[Bug 968630] Re: fails to show upgrade to Precise (from Oneiric)

[Mio]

lsb_release -a
LSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:cxx-3.0-amd64:cxx-3.0-noarch:cxx-3.1-amd64:cxx-3.1-noarch:cxx-3.2-amd64:cxx-3.2-noarch:cxx-4.0-amd64:cxx-4.0-noarch:desktop-3.1-amd64:desktop-3.1-noarch:desktop-3.2-amd64:desktop-3.2-noarch:desktop-4.0-amd64:desktop-4.0-noarch:graphics-2.0-amd64:graphics-2.0-noarch:graphics-3.0-amd64:graphics-3.0-noarch:graphics-3.1-amd64:graphics-3.1-noarch:graphics-3.2-amd64:graphics-3.2-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-3.2-amd64:printing-3.2-noarch:printing-4.0-amd64:printing-4.0-noarch:qt4-3.1-amd64:qt4-3.1-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 11.10
Release:	11.10
Codename:	oneiric

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https://bugs.launchpad.net/bugs/968630

Title:
  fails to show upgrade to Precise (from Oneiric)

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  I'm trying to upgrade to Precise Beta 2 but upon invoking "update-manager -d" it fails to show the possibility to upgrade. 
  see attached screenshot.
  terminal output:
  mio at mio-VGN-FZ31S:~$ lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 11.10
  Release:	11.10
  Codename:	oneiric
  mio at mio-VGN-FZ31S:~$ uname -a
  Linux mio-VGN-FZ31S 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 20:45:39 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
  mio at mio-VGN-FZ31S:~$ update-manager -d

  (update-manager:3033): Gdk-CRITICAL **: gdk_window_get_pointer:
  assertion `GDK_IS_WINDOW (window)' failed

  (update-manager:3033): Gdk-CRITICAL **: gdk_window_get_pointer:
  assertion `GDK_IS_WINDOW (window)' failed

  (update-manager:3033): Gdk-CRITICAL **: gdk_window_get_pointer:
  assertion `GDK_IS_WINDOW (window)' failed

  (update-manager:3033): Gdk-CRITICAL **: gdk_window_get_pointer:
  assertion `GDK_IS_WINDOW (window)' failed

  (update-manager:3033): Gdk-CRITICAL **: gdk_window_get_pointer:
  assertion `GDK_IS_WINDOW (window)' failed

  (update-manager:3033): Gdk-CRITICAL **: gdk_window_get_pointer:
  assertion `GDK_IS_WINDOW (window)' failed

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