operating System: Linux nulldevice.lan 4.19.0-13-amd64 #1 SMP Debian
4.19.160-2 (2020-11-28) x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-4.19.0-13-amd64
root=UUID=78517165-ff11-4b1b-b67d-a5b863d270c1 ro quiet noefi
Build Date: 01 December 2020  05:59:57PM
xorg-server 2:1.20.4-1+deb10u2 (https://www.debian.org/support)
Current version of pixman: 0.36.0
        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: Sat Dec  5 12:21:03 2020
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) AIGLX: Suspending AIGLX clients for VT switch




# cat /var/log/lightdm/x-0.log
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.19.0-12-amd64 x86_64 Debian
Current Operating System: Linux nulldevice.lan 4.19.0-13-amd64 #1 SMP Debian
4.19.160-2 (2020-11-28) x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-4.19.0-13-amd64
root=UUID=78517165-ff11-4b1b-b67d-a5b863d270c1 ro quiet noefi
Build Date: 01 December 2020  05:59:57PM
xorg-server 2:1.20.4-1+deb10u2 (https://www.debian.org/support)
Current version of pixman: 0.36.0
        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.0.log", Time: Sat Dec  5 12:24:09 2020
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(II) AIGLX: Suspending AIGLX clients for VT switch
(II) Server terminated successfully (0). Closing log file.




# cat /var/log/lightdm/seat0-greeter.log.old
** (process:4630): WARNING **: 12:20:14.842: Failed to open CK session:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.ConsoleKit was not provided by any .service files
** Message: 12:20:14.878: Starting lightdm-gtk-greeter 2.0.6 (Dec 27 2018,
16:15:47)
** Message: 12:20:14.878: [Configuration] Reading file:
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_debian.conf
** Message: 12:20:14.879: [Configuration] Reading file: /etc/lightdm/lightdm-
gtk-greeter.conf
libGL error: failed to open drm device: Permission denied
libGL error: failed to load driver: i965

** (lightdm-gtk-greeter:4633): WARNING **: 12:20:14.980: [PIDs] Failed to
execute command: upstart

(lightdm-gtk-greeter:4633): Gtk-WARNING **: 12:20:15.126: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

** (lightdm-gtk-greeter:4633): WARNING **: 12:20:58.528: 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

(lightdm-gtk-greeter:4633): Gtk-WARNING **: 12:21:00.064: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

(lightdm-gtk-greeter:4633): Gtk-WARNING **: 12:21:03.015: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

(lightdm-gtk-greeter:4633): Gtk-WARNING **: 12:21:03.046: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

(lightdm-gtk-greeter:4633): Gtk-WARNING **: 12:24:09.537: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

** (lightdm-gtk-greeter:4633): WARNING **: 12:24:09.541: [PIDs] Failed to
terminate process #4656: No such process




# cat /var/log/lightdm/seat0-greeter.log
** (process:4873): WARNING **: 12:24:10.470: Failed to open CK session:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.ConsoleKit was not provided by any .service files
** Message: 12:24:10.488: Starting lightdm-gtk-greeter 2.0.6 (Dec 27 2018,
16:15:47)
** Message: 12:24:10.489: [Configuration] Reading file:
/usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_debian.conf
** Message: 12:24:10.489: [Configuration] Reading file: /etc/lightdm/lightdm-
gtk-greeter.conf
libGL error: failed to open drm device: Permission denied
libGL error: failed to load driver: i965

** (lightdm-gtk-greeter:4876): WARNING **: 12:24:10.584: [PIDs] Failed to
execute command: upstart

(lightdm-gtk-greeter:4876): Gtk-WARNING **: 12:24:10.730: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

(lightdm-gtk-greeter:4876): Gtk-WARNING **: 12:25:00.676: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

(lightdm-gtk-greeter:4876): Gtk-WARNING **: 12:25:02.375: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

(lightdm-gtk-greeter:4876): Gtk-WARNING **: 12:25:03.881: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

(lightdm-gtk-greeter:4876): Gtk-WARNING **: 12:26:00.756: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

** (lightdm-gtk-greeter:4876): WARNING **: 12:26:40.728: 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

(lightdm-gtk-greeter:4876): Gtk-WARNING **: 12:26:45.487: Drawing a gadget with
negative dimensions. Did you forget to allocate a size? (node menubar owner
GreeterMenuBar)

** (lightdm-gtk-greeter:4876): WARNING **: 12:26:45.723: [PIDs] Failed to
terminate process #4899: No such process




-- System Information:
Distributor ID:	Devuan
Description:	Devuan GNU/Linux 3 (beowulf)
Release:	3
Codename:	beowulf
Architecture: x86_64

Kernel: Linux 4.19.0-13-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
LSM: AppArmor: enabled

Versions of packages lightdm depends on:
ii  adduser                                3.118
ii  dbus                                   1.12.20-0+deb10u1+devuan1
ii  debconf [debconf-2.0]                  1.5.71
ii  libaudit1                              1:2.8.4-3
ii  libc6                                  2.28-10
ii  libgcrypt20                            1.8.4-5
ii  libglib2.0-0                           2.58.3-2+deb10u2
ii  libpam-elogind [logind]                241.4-2
ii  libpam0g                               1.3.1-5
ii  libxcb1                                1.13.1-2
ii  libxdmcp6                              1:1.1.2-3
ii  lightdm-gtk-greeter [lightdm-greeter]  2.0.6-1
ii  lsb-base                               10.2019051400

Versions of packages lightdm recommends:
ii  xserver-xorg  1:7.7+19

Versions of packages lightdm suggests:
pn  accountsservice  <none>
ii  upower           1:0.9.23-2+devuan1.3
pn  xserver-xephyr   <none>

-- debconf information:
* shared/default-x-display-manager: lightdm
  lightdm/daemon_name: /usr/sbin/lightdm

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