Comment # 12 on bug 1170399 from David Hodgson

# uname -a
Linux XXXXXX 5.3.18-lp152.57-default #1 SMP Fri Dec 4 07:27:58 UTC 2020
(7be5551) x86_64 x86_64 x86_64 GNU/Linux

# gnome --version
>>>>>>>>> returns nothing!

gnome settings -> Details -> About gives
Version 3.34.7

# grep -E -v '^\s*(#|$)' /etc/gdm/custom.conf
[daemon]
InitialSetupEnable=False
WaylandEnable=false
[security]
[xdmcp]
[chooser]
[debug]

# grep -E -v '^\s*(#|$)' /etc/sysconfig/displaymanager
DISPLAYMANAGER_REMOTE_ACCESS="no"
DISPLAYMANAGER_ROOT_LOGIN_REMOTE="no"
DISPLAYMANAGER_STARTS_XSERVER="yes"
DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN="no"
DISPLAYMANAGER_AUTOLOGIN=""
DISPLAYMANAGER_PASSWORD_LESS_LOGIN="no"
DISPLAYMANAGER_AD_INTEGRATION="no"
DISPLAYMANAGER_XSERVER="Xorg"
DISPLAYMANAGER="gdm"