Public bug reported:
After login, at first laptop and HDMI/DVI mounted 1920x1200 monitor
display correct resolution with different desktops (gnome primary on
laptop). After several minutes of use, resolution suddenly changes to
1024x768 and both displays have the same image.
Opening System->Preferences->Monitors, the Monitor Preferences dialog
now displays a checkmark in "Same image in all monitors". This was not
the previous setting. Both monitors can be set to the correct
resolutions (1366x768 and 1920x1200), applied, and made default.
System will typically do this resolution/image regression at least once
after boot, often twice. After setting twice the system will remain at
correct resolutions and non-twinned monitor images for the remainder of
runtime until rebooted.
Behaviour is the same with a Dell or a Viewsonic 1920x1200 external
monitor. Monitor is mounted on HDMI to DVI adapter.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: gnome-control-center 1:2.32.1-0ubuntu15
ProcVersionSignature: Ubuntu 2.6.38-13.54-generic 2.6.38.8
Uname: Linux 2.6.38-13-generic x86_64
NonfreeKernelModules: fglrx
Architecture: amd64
Date: Thu Feb 2 11:23:11 2012
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/925564
Title:
Monitor Preferences dynamically changes settings
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