Bug#802335: gdm3: gdm 3.18 does not switch to the right tty with a multi seat setup

[Manuel Bilderbeek]

Package: gdm3
Version: 3.18.0-2
Followup-For: Bug #802335

Dear Maintainer,

Looks like I'm also hit with this bug... but I have no idea what a 'seat' is or
what 'multiseat' is. I didn't do anything to set that up, I only upgraded some
packages and suddenly I get this issue.

I described it in bug #803779.

It's quite annoying... I even had an extra Xorg and gnome-shell running with
the user "Debian-gdm", which took 20% CPU time...

Quite annoying!

Is there any workaround for this? Why did it hit me and not many other people?
Is it related to nVidia driver?

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

Kernel: Linux 4.2.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages gdm3 depends on:
ii  accountsservice                              0.6.40-3
ii  adduser                                      3.113+nmu3
ii  dconf-cli                                    0.24.0-2
ii  dconf-gsettings-backend                      0.24.0-2
ii  debconf [debconf-2.0]                        1.5.58
ii  gir1.2-gdm3                                  3.18.0-2
ii  gnome-session [x-session-manager]            3.18.1.2-1
ii  gnome-session-bin                            3.18.1.2-1
ii  gnome-session-flashback [x-session-manager]  3.18.1-1
ii  gnome-settings-daemon                        3.18.2-1
ii  gnome-shell                                  3.18.1-1
ii  gnome-terminal [x-terminal-emulator]         3.18.2-1
ii  gsettings-desktop-schemas                    3.18.1-1
ii  libaccountsservice0                          0.6.40-3
ii  libaudit1                                    1:2.4.4-4
ii  libc6                                        2.19-22
ii  libcanberra-gtk3-0                           0.30-2.1
ii  libcanberra0                                 0.30-2.1
ii  libgdk-pixbuf2.0-0                           2.32.2-1
ii  libgdm1                                      3.18.0-2
ii  libglib2.0-0                                 2.46.2-1
ii  libglib2.0-bin                               2.46.2-1
ii  libgtk-3-0                                   3.18.5-1
ii  libpam-modules                               1.1.8-3.1
ii  libpam-runtime                               1.1.8-3.1
ii  libpam-systemd                               227-3
ii  libpam0g                                     1.1.8-3.1
ii  librsvg2-common                              2.40.11-2
ii  libselinux1                                  2.4-3
ii  libsystemd0                                  227-3
ii  libwrap0                                     7.6.q-25
ii  libx11-6                                     2:1.6.3-1
ii  libxau6                                      1:1.0.8-1
ii  libxdmcp6                                    1:1.1.2-1
ii  lsb-base                                     9.20150917
ii  metacity [x-window-manager]                  1:3.18.1-1
ii  mutter [x-window-manager]                    3.18.2-1
ii  policykit-1                                  0.105-13
ii  ucf                                          3.0031
ii  x11-common                                   1:7.7+12
ii  x11-xserver-utils                            7.7+5
ii  xterm [x-terminal-emulator]                  320-1

Versions of packages gdm3 recommends:
ii  at-spi2-core               2.18.3-1
ii  desktop-base               8.0.2
ii  gnome-icon-theme           3.12.0-1
ii  gnome-icon-theme-symbolic  3.12.0-1
ii  x11-xkb-utils              7.7+2
ii  xserver-xephyr             2:1.17.3-2
ii  xserver-xorg               1:7.7+12
ii  zenity                     3.18.1.1-1

Versions of packages gdm3 suggests:
ii  gnome-orca            3.18.2-1
ii  libpam-gnome-keyring  3.18.2-1

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