Hi.

Here are the logs with and without the  "logind-check-graphical=false"
option.

With this opinion, a new seat is added and no seat is added when this
option is commented.

Regards,

Adilson

Em dom., 1 de out. de 2023 às 11:22, Yves-Alexis Perez <cor...@debian.org>
escreveu:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> On Tue, 2023-08-08 at 01:25 -0500, Steev Klimaszewski wrote:
> > I'm running into a very similar issue as the original submitter,
> > however, when I'm running into it, I am *not* using the nVidia binary
> > driver, but I am using a custom 5.15.44 kernel for a Raspberry Pi.
> > What I found after digging for quite a while, was that, yes,
> > downgrading to 1.26 would start Xorg, and upgrading to 1.32 would
> > cause it to not start Xorg.  After diffing the contents between 1.26
> > and 1.32, it seems that the option "logind-check-graphical" has
> > changed from the default of false, to a default of true.
> >
> > Simply adding in
> >
> > logind-check-graphical=false
> >
> > under the [LightDM] heading in /etc/lightdm/lightdm.conf shows it as
> > starting again.  This happened for me on both Pi3 and Pi4, armhf and
> > arm64.  I'm not entirely sure why this is the case, and the kernel
> > hasn't changed on these devices since 2022-07-03 when we last built
> > the kernel for them.  Perhaps the original submitter could also see if
> > changing that option works for them with the nVidia binary driver?
>
> Hi Steev and Adilson,
>
> so it might be linked to https://github.com/canonical/lightdm/issues/263
>
> Looking at a bug linked from above
> (https://github.com/canonical/lightdm/issues/165) it looks like the
> default
> was changed in order to fix a race condition or something.
>
> The documentation says:
>
> # logind-check-graphical = True to on start seats that are marked as
> graphical
> by logind
>
> Could you check the lightdm.log and check if you have messages about seats
> beeing added and whether it's graphical or not (you can add logs here).
> With
> both value for the logind-check-graphical option.
>
> It looks to me that there's an issue deeper in the stacks (in the NVIDIA
> stuff
> or in the RPi graphical stuff) and maybe the seats arent't marked as
> graphical
> or something. So it's ok to tune the option locally as a workaround, but
> I'm
> not sure about reverting it globally.
>
> Regards,
> - --
> Yves-Alexis
> -----BEGIN PGP SIGNATURE-----
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> RFtkzAgAvSJE1yDFRCZrdI/1zGTW/SWH2KUXuxpYw8b+LrwcvkLBVwSzQhkxKkS4
> rd8VUjRRXVcaPXTrPJxeKqObAAYN2iUhiFCKdYAYUxdvlIPWxOkQEf8CeLm/AG6f
> rCaHMmQNZY5SFkTCQ5AGUzH38IAp3a4Sdn3E+x1xVMsiYGn6h5I/z0eDcx5135mP
> omuBRUYZGnoTfsApetBOQCK7pMzUJX1QRxdaiMjLZCUEsKjwoJc/6ZaLSHB4goYQ
> AXAYcrc4jOhYfv6KFqbaxEBWxR/gbdG8+YBh2u8a44KEniJgXl+T4FEKfTA1poxc
> muyLJuBzqpHqGyfOvZS73TjWPVZcHw==
> =Lrpk
> -----END PGP SIGNATURE-----
>


-- 
Adilson dos Santos Dantas
http://www.adilson.net.br
http://twitter.com/adilsond
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.32.0, UID=0 PID=1740
[+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 from 
/usr/share/lightdm/lightdm.conf.d/40-kde-plasma-kf5.conf
[+0.00s] DEBUG:   [SeatDefaults] is now called [Seat:*], please update this 
configuration
[+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
[+0.01s] DEBUG: Using cross-namespace EXTERNAL authentication (this will 
deadlock if server is GDBus < 2.73.3)
[+0.01s] DEBUG: _g_io_module_get_default: Found default implementation local 
(GLocalVfs) for ‘gio-vfs’
[+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 has property CanMultiSession=no
[+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: Seat seat0: Plymouth is running on VT 1, but this is less than 
the configured minimum of 7 so not replacing it
[+0.01s] DEBUG: Quitting Plymouth
[+0.03s] DEBUG: Using VT 7
[+0.04s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.04s] DEBUG: XServer 0: Logging to /var/log/lightdm/x-0.log
[+0.04s] DEBUG: XServer 0: Writing X server authority to 
/var/run/lightdm/root/:0
[+0.04s] DEBUG: XServer 0: Launching X Server
[+0.04s] DEBUG: Launching process 1849: /usr/bin/X :0 -seat seat0 -auth 
/var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.04s] DEBUG: XServer 0: Waiting for ready signal from X server :0
[+0.04s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.04s] DEBUG: Registering seat with bus path 
/org/freedesktop/DisplayManager/Seat0
[+0.04s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.04s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1001 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1004 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1005 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1003 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1002 added
[+1.08s] DEBUG: Got signal 10 from process 1849
[+1.08s] DEBUG: XServer 0: Got signal from X server :0
[+1.08s] DEBUG: XServer 0: Connecting to XServer :0
[+1.08s] DEBUG: g_unix_open_pipe() called with FD_CLOEXEC; please migrate to 
using O_CLOEXEC instead
[+1.08s] DEBUG: Seat seat0: Display server ready, starting session 
authentication
[+1.08s] DEBUG: Session pid=2266: Started with service 'lightdm-greeter', 
username 'lightdm'
[+1.11s] DEBUG: Session pid=2266: Authentication complete with return value 0: 
Success
[+1.11s] DEBUG: Seat seat0: Session authenticated, running command
[+1.11s] DEBUG: Session pid=2266: Running command /usr/sbin/lightdm-gtk-greeter
[+1.11s] DEBUG: Creating shared data directory /var/lib/lightdm/data/lightdm
[+1.11s] DEBUG: Session pid=2266: Logging to /var/log/lightdm/seat0-greeter.log
[+1.32s] DEBUG: Activating VT 7
[+1.32s] DEBUG: Activating login1 session c1
[+1.33s] DEBUG: Seat seat0 changes active session to c1
[+1.33s] DEBUG: Session c1 is already active
[+1.48s] DEBUG: Greeter connected version=1.32.0 api=1 resettable=false
[+1.90s] DEBUG: Greeter start authentication
[+1.90s] DEBUG: Session pid=2461: Started with service 'lightdm', username 
'(null)'
[+1.90s] DEBUG: Session pid=2461: Got 1 message(s) from PAM
[+1.90s] DEBUG: Prompt greeter with 1 message(s)
[+8.28s] DEBUG: Greeter start authentication for adilsond
[+8.28s] DEBUG: Session pid=2461: Sending SIGTERM
[+8.28s] DEBUG: Session pid=2505: Started with service 'lightdm', username 
'adilsond'
[+8.28s] DEBUG: Session pid=2461: Terminated with signal 15
[+8.28s] DEBUG: Session: Failed during authentication
[+8.28s] DEBUG: Seat seat0: Session stopped
[+8.28s] DEBUG: Session pid=2505: Got 1 message(s) from PAM
[+8.28s] DEBUG: Prompt greeter with 1 message(s)
[+12.81s] DEBUG: Continue authentication
[+12.83s] DEBUG: Session pid=2505: Authentication complete with return value 0: 
Success
[+12.83s] DEBUG: Authenticate result for user adilsond: Success
[+12.83s] DEBUG: User adilsond authorized
[+12.86s] DEBUG: Greeter requests session lightdm-xsession
[+12.86s] DEBUG: Seat seat0: Stopping greeter; display server will be re-used 
for user session
[+12.86s] DEBUG: Terminating login1 session c1
[+12.86s] DEBUG: Session pid=2266: Sending SIGTERM
[+12.87s] DEBUG: Greeter closed communication channel
[+12.87s] DEBUG: Session pid=2266: Exited with return value 0
[+12.87s] DEBUG: Seat seat0: Session stopped
[+12.87s] DEBUG: Seat seat0: Greeter stopped, running session
[+12.87s] DEBUG: Registering session with bus path 
/org/freedesktop/DisplayManager/Session0
[+12.87s] DEBUG: g_unix_open_pipe() called with FD_CLOEXEC; please migrate to 
using O_CLOEXEC instead
[+12.87s] DEBUG: Session pid=2505: Running command /etc/X11/Xsession default
[+12.87s] DEBUG: Creating shared data directory /var/lib/lightdm/data/adilsond
[+12.87s] DEBUG: Session pid=2505: Logging to .xsession-errors
[+13.13s] DEBUG: Activating VT 7
[+13.13s] DEBUG: Activating login1 session 2
[+13.13s] DEBUG: Seat seat0 changes active session to 
[+13.13s] DEBUG: Seat seat0 changes active session to 2
[+13.13s] DEBUG: Session 2 is already active
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.32.0, UID=0 PID=1695
[+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 from 
/usr/share/lightdm/lightdm.conf.d/40-kde-plasma-kf5.conf
[+0.00s] DEBUG:   [SeatDefaults] is now called [Seat:*], please update this 
configuration
[+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
[+0.01s] DEBUG: Using cross-namespace EXTERNAL authentication (this will 
deadlock if server is GDBus < 2.73.3)
[+0.01s] DEBUG: _g_io_module_get_default: Found default implementation local 
(GLocalVfs) for ‘gio-vfs’
[+0.01s] DEBUG: Monitoring logind for seats
[+0.01s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.01s] DEBUG: Stopping Plymouth, no displays replace it
[+0.01s] DEBUG: Quitting Plymouth
[+0.03s] DEBUG: Loading users from org.freedesktop.Accounts
[+0.03s] DEBUG: User /org/freedesktop/Accounts/User1000 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1001 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1004 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1005 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1003 added
[+0.14s] DEBUG: User /org/freedesktop/Accounts/User1002 added

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