Failed to start session (Was password fail)

[Grizzly]

30 April 2022  at 16:58, Chris Green wrote:
Re: Failed to start session (Was pa (at least in part)

>On Sat, Apr 30, 2022 at 02:30:14PM +0100, Grizzly via ubuntu-users wrote:
>> Hi
>> 
>> I thought I  had a password problem after upgrading to 22.04 (it ran fine while 
>> 
>> I updated with many re-boots) now I get
>> 
>> Login UI with password request, after entering correct password, I just get 
>> "failed to start session" in pink above the entered password (I misunderstood 
>> it as a password fail) in the same box
>> 
>> I have tried making a new user, but that user gets the same result
>> 
>> I get no other indication what is going wrong or how to correct this
>> 
>Can you log in to a terminal session (CTRL+ALT+Fn, n=1 to 6)?  If so
>then take a look at the file .xsession-errors in your home directory,
>that should show what stopped things starting up.

Here it is, Sure the last line tells a story, but not sure what the cure is, a 
search for most of text (in last line) finds a systemd bug that has been fixed?

---  .xsession-errors  ---

dbus-update-activation-environment: setting DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
dbus-update-activation-environment: setting DISPLAY=:0
dbus-update-activation-environment: setting XAUTHORITY=/home/moses/.Xauthority
/etc/X11/Xsession.d/30x11-common_xresources: line 16: has_option: command not found
/etc/X11/Xsession.d/75dbus_dbus-launch: line 9: has_option: command not found
dbus-update-activation-environment: setting GTK_MODULES=gail:atk-bridge
dbus-update-activation-environment: setting QT_ACCESSIBILITY=1
/etc/X11/Xsession.d/90x11-common_ssh-agent: line 9: has_option: command not found
dbus-update-activation-environment: setting SHELL=/bin/bash
dbus-update-activation-environment: setting QT_ACCESSIBILITY=1
dbus-update-activation-environment: setting XDG_CONFIG_DIRS=/etc/xdg/xdg-unity:/etc/xdg
dbus-update-activation-environment: setting XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
dbus-update-activation-environment: setting GTK_IM_MODULE=ibus
dbus-update-activation-environment: setting GTK2_MODULES=overlay-scrollbar
dbus-update-activation-environment: setting LANGUAGE=en_GB:en
dbus-update-activation-environment: setting XMODIFIERS=@im=ibus
dbus-update-activation-environment: setting DESKTOP_SESSION=unity
dbus-update-activation-environment: setting GTK_MODULES=gail:atk-bridge
dbus-update-activation-environment: setting PWD=/home/moses
dbus-update-activation-environment: setting XDG_SESSION_DESKTOP=unity
dbus-update-activation-environment: setting LOGNAME=moses
dbus-update-activation-environment: setting XDG_SESSION_TYPE=x11
dbus-update-activation-environment: setting GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
dbus-update-activation-environment: setting XAUTHORITY=/home/moses/.Xauthority
dbus-update-activation-environment: setting XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/moses
dbus-update-activation-environment: setting LD_PRELOAD=libgtk3-nocsd.so.0
dbus-update-activation-environment: setting GDM_LANG=en_GB
dbus-update-activation-environment: setting HOME=/home/moses
dbus-update-activation-environment: setting IM_CONFIG_PHASE=1
dbus-update-activation-environment: setting LANG=en_GB.UTF-8
dbus-update-activation-environment: setting XDG_CURRENT_DESKTOP=Unity:Unity7:ubuntu
dbus-update-activation-environment: setting XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
dbus-update-activation-environment: setting GTK_CSD=0
dbus-update-activation-environment: setting CLUTTER_IM_MODULE=ibus
dbus-update-activation-environment: setting XDG_SESSION_CLASS=user
dbus-update-activation-environment: setting USER=moses
dbus-update-activation-environment: setting DISPLAY=:0
dbus-update-activation-environment: setting SHLVL=1
dbus-update-activation-environment: setting QT_IM_MODULE=ibus
dbus-update-activation-environment: setting XDG_RUNTIME_DIR=/run/user/1000
dbus-update-activation-environment: setting GTK3_MODULES=xapp-gtk3-module
dbus-update-activation-environment: setting XDG_DATA_DIRS=/usr/share/unity:/usr/share/gnome:/usr/local/share/:/usr/share/
dbus-update-activation-environment: setting PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
dbus-update-activation-environment: setting GDMSESSION=unity
dbus-update-activation-environment: setting DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
dbus-update-activation-environment: setting _=/usr/bin/dbus-update-activation-environment
Failed to get properties: Unit name gnome-session-manager at .service is neither a valid invocation ID nor unit name.

--- end .xsession-errors ---