Bug 868220

sounds similar to the earlier problems where the old session is not quite ending and keeping gdm from creating a new one.

What does loginctl list-sessions say after the logout ?
If the session you just ended still shows up, what does loginctl session-status say for it ?

Yeah somewhat similar but this happens with no prior X desktop session.

After the failed authentication, no hanging session:

# loginctl list-sessions 
         1         42 gdm              seat0           
         2          0 root             seat0

2 sessions listed.

After successful login (see screenshot attached below):

# loginctl list-sessions 
         1         42 gdm              seat0           
         2          0 root             seat0           
         3       1000 petersen         seat0     

3 sessions listed.
# loginctl session-status 3
3 - petersen (1000)
	   Since: Wed, 31 Oct 2012 21:55:35 -0400; 1min 13s ago
	  Leader: 1013 (gdm-session-wor)
	    Seat: seat0; vc1
	 Display: :0
	 Service: gdm-password; type x11; class user
	   State: online
	  CGroup: name=systemd:/user/petersen/3
		  ├ 1013 gdm-session-worker [pam/gdm-password]
		  └ 1022 /usr/bin/gnome-keyring-daemon --daemonize --login
# loginctl show-session 3
Id=3
Timestamp=Wed, 31 Oct 2012 21:55:35 -0400
TimestampMonotonic=275751659
DefaultControlGroup=name=systemd:/user/petersen/3
VTNr=1
Display=:0
Remote=no
Service=gdm-password
Leader=1013
Audit=3
Type=x11
Class=user
Active=no
State=online
KillProcesses=no
IdleHint=no
IdleSinceHint=0
IdleSinceHintMonotonic=0
Name=petersen

Created attachment 636460 [details]
screenshot of gdm hanging around after login

Pressing Cancel goes back to gdm login, but repeating the process
it is not possible to login as that user without restarting gdm.

There has been no movement on this in almost a month and no new reports. Is this still happening with F18 beta? Does it happen if fallback is forced via preferences instead of removing shell?

I'm -1 blocker, though. While it could be seen as a violation of the following F18 beta release criterion:

All release-blocking desktops' offered mechanisms (if any) for shutting down, logging out and rebooting must work.

If I'm understanding correctly, the user is logged out. They just can't log back in afterwards. I realize that I might be splitting hairs here but it wouldn't affect lives as users wouldn't usually be logging out from a live session (thus fixable with an update post-install) and sounds like it could be worked around with a system reboot or restarting gdm. I can't see blocking release for this if it were the last bug remaining.

I'm +1 NTH, though.

I broadly agree with tflink as described, but it's possible we're missing something. tentative -1 blocker / +1 nth.

Ditto. -1 blocker / +1 nth

> If I'm understanding correctly, the user is logged out.

or not yet logged in

>  (thus fixable with an update post-install) and sounds like it could
> be worked around with a system reboot or restarting gdm. I can't see
> blocking release for this if it were the last bug remaining.

Agreed NTH is fine: re-proposing.

(Apart from gnome it seems only @cinnamon and @sugar use now gdm:
I changed "@basic-desktop" to use lxdm - partly because of this bug.)

-1 blocker, +1 nth

I count +4 NTH - moving to AcceptedNTH

Upstream: https://bugzilla.gnome.org/show_bug.cgi?id=690803
(Cannot edit "See Also" here.)

clearing acceptednth as f18 nth is closed now, adding upstream bug number.

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