[Bug 1296163] [NEW] GUI updater does nothing when I authenticate and from a terminal I get Could not determine the upgrade An unresolvable problem occurred while calculating the upgrade.

[Dave Jury]

Public bug reported:

I am using 13.04 and am trying to upgrade to 13.10.

Using the Software Updater (GUI), it tells me that there is a new
version of Ubuntu available (13.10), and when I click the Upgrade button
it asks me to authenticate. When I enter my password and hit the
Authenticate button, all windows disappear and nothing happens.

I then used "do-release-upgrade" in a terminal, and here is the error:

Checking package manager
Reading package lists... Done    
Building dependency tree          
Reading state information... Done
Building data structures... Done 

Calculating the changes

Calculating the changes

Could not determine the upgrade

An unresolvable problem occurred while calculating the upgrade.

This can be caused by: 
* Upgrading to a pre-release version of Ubuntu 
* Running the current pre-release version of Ubuntu 
* Unofficial software packages not provided by Ubuntu 

If none of this applies, then please report this bug using the 
command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: ubuntu-release-upgrader-core 1:0.192.13
ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
Uname: Linux 3.8.0-31-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: amd64
CrashDB: ubuntu
Date: Sun Mar 23 01:27:49 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-09-10 (193 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to raring on 2014-03-22 (0 days ago)

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


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

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https://bugs.launchpad.net/bugs/1296163

Title:
  GUI updater does nothing when I authenticate and from a terminal I get
  Could not determine the upgrade   An unresolvable problem occurred
  while calculating the upgrade.

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

Bug description:
  I am using 13.04 and am trying to upgrade to 13.10.

  Using the Software Updater (GUI), it tells me that there is a new
  version of Ubuntu available (13.10), and when I click the Upgrade
  button it asks me to authenticate. When I enter my password and hit
  the Authenticate button, all windows disappear and nothing happens.

  I then used "do-release-upgrade" in a terminal, and here is the error:

  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 

  Calculating the changes

  Calculating the changes

  Could not determine the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  This can be caused by: 
  * Upgrading to a pre-release version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  * Unofficial software packages not provided by Ubuntu 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubuntu-release-upgrader-core 1:0.192.13
  ProcVersionSignature: Ubuntu 3.8.0-31.46-generic 3.8.13.8
  Uname: Linux 3.8.0-31-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sun Mar 23 01:27:49 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2013-09-10 (193 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2014-03-22 (0 days ago)

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