[Bug 990708] [NEW] Failed to upgrade from 11.10 to 12.04 after upgrading from 11.04 to 11.10

[DiegoRivera]

Public bug reported:

I skipped Oneiric Ocelot when I learned that Unity was fairly hard to
turn off.  Today I tried to do the upgrade path to Precise, only to get
stopped by this error.

There were no errors reported during the upgrade to Oneiric.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: update-manager 1:0.152.25.9
ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
Uname: Linux 3.0.0-17-generic x86_64
NonfreeKernelModules: nvidia rr64x
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Sat Apr 28 13:41:32 2012
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: Upgraded to oneiric on 2012-04-28 (0 days ago)

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


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

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https://bugs.launchpad.net/bugs/990708

Title:
  Failed to upgrade from 11.10 to 12.04 after upgrading from 11.04 to
  11.10

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

Bug description:
  I skipped Oneiric Ocelot when I learned that Unity was fairly hard to
  turn off.  Today I tried to do the upgrade path to Precise, only to
  get stopped by this error.

  There were no errors reported during the upgrade to Oneiric.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.25.9
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic x86_64
  NonfreeKernelModules: nvidia rr64x
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Sat Apr 28 13:41:32 2012
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to oneiric on 2012-04-28 (0 days ago)

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