[Bug 1492814] [NEW] unable to upgrade

rebroad 1492814 at bugs.launchpad.net
Sun Sep 6 18:04:42 UTC 2015


Public bug reported:

I'm running Ubuntu 12.04.5 LTS and I'm wanting to upgrade to Ubuntu
14.04.3 LTS.

Running update_manager, it first complains that "no valid mirror" found.
I choose "yes" to rewrite my sources.list. Then I get:-

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 12.04
Package: update-manager 1:0.156.14.19
ProcVersionSignature: Ubuntu 3.2.0-88.126-generic 3.2.69
Uname: Linux 3.2.0-88-generic i686
ApportVersion: 2.0.1-0ubuntu17.9
Architecture: i386
Date: Sun Sep  6 19:00:03 2015
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110903)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2015-09-06 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 precise running-unity

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https://bugs.launchpad.net/bugs/1492814

Title:
  unable to upgrade

Status in update-manager package in Ubuntu:
  New

Bug description:
  I'm running Ubuntu 12.04.5 LTS and I'm wanting to upgrade to Ubuntu
  14.04.3 LTS.

  Running update_manager, it first complains that "no valid mirror"
  found. I choose "yes" to rewrite my sources.list. Then I get:-

  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 12.04
  Package: update-manager 1:0.156.14.19
  ProcVersionSignature: Ubuntu 3.2.0-88.126-generic 3.2.69
  Uname: Linux 3.2.0-88-generic i686
  ApportVersion: 2.0.1-0ubuntu17.9
  Architecture: i386
  Date: Sun Sep  6 19:00:03 2015
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110903)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2015-09-06 (0 days ago)
  VarLogDistupgradeTermlog:

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