Public bug reported:

When booting my laptop, the screen alternates between the Ubuntu logo
and a black screen a couple of times before showing the login screen.
Occasionally, the login screen does not appear and a black screen with
just the mouse cursor appears instead.

I'm not sure whether this is a lightdm problem or a race condition
during boot or any other issue but I'm happy to debug if someone can
give me pointers on how to investigate the problem.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: lightdm 1.6.0-0ubuntu2.1
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Fri Apr 26 16:04:26 2013
InstallationDate: Installed on 2013-03-24 (32 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
LightdmConfig:
 [SeatDefaults]
 user-session=ubuntu
 greeter-session=unity-greeter
MarkForUpload: True
SourcePackage: lightdm
UpgradeStatus: Upgraded to raring on 2013-03-24 (32 days ago)

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


** Tags: amd64 apport-bug raring

** Description changed:

  When booting my laptop, the screen alternates between the Ubuntu logo
  and a black screen a couple of times before showing the login screen.
  Occasionally, the login screen does not appear and a black screen with
  just the mouse cursor appears instead.
  
  I'm not sure whether this is a lightdm problem or a race condition
  during boot or any other issue but I'm happy to debug if someone can
- give me pointers as to what can possibly go wrong.
+ give me pointers on how to investigate the problem.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: lightdm 1.6.0-0ubuntu2.1
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Fri Apr 26 16:04:26 2013
  InstallationDate: Installed on 2013-03-24 (32 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  LightdmConfig:
-  [SeatDefaults]
-  user-session=ubuntu
-  greeter-session=unity-greeter
+  [SeatDefaults]
+  user-session=ubuntu
+  greeter-session=unity-greeter
  MarkForUpload: True
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to raring on 2013-03-24 (32 days ago)

-- 
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Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1173231

Title:
  Login screen sometimes fails to appear when booting computer

Status in “lightdm” package in Ubuntu:
  New

Bug description:
  When booting my laptop, the screen alternates between the Ubuntu logo
  and a black screen a couple of times before showing the login screen.
  Occasionally, the login screen does not appear and a black screen with
  just the mouse cursor appears instead.

  I'm not sure whether this is a lightdm problem or a race condition
  during boot or any other issue but I'm happy to debug if someone can
  give me pointers on how to investigate the problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: lightdm 1.6.0-0ubuntu2.1
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Fri Apr 26 16:04:26 2013
  InstallationDate: Installed on 2013-03-24 (32 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  LightdmConfig:
   [SeatDefaults]
   user-session=ubuntu
   greeter-session=unity-greeter
  MarkForUpload: True
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to raring on 2013-03-24 (32 days ago)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1173231/+subscriptions

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