Bug#872316: gdm3: "GNOME on Xorg" always uses Xwayland

[Kentaro Hayashi]

Package: gdm3
Version: 3.24.2-3
Severity: normal

Dear Maintainer,

When I choose "Gnome on Xorg" as current session, after logging in,
"GNOME on Xorg" session always uses Xwayland instead of X.

I've noticed that we need to uncomment the following entry in
/etc/gdm3/daemon.conf in current situation.

  [daemon]
  # Uncoment the line below to force the login screen to use Xorg
  WaylandEnable=false

But it is just a workaround. It is not suitable configuration to switch other
session.
Are there any proper solution without above workaround?





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

Kernel: Linux 4.12.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8), LANGUAGE=ja_JP.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gdm3 depends on:
ii  accountsservice                       0.6.43-1
ii  adduser                               3.116
ii  dconf-cli                             0.26.0-2+b1
ii  dconf-gsettings-backend               0.26.0-2+b1
ii  debconf                               1.5.63
ii  gir1.2-gdm-1.0                        3.24.2-3
ii  gnome-session [x-session-manager]     3.24.1-2
ii  gnome-session-bin                     3.24.1-2
ii  gnome-settings-daemon                 3.24.3-1
ii  gnome-shell                           3.22.3-3
ii  gnome-terminal [x-terminal-emulator]  3.22.2-1
ii  gsettings-desktop-schemas             3.24.0-2
ii  libaccountsservice0                   0.6.43-1
ii  libaudit1                             1:2.7.7-1+b2
ii  libc6                                 2.24-14
ii  libcanberra-gtk3-0                    0.30-3
ii  libcanberra0                          0.30-3
ii  libgdk-pixbuf2.0-0                    2.36.5-2
ii  libgdm1                               3.24.2-3
ii  libglib2.0-0                          2.53.4-3
ii  libglib2.0-bin                        2.53.4-3
ii  libgtk-3-0                            3.22.18-1
ii  libkeyutils1                          1.5.9-9
ii  libpam-modules                        1.1.8-3.6
ii  libpam-runtime                        1.1.8-3.6
ii  libpam-systemd                        234-2
ii  libpam0g                              1.1.8-3.6
ii  librsvg2-common                       2.40.18-1
ii  libselinux1                           2.6-3+b2
ii  libsystemd0                           234-2
ii  libwrap0                              7.6.q-26
ii  libx11-6                              2:1.6.4-3
ii  libxau6                               1:1.0.8-1+b2
ii  libxcb1                               1.12-1
ii  libxdmcp6                             1:1.1.2-3
ii  lsb-base                              9.20161125
ii  mutter [x-window-manager]             3.22.4-2
ii  policykit-1                           0.105-18
ii  ucf                                   3.0036
ii  x11-common                            1:7.7+19
ii  x11-xserver-utils                     7.7+7+b1
ii  xfce4-session [x-session-manager]     4.12.1-5
ii  xfce4-terminal [x-terminal-emulator]  0.8.5.1-1
ii  xfwm4 [x-window-manager]              4.12.4-1
ii  xterm [x-terminal-emulator]           330-1

Versions of packages gdm3 recommends:
ii  at-spi2-core    2.24.1-1
ii  desktop-base    9.0.5
ii  x11-xkb-utils   7.7+3+b1
ii  xserver-xephyr  2:1.19.3-2
ii  xserver-xorg    1:7.7+19
ii  zenity          3.22.0-1+b1

Versions of packages gdm3 suggests:
ii  gnome-orca            3.24.0-1
ii  libpam-gnome-keyring  3.20.1-1

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