Public bug reported:
I've been enabling/disabling a secondary screen a few times back and
forth and the result is rather flaky/unstable. This is what happens when
I press "apply":
* In best case, I get a strange screen (artifacts all over) for ~15
seconds, then the real screen reappears, asking me whether I want to
confirm or return to previous settings (and the usual timeout).
* Sometimes I get a strange screen for all 30 seconds and then it
reverts.
* Sometimes nothing happens at all.
* Sometimes the computer locks up hard with a black screen.
* One time I also got an error saying that it failed to set "Metamode
1920x1200 on Xscreen 0".
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nvidia-settings 280.13-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Mon Sep 5 14:51:15 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110802.1)
SourcePackage: nvidia-settings
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: nvidia-settings (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity
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which is subscribed to nvidia-settings in Ubuntu.
https://bugs.launchpad.net/bugs/841792
Title:
Enabling/disabling secondary screen is flaky/unstable
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https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/841792/+subscriptions
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