Bug#969106: gdm3 can only start a gnome session, any other (e.g. mate, icewm, gnome on xorg...) fails

Grégory Mounié Gregory.Mounie at imag.fr
Fri Mar 4 10:28:14 GMT 2022


Package: gdm3
Version: 41.3-1
Followup-For: Bug #969106

Dear Maintainer,

For a few days, I am not able to start a X11 session with default settings of
gdm3 (tried: Gnome in Xorg, Plasma in X11; lxqt) (I suppose gdm3 is in Wayland
mode from some time now ?). Login succeeds, but come back to login screen
almost instantly.

I can start plasma in wayland and gnome in wayland.

I am able to start Windowmaker (Why this one, I do not know. It is definitely a
simpler but only X11 window manager )

When I fallback to X11 in gdm3 daemon settings, everything is ok.

Note: I am using a recent optimus laptop (thus with software muxer) with the
nouveau driver. It may be related as Wayland is still buggy in my usage (using
gnome or plasma): I have frequent change in display settings with external
screen on usb-C dock and various videoprojectors (VGA or HDMI).


-- System Information:
Debian Release: bookworm/sid
  APT prefers unstable
  APT policy: (990, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.16.0-3-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=fr:en_US
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                             22.07.5-1
ii  adduser                                     3.118
ii  awesome [x-window-manager]                  4.3-5+b2
ii  cinnamon-session [x-session-manager]        5.2.0-2
ii  clfswm [x-window-manager]                   20111015.git51b0a02-3
ii  cool-retro-term [x-terminal-emulator]       1.2.0+ds-4
ii  dbus [default-dbus-system-bus]              1.14.0-1
ii  dbus-bin                                    1.14.0-1
ii  dbus-broker [dbus-system-bus]               29-4
ii  dbus-daemon                                 1.14.0-1
ii  dconf-cli                                   0.40.0-3
ii  dconf-gsettings-backend                     0.40.0-3
ii  debconf [debconf-2.0]                       1.5.79
ii  deepin-terminal [x-terminal-emulator]       5.2.11-1
ii  enlightenment [x-window-manager]            0.25.3-1
ii  eterm [x-terminal-emulator]                 0.9.6-6.1
ii  fvwm [x-window-manager]                     1:2.6.8-1+b2
ii  fvwm-crystal [x-window-manager]             3.4.1+dfsg-3
ii  gir1.2-gdm-1.0                              41.3-1
ii  gnome-session [x-session-manager]           41.3-1
ii  gnome-session-bin                           41.3-1
ii  gnome-session-common                        41.3-1
ii  gnome-session-flashback [x-session-manager  3.42.0-2
ii  gnome-settings-daemon                       41.0-4+b1
ii  gnome-shell                                 41.4-1
ii  gnome-terminal [x-terminal-emulator]        3.43.90-1
ii  gsettings-desktop-schemas                   42~beta-1
ii  i3-wm [x-window-manager]                    4.20.1-1
ii  icewm [x-window-manager]                    2.9.6-1
ii  kitty [x-terminal-emulator]                 0.21.2-1
ii  konsole [x-terminal-emulator]               4:21.12.2-1
ii  kwin-x11 [x-window-manager]                 4:5.24.2-1
ii  libaccountsservice0                         22.07.5-1
ii  libaudit1                                   1:3.0.7-1
ii  libc6                                       2.33-7
ii  libcanberra-gtk3-0                          0.30-8
ii  libcanberra0                                0.30-8
ii  libgdk-pixbuf-2.0-0                         2.42.6+dfsg-2
ii  libgdm1                                     41.3-1
ii  libglib2.0-0                                2.70.4-1
ii  libglib2.0-bin                              2.70.4-1
ii  libgtk-3-0                                  3.24.31-1
ii  libkeyutils1                                1.6.1-2
ii  libpam-modules                              1.4.0-11
ii  libpam-runtime                              1.4.0-11
ii  libpam-systemd [logind]                     250.3-2
ii  libpam0g                                    1.4.0-11
ii  librsvg2-common                             2.52.5+dfsg-3+b1
ii  libselinux1                                 3.3-1+b1
ii  libsystemd0                                 250.3-2
ii  libx11-6                                    2:1.7.2-2+b1
ii  libxau6                                     1:1.0.9-1
ii  libxcb1                                     1.14-3
ii  libxdmcp6                                   1:1.1.2-3
ii  lilyterm [x-terminal-emulator]              0.9.9.4+git20150208.f600c0-5+b1
ii  lsb-base                                    11.1.0
ii  lxqt-session [x-session-manager]            0.16.0-1
ii  lxsession [x-session-manager]               0.5.5-2+b1
ii  lxterminal [x-terminal-emulator]            0.4.0-2
ii  marco [x-window-manager]                    1.26.0-1
ii  matchbox-window-manager [x-window-manager]  1.2.2+git20200512-1
ii  mate-session-manager [x-session-manager]    1.26.0-1
ii  mate-terminal [x-terminal-emulator]         1.26.0-1
ii  metacity [x-window-manager]                 1:3.42.0-1
ii  mlterm [x-terminal-emulator]                3.9.0-1+b1
ii  muffin [x-window-manager]                   5.2.0-2+b1
ii  mutter [x-window-manager]                   41.4-1
ii  openbox [x-window-manager]                  3.6.1-10
ii  openbox-lxde-session [x-session-manager]    0.99.2-4
ii  plasma-workspace [x-session-manager]        4:5.24.2-2
ii  policykit-1                                 0.105-33
ii  procps                                      2:3.3.17-6
ii  qterminal [x-terminal-emulator]             0.16.1-1
ii  rxvt-unicode [x-terminal-emulator]          9.30-2+b2
ii  sakura [x-terminal-emulator]                3.8.4-1
ii  sawfish [x-window-manager]                  1:1.11.90-1.2
ii  stterm [x-terminal-emulator]                0.8.4-1
ii  stumpwm [x-window-manager]                  2:1.0.0-1
ii  systemd-sysv                                250.3-2
ii  terminator [x-terminal-emulator]            2.1.1-1
ii  terminology [x-terminal-emulator]           1.12.1-1+b1
ii  ucf                                         3.0043
ii  wmaker [x-window-manager]                   0.95.9-3
ii  x11-common                                  1:7.7+23
ii  x11-xserver-utils                           7.7+9
ii  xfce4-session [x-session-manager]           4.16.0-1
ii  xfce4-terminal [x-terminal-emulator]        0.8.10-1
ii  xfwm4 [x-window-manager]                    4.16.1-1
ii  xiterm+thai [x-terminal-emulator]           1.10-2+b2
ii  xmonad [x-window-manager]                   0.15-4+b2
ii  xterm [x-terminal-emulator]                 370-2

Versions of packages gdm3 recommends:
ii  at-spi2-core                                 2.42.0-2
ii  cinnamon-session [x-session-manager]         5.2.0-2
ii  desktop-base                                 11.0.3
ii  gnome-session [x-session-manager]            41.3-1
ii  gnome-session-flashback [x-session-manager]  3.42.0-2
ii  lxqt-session [x-session-manager]             0.16.0-1
ii  lxsession [x-session-manager]                0.5.5-2+b1
ii  mate-session-manager [x-session-manager]     1.26.0-1
ii  openbox [x-session-manager]                  3.6.1-10
ii  openbox-lxde-session [x-session-manager]     0.99.2-4
ii  plasma-workspace [x-session-manager]         4:5.24.2-2
ii  x11-xkb-utils                                7.7+5
ii  xfce4-session [x-session-manager]            4.16.0-1
ii  xserver-xephyr                               2:21.1.3-2+b1
ii  xserver-xorg                                 1:7.7+23
ii  zenity                                       3.41.0-2

Versions of packages gdm3 suggests:
pn  libpam-fprintd        <none>
ii  libpam-gnome-keyring  40.0-3
pn  libpam-pkcs11         <none>
pn  libpam-sss            <none>
ii  orca                  41.2-1

-- Configuration Files:
/etc/gdm3/daemon.conf changed:
[daemon]
WaylandEnable=false
[security]
[xdmcp]
[chooser]
[debug]


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



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