[Bug 1453220] [NEW] Message "Can't install 'ubuntu-desktop'" during upgrade 14.10>15.04

[Torben Gundtofte-Bruun]

Public bug reported:

OS version = Ubuntu 14.10
package version = unsure, but it's the automatic Ubuntu updater in Ubuntu 14.10.
Expected = no error.
Actual = Ubuntu notified me that there's a new version available. I confirmed that I wanted to upgrade, and the window "Distribution Upgrade" started working:

quote:
Upgrading Ubuntu to version 15.04
v Preparing to upgrade
> Setting new software channels
unquote.

At this stage, an error was displayed:

quote:
Can't install 'ubuntu-desktop'

It was impossible to install a required package. Please report this as a
bug using 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

[OK]
unquote.

After clicking "OK" the installer seems to have continued okay anyway.

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: Unity
Date: Fri May  8 19:16:31 2015
InstallationDate: Installed on 2013-08-27 (618 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to utopic on 2015-05-08 (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/1453220

Title:
  Message "Can't install 'ubuntu-desktop'" during upgrade 14.10>15.04

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

Bug description:
  OS version = Ubuntu 14.10
  package version = unsure, but it's the automatic Ubuntu updater in Ubuntu 14.10.
  Expected = no error.
  Actual = Ubuntu notified me that there's a new version available. I confirmed that I wanted to upgrade, and the window "Distribution Upgrade" started working:

  quote:
  Upgrading Ubuntu to version 15.04
  v Preparing to upgrade
  > Setting new software channels
  unquote.

  At this stage, an error was displayed:

  quote:
  Can't install 'ubuntu-desktop'

  It was impossible to install a required package. Please report this as
  a bug using 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

  [OK]
  unquote.

  After clicking "OK" the installer seems to have continued okay anyway.

  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: Unity
  Date: Fri May  8 19:16:31 2015
  InstallationDate: Installed on 2013-08-27 (618 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to utopic on 2015-05-08 (0 days ago)
  VarLogDistupgradeTermlog:

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