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Gnome-shell usually doesn't run on multiple monitors, even though it's
configured in SystemSettings -> Displays
"usually" because once in a blue moon it does. So the hardware supports
it.
xrandr lists:
LVDS1 connected (normal left inverted right x axis y axis)
1366x768 59.9 +
VGA1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 477mm x
268mm
1920x1080 60.0*+
(other resolutions cut from the output)
gdm starts on both monitors. As soon as I log in, LVDS1 goes off.
I can enable the second monitor in SystemSettings->Displays, and even
click on "keep configuration" but it doesn't activate.
It's disabled in software somewhere. I say that because the message
tray at the bottom is in a different location when both monitors are
active. So there is a software detect-monitor-size that moves the
message tray, and it's almost always where it would be for single
monitors.
Worked fine in Gnome-Shell 3.0.0.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gnome-shell 3.6.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
CheckboxSubmission: 4c35a9d722052b5a55114f98690e7808
CheckboxSystem: b633b4f40868d491c2ae5b50030ce6f3
Date: Thu Oct 25 13:47:41 2012
DisplayManager: gdm
InstallationDate: Installed on 2010-02-06 (992 days ago)
InstallationMedia: Ubuntu-Netbook-Remix 9.10 "Karmic Koala" - Release i386
(20091028.4)
MarkForUpload: True
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to quantal on 2012-10-10 (15 days ago)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal third-party-packages
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No multiple monitors
https://bugs.launchpad.net/bugs/1071288
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