Fast-user-switch-applet doesn't work with multiseat

Bug #326916 reported by bastafidli
2
Affects Status Importance Assigned to Milestone
gdm
Incomplete
Undecided
Unassigned
gdm (Ubuntu)
Invalid
Low
Ubuntu Desktop Bugs

Bug Description

Binary package hint: fast-user-switch-applet

I have configured multiseat / multiterminal on Ubuntu 8.04 Hardy using following FAQ

http://wpkg.org/Configuring_multiseat_X_workstation

and it works like a charm with one exception and that is fast user switching. My configuration is 2 NVidia Geforce2 MX cards (one AGP, one PCI) with nvidia proprietary driver and two Microsoft Wireless Optical Desktop sets (wireless mouse and keyboard) both hooked up via USB. The only problem I have encountered is that fast-user-switching applet always lock the terminal when somebody uses it.

If user is logged in and he clicks on his name to see the pulldown menu with user list and clicks on another name in the list then the screen turns black and nothing else can be done on that terminal. The only recourse is from the other terminal to kill the Xorg process of the logged in user or restart computer.

If use clicks on the System->Quit->Switch user then a popup dialog appears to select "X server to start". This means the switching of users is not aware of multiterminal since it should just switch in the current X server. If I even select the correct X server I get to the Login screen (in my case with user chooser where I see name of users and I see that there is a logged in user on this terminal) but the terminal is frozen and user cannot choose another user, cannot type password and cannot even switch back to the same user which is already logged in.

Please let me know if there is any information which would help you in solving this issue. I would be very happy to provide it to you and help troubleshooting. I am very happy with my multiterminal setup and it was extremely easy to get it working but the only way to currently use it for multiple users is that user has to always log out before another user can log in .

Also since there is no option to disable user switching (see the following bug https://bugs.launchpad.net/ubuntu/+source/gnome-system-tools/+bug/185599) and no option to gracefully logout user by another user, if users are distracted or they are not educated that the user switching doesn't work, it is very easy to lock up the terminal which requires to kill the xorg process or restart the computer.

Tags: multiseat
Revision history for this message
Ted Gould (ted) wrote :

Reassigning to GDM. The display manager is incharge of doing the fast user transition, which is where things seem to be failing.

Changed in gdm (Ubuntu):
assignee: nobody → Ubuntu Desktop Bugs (desktop-bugs)
importance: Undecided → Low
Revision history for this message
bastafidli (ubuntu-bastafidli) wrote :

This is also related to Bug #185599.

tags: added: multiseat
Revision history for this message
Sebastien Bacher (seb128) wrote :

The issue is an upstream one and it would be nice if somebody having it could send the bug the to the people writting the software (https://wiki.ubuntu.com/Bugs/Upstream/GNOME)

Revision history for this message
Pedro Villavicencio (pedro) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. A new version of GDM is available in both Lucid and Maverick and we are wondering if this is still reproducible in any of those versions, May you please test and give us of feedback about it? Thanks in advance.

Changed in gdm:
status: New → Incomplete
Changed in gdm (Ubuntu):
status: New → Incomplete
Revision history for this message
bastafidli (ubuntu-bastafidli) wrote :

Hi. I am still on 9.10 karmic using the legacy gdm 2.20 since the default gdm in karmic didnt support multiseat. Once I upgrade to lucid probably in august I will let you know if this issue is still present.

Revision history for this message
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Revision history for this message
Jeremy Bícha (jbicha) wrote :

The fast user switch applet is obsolete and no longer supported.

Changed in gdm (Ubuntu):
status: Incomplete → Invalid
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