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[Bug 1286856] [NEW] [13.10 Regression] External screen configuration wrong in login screen

 

Public bug reported:

I have an external monitor that I usually connect to my laptop. It's
configured to be the only screen, so when I plug it in, the laptop's
builtin screen automagically turns off and the external screen becomes
the primary and only screen, and when I unplug it, the builtin screen
turns on and becomes the only screen. So far so good.

In 13.04, this used to apply also to the Ubuntu login screen, that is
for example, if I turned on the computer with the external monitor
already connected, I would see the login screen on the external monitor
only.

Since I upgraded to 13.10, when the login screen appears and the
external monitor is connected, the screen shows as an extended screen,
so that the login box is only visible on the builtin screen and the
external monitor is "empty" (with a background image).

After logging in, it switches to the correct configuration (i.e. the
builtin screen turns off and the external screen becomes the primary
one).

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: unity 7.1.2+13.10.20131014.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-17.31-generic 3.11.10.3
Uname: Linux 3.11.0-17-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Sun Mar  2 18:18:00 2014
InstallationDate: Installed on 2013-10-11 (141 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: unity
UpgradeStatus: Upgraded to saucy on 2014-02-23 (7 days ago)

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug saucy

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https://bugs.launchpad.net/bugs/1286856

Title:
  [13.10 Regression] External screen configuration wrong in login screen

Status in “unity” package in Ubuntu:
  New

Bug description:
  I have an external monitor that I usually connect to my laptop. It's
  configured to be the only screen, so when I plug it in, the laptop's
  builtin screen automagically turns off and the external screen becomes
  the primary and only screen, and when I unplug it, the builtin screen
  turns on and becomes the only screen. So far so good.

  In 13.04, this used to apply also to the Ubuntu login screen, that is
  for example, if I turned on the computer with the external monitor
  already connected, I would see the login screen on the external
  monitor only.

  Since I upgraded to 13.10, when the login screen appears and the
  external monitor is connected, the screen shows as an extended screen,
  so that the login box is only visible on the builtin screen and the
  external monitor is "empty" (with a background image).

  After logging in, it switches to the correct configuration (i.e. the
  builtin screen turns off and the external screen becomes the primary
  one).

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: unity 7.1.2+13.10.20131014.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-17.31-generic 3.11.10.3
  Uname: Linux 3.11.0-17-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  Date: Sun Mar  2 18:18:00 2014
  InstallationDate: Installed on 2013-10-11 (141 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  SourcePackage: unity
  UpgradeStatus: Upgraded to saucy on 2014-02-23 (7 days ago)

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