[Bug 1454615] [NEW] unable to upgrade to 15.04

[Leigh Godson]

Public bug reported:

All repositories are back to standard, Nvidia driver removed in favour
of nouveu and ppa's purged. Using the upgrade manager or command line
gives the 'cannot be upgraded' error message.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: ubuntu-release-upgrader-core 1:14.10.10
ProcVersionSignature: Ubuntu 3.16.0-37.51-generic 3.16.7-ckt9
Uname: Linux 3.16.0-37-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.4
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME
Date: Wed May 13 10:57:22 2015
InstallationDate: Installed on 2015-02-05 (96 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to utopic on 2015-05-13 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade utopic

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https://bugs.launchpad.net/bugs/1454615

Title:
  unable to upgrade to 15.04

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  All repositories are back to standard, Nvidia driver removed in favour
  of nouveu and ppa's purged. Using the upgrade manager or command line
  gives the 'cannot be upgraded' error message.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.10
  ProcVersionSignature: Ubuntu 3.16.0-37.51-generic 3.16.7-ckt9
  Uname: Linux 3.16.0-37-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.4
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Wed May 13 10:57:22 2015
  InstallationDate: Installed on 2015-02-05 (96 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to utopic on 2015-05-13 (0 days ago)
  VarLogDistupgradeTermlog:

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