[Bug 1002128] [NEW] Every time during upgrade, it says Upgrade can't be calculated. I have disabled all PPAs also but problem persists.

[rikil]

Public bug reported:

This happened during upgrade from 11.10 to 12.04 LTS. The same problem
arises before and after disabling third party PPAs.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: update-manager 1:0.152.25.11
ProcVersionSignature: Ubuntu 3.0.0-20.34-generic 3.0.30
Uname: Linux 3.0.0-20-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Mon May 21 09:31:18 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110922)
PackageArchitecture: all
SourcePackage: update-manager
UpgradeStatus: Upgraded to oneiric on 2012-05-21 (0 days ago)

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 oneiric

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https://bugs.launchpad.net/bugs/1002128

Title:
  Every time during upgrade, it says Upgrade can't be calculated. I have
  disabled all PPAs also but problem persists.

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

Bug description:
  This happened during upgrade from 11.10 to 12.04 LTS. The same problem
  arises before and after disabling third party PPAs.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.25.11
  ProcVersionSignature: Ubuntu 3.0.0-20.34-generic 3.0.30
  Uname: Linux 3.0.0-20-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Mon May 21 09:31:18 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110922)
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to oneiric on 2012-05-21 (0 days ago)

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