[Bug 1530044] Re: ubuntu-bug ubuntu-release-upgrader-core

[Seth Arnold]

It looks like you may rely upon many packages from third-party
repositories; those repositories may not have new versions compatible
with newer releases of Ubuntu. It's difficult to read the output to
figure out which may be most to blame, but I suspect #ubuntu on
irc.freenode.net or askubuntu.com may be a better venue for fixing this.

Thanks

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https://bugs.launchpad.net/bugs/1530044

Title:
  ubuntu-bug ubuntu-release-upgrader-core

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

Bug description:
  I am using Ubuntu 14.04 and I wanted to upgrade to Ubuntu 15.04 but
  it's giving me this error:

  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

  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 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-74.118-generic 3.13.11-ckt30
  Uname: Linux 3.13.0-74-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Dec 30 10:49:48 2015
  InstallationDate: Installed on 2014-08-13 (503 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2015-12-30 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update.manager.release.upgrades: 2015-12-23T18:04:40.418321

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