Public bug reported:
Binary package hint: gdm
I use a laptop with an external display. The laptop has a built in
NVidia card and supports NVIdia's 'TwinView'. When I boot the computer
with the external monitor hooked up, the GDM screen shows on the laptop
despite the external display being marked as primary and, once I enter
my username and password, GDM does not properly process the graphic
transition to the gnome session. It draws a background image over a
portion of the laptop screen. The image fades to the proper background
image. So what I see is a portion of the overall screen Real Estate
getting covered up properly by GDM during the login process, but a
significant portion not being covered up. This ruins the nice new fade
in effect that does work when running with only one monitor. In short,
GDM does not seem to recognize the Xinerama settings exposed by the
NVidia TwinView mode. (Just my guess)
ProblemType: Bug
Architecture: amd64
Date: Mon Nov 16 14:51:14 2009
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: nvidia
Package: gdm 2.28.1-0ubuntu1
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: gdm
Uname: Linux 2.6.31-14-generic x86_64
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
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gdm does not display correctly when run under NVidia twinview
https://bugs.launchpad.net/bugs/483789
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