T-61 Multi Monitor: gnome-screensaver does not show login dialog after resume in docking station with lid closed

[Torsten Spindler]

Binary package hint: gnome-screensaver

In the following scenario no login prompt after a resume from suspend is shown:
1) Laptop is placed in a docking station
2) gnome-display-properties has been used to disable the internal laptop screen and only use the external display, this is stored in the gnome monitors.xml
3) Laptop is undocked
4) Laptop is suspended
5) Laptop is placed in docking station and resumes

Expected result:
gnome-screensaver displays a login prompt.

Actual result:
gnome-screensaver has to be killed from the console to gain access to the session.

[Torsten Spindler (tspindler)]

Another way to reproduce, from the soon to be duplicate marked bug:

Steps to reproduce:
1) Boot outside of docking station, login
2) Suspend, close the lid
3) Put laptop in docking station
4) Resume with lid closed via docking station power button

Expected behaviour:
Login dialogue is displayed on external display

Actual behaviour:
External display stays black; ssh login to the system and killing gnome-screensaver restores access to the session.

[Martin Pitt (pitti)]

I tested the scenario, but for me it behaves differently in natty. Upon resuming, I see a half-empty panel, but nothing on my desktop, presumably because it insists putting screens side by side. If I reconfigure them in gnome-display-properties, the external screen goes black forever, so I can't use this :-( So I'm afraid I can't sensibly test this with my hardware.

[Torsten Spindler (tspindler)]

I just reproduced the problem with a T61 and a docking station using Natty, following the sequence in the bug description.

1) Laptop is placed in a docking station
2) gnome-display-properties has been used to disable the internal laptop screen and only use the external display, this is stored in the gnome monitors.xml
3) Laptop is undocked
4) Laptop is suspended
5) Laptop is placed in docking station and resumes

Expected result:
gnome-screensaver displays a login prompt.

Actual result:
gnome-screensaver has to be killed from the console to gain access to the session.

[Pedro Villavicencio (pedro)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. The issue that you reported is one that should be reproducible with the live environment of the Desktop CD of the stable release - Oneiric Ocelot. It would help us greatly if you could test with it so we can work on getting it fixed. You can find out more about the development release at http://www.ubuntu.com/testing/ . Thanks again and we appreciate your help.

[Launchpad Janitor (janitor)]

[Expired for gnome-screensaver (Ubuntu) because there has been no activity for 60 days.]

[Bryce Harrington (bryce)]

I attempted to reproduce it in Precise with Unity. Following the steps in the original report, the login dialog appears as expected on my Fujitsu laptop.

The login dialog is offcenter and the background is sized to the laptop rather than the external screen (separate bug?), but the dialog itself is present and works as expected.

[Eric Williams (eric-canonical)]

This issue persists for Lucid. Is there any chance to get this fixed?

Thanks,
Eric