Bug#1041139: gdm3: login greeting timeout causes reboot when screen blanks

[Jim Friedeck]

Package: gdm3
Version: 43.0-3
Severity: normal
X-Debbugs-Cc: jim at jimfriedeck.com

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
        Fresh install of debian 12 on a Lenovo M630e Core i5 with latest
firmware. Noticed machine rebooted itself after sitting at login screen for 5
minutes. Cycle repeats.
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
        Start the machine.
   * What was the outcome of this action?
        Machine reboots every 5 minutes when login screen blanks. Also occurs
any time screen is set to go to sleep. Login screen timeout can't be changed.
   * What outcome did you expect instead?
        Computer to idle or sleep, not reboot.


-- System Information:
Debian Release: 12.0
  APT prefers stable-security
  APT policy: (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-10-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages gdm3 depends on:
ii  accountsservice                       22.08.8-6
ii  adduser                               3.134
ii  dbus [default-dbus-system-bus]        1.14.6-1
ii  dbus-bin                              1.14.6-1
ii  dbus-daemon                           1.14.6-1
ii  dconf-cli                             0.40.0-4
ii  dconf-gsettings-backend               0.40.0-4
ii  debconf [debconf-2.0]                 1.5.82
ii  gir1.2-gdm-1.0                        43.0-3
ii  gnome-session [x-session-manager]     43.0-1
ii  gnome-session-bin                     43.0-1
ii  gnome-session-common                  43.0-1
ii  gnome-settings-daemon                 43.0-4
ii  gnome-shell                           43.4-1
ii  gnome-terminal [x-terminal-emulator]  3.46.8-1
ii  gsettings-desktop-schemas             43.0-1
ii  libaccountsservice0                   22.08.8-6
ii  libaudit1                             1:3.0.9-1
ii  libc6                                 2.36-9
ii  libcanberra-gtk3-0                    0.30-10
ii  libcanberra0                          0.30-10
ii  libgdk-pixbuf-2.0-0                   2.42.10+dfsg-1+b1
ii  libgdm1                               43.0-3
ii  libglib2.0-0                          2.74.6-2
ii  libglib2.0-bin                        2.74.6-2
ii  libgtk-3-0                            3.24.37-2
ii  libgudev-1.0-0                        237-2
ii  libkeyutils1                          1.6.3-2
ii  libpam-modules                        1.5.2-6
ii  libpam-runtime                        1.5.2-6
ii  libpam-systemd [logind]               252.6-1
ii  libpam0g                              1.5.2-6
ii  librsvg2-common                       2.54.5+dfsg-1
ii  libselinux1                           3.4-1+b6
ii  libsystemd0                           252.6-1
ii  libx11-6                              2:1.8.4-2+deb12u1
ii  libxau6                               1:1.0.9-1
ii  libxcb1                               1.15-1
ii  libxdmcp6                             1:1.1.2-3
ii  polkitd                               122-3
ii  procps                                2:4.0.2-3
ii  systemd-sysv                          252.6-1
ii  ucf                                   3.0043+nmu1
ii  x11-common                            1:7.7+23
ii  x11-xserver-utils                     7.7+9+b1
ii  xterm [x-terminal-emulator]           379-1

Versions of packages gdm3 recommends:
ii  at-spi2-core                       2.46.0-5
ii  desktop-base                       12.0.6
ii  gnome-session [x-session-manager]  43.0-1
ii  x11-xkb-utils                      7.7+7
ii  xserver-xephyr                     2:21.1.7-3
ii  xserver-xorg                       1:7.7+23
ii  zenity                             3.44.0-1

Versions of packages gdm3 suggests:
pn  libpam-fprintd        <none>
ii  libpam-gnome-keyring  42.1-1+b2
pn  libpam-pkcs11         <none>
pn  libpam-sss            <none>
ii  orca                  43.1-1

-- Configuration Files:
/etc/gdm3/daemon.conf changed:
[daemon]
AutomaticLoginEnable=True
AutomaticLogin=jim
[security]
[xdmcp]
[chooser]
[debug]


-- debconf information:
* shared/default-x-display-manager: gdm3
  gdm3/daemon_name: /usr/sbin/gdm3