GDM disables monitor in "Same image in all monitors" mode

Bug #566726 reported by Jeremy Nickurak on 2010-04-19
This bug affects 2 people
Affects Status Importance Assigned to Milestone
gdm (Ubuntu)

Bug Description

Binary package hint: gdm

GDM is set up to run both my monitors in "Same image in all monitors" mode (confirmed with gnome-control-center in the gdm session). However, my main monitor, an external display, turns off when gdm starts up. The laptop screen is not normally usable, meaning gdm is largely unaccessable.

Once a user logs, the "Same image in all monitors" mode works perfectly. It's just gdm that gets it wrong, somehow.

I have no /etc/X11/xorg.conf file.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: gdm 2.30.0-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.32-21.31-generic
Uname: Linux 2.6.32-21-generic x86_64
Architecture: amd64
Date: Mon Apr 19 09:49:43 2010
SourcePackage: gdm

Jeremy Nickurak (nickurak) wrote :
Changed in gdm (Ubuntu):
importance: Undecided → Low
Sebastien Bacher (seb128) wrote :

Thank you for your bug report. 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 (

Changed in gdm:
status: Unknown → New
Sebastien Bacher (seb128) wrote :

thank you for sending the bug to GNOME

Changed in gdm (Ubuntu):
status: New → Triaged
Jeremy Nickurak (nickurak) wrote :

Upstream suggests it's an Ubuntu issue.

Changed in gdm (Ubuntu):
status: Triaged → Confirmed
Sebastien Bacher (seb128) wrote :

upstream rather suggests it's an xorg or videodriver issue

That was one possibility they suggested.... however, given that everything
works once the gdm session ends and the regular user session starts, I doubt
that it's the case.

On Thu, Jun 17, 2010 at 16:01, Sebastien Bacher <email address hidden> wrote:

> upstream rather suggests it's an xorg or videodriver issue
> --
> GDM disables monitor in "Same image in all monitors" mode
> You received this bug notification because you are a direct subscriber
> of the bug.

Jeremy Nickurak -= Email/XMPP: <email address hidden> =-

Sebastien Bacher (seb128) wrote :

gdm is a standard gnome-session, not sure how you manage to run the display control dialog in the gdm session but that's not something any standard user will manage to do or should have to do, yet once you change the settings there gdm is not doing changes but it's rather gnome-settings-daemon and xorg which are the same component that for your user session...

Changed in gdm:
importance: Unknown → Medium
Changed in gdm:
status: New → Incomplete
Changed in gdm:
status: Incomplete → Expired
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