[Pkg-xfce-devel] Bug#876029: lightdm: Config line "autologin-user" regularly fails if "autologin-user-timeout" is not set

[Julien ROBIN]

Package: lightdm
Version: 1.18.3-1
Severity: normal

Dear Maintainer,

When editing /etc/lightdm/lightdm.conf in order to enable autologin-user, on
some boots, the setting sometimes have no effects, and the autologin doen't
happen everytime.

But as a Workaround, if the autologin-timeout is set (to 5 seconds for
example), then after 5 seconds waiting on the login screen, the autologin
always happen.

This workaround is not perfect, it's consuming time to load the user login
screen for nothing and wait for nothing; also I'm not sure of what happen on a
slow computer if 5 second is not enough ?

I have this problem on all of my computers since Debian Stretch. Never had
before, with Debian Jessie.

Thank you in advance !

Best regards,
Julien ROBIN



-- System Information:
Debian Release: 9.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages lightdm depends on:
ii  adduser                                3.115
ii  dbus                                   1.10.18-1
ii  debconf [debconf-2.0]                  1.5.61
ii  libaudit1                              1:2.6.7-2
ii  libc6                                  2.24-11+deb9u1
ii  libgcrypt20                            1.7.6-2+deb9u2
ii  libglib2.0-0                           2.50.3-2
ii  libpam-systemd                         232-25+deb9u1
ii  libpam0g                               1.1.8-3.6
ii  libxcb1                                1.12-1
ii  libxdmcp6                              1:1.1.2-3
ii  lightdm-gtk-greeter [lightdm-greeter]  2.0.2-1

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

Versions of packages lightdm suggests:
ii  accountsservice  0.6.43-1
ii  upower           0.99.4-4+b1
pn  xserver-xephyr   <none>

-- Configuration Files:
/etc/lightdm/lightdm.conf changed:
[LightDM]
[Seat:*]
autologin-user=user
autologin-user-timeout=5
[XDMCPServer]
[VNCServer]


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