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[Bug 841840] [NEW] lightdm screen disappears and reappears in multi-monitor setup with different resolutions

 

Public bug reported:

My laptop monitor is 1920x1080 and the external screen is 1680x1050,
both driven through an intel chip (configured via xrandr in X sessions).

When lightdm's login greeter first appears, it displays in a 1680x1050
*centered* window. But a second or two afterwards, the screen disappears
for half a second to a second and reappears as a left-aligned 1680x1050
window.

Everything still works, ie I can log in fine and no characters are lost
from the password being entered, but it's a bit disconcerting because it
initially looks like the login screen has crashed.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: lightdm 0.9.3-0ubuntu8
Uname: Linux 3.1.0-rc5-git-20110905.0929 x86_64
Architecture: amd64
Date: Mon Sep  5 21:51:38 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
SourcePackage: lightdm
UpgradeStatus: Upgraded to oneiric on 2011-09-02 (3 days ago)

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


** Tags: amd64 apport-bug oneiric running-unity

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/841840

Title:
  lightdm screen disappears and reappears in multi-monitor setup with
  different resolutions

Status in “lightdm” package in Ubuntu:
  New

Bug description:
  My laptop monitor is 1920x1080 and the external screen is 1680x1050,
  both driven through an intel chip (configured via xrandr in X
  sessions).

  When lightdm's login greeter first appears, it displays in a 1680x1050
  *centered* window. But a second or two afterwards, the screen
  disappears for half a second to a second and reappears as a left-
  aligned 1680x1050 window.

  Everything still works, ie I can log in fine and no characters are
  lost from the password being entered, but it's a bit disconcerting
  because it initially looks like the login screen has crashed.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: lightdm 0.9.3-0ubuntu8
  Uname: Linux 3.1.0-rc5-git-20110905.0929 x86_64
  Architecture: amd64
  Date: Mon Sep  5 21:51:38 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to oneiric on 2011-09-02 (3 days ago)

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References