[Bug 1537015] Re: Release upgrade from 14.04 to 15.04 fails

[Fergus Reig Gracia]

** Summary changed:

- Release upgrade from 14.04 to 14.10 fails 
+ Release upgrade from 14.04 to 15.04 fails

** Description changed:

- Release upgrade from 14.04 to 14.10 return this error:
+ Release upgrade from 14.04 to 15.04 return this error:
  
  Calculating the changes
  Calculating the changes
  Could not calculate 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
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.19.0-47.53~14.04.1-generic 3.19.8-ckt10
  Uname: Linux 3.19.0-47-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri Jan 22 11:28:39 2016
  InstallationDate: Installed on 2016-01-13 (8 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-22 (0 days ago)
  VarLogDistupgradeTermlog:
-  
+ 
  modified.conffile..etc.update.manager.release.upgrades: [modified]
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-22T10:17:12.499300
+ 
+ Nor do I have way to update wing version 14.10.

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https://bugs.launchpad.net/bugs/1537015

Title:
  Release upgrade from 14.04 to 15.04 fails

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

Bug description:
  Release upgrade from 14.04 to 15.04 return this error:

  Calculating the changes
  Calculating the changes
  Could not calculate 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

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.19.0-47.53~14.04.1-generic 3.19.8-ckt10
  Uname: Linux 3.19.0-47-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri Jan 22 11:28:39 2016
  InstallationDate: Installed on 2016-01-13 (8 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-22 (0 days ago)
  VarLogDistupgradeTermlog:

  modified.conffile..etc.update.manager.release.upgrades: [modified]
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-22T10:17:12.499300

  Nor do I have way to update wing version 14.10.

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