[Bug 1597980] [NEW] Could not upgrade from 14.04 LTS to 15.10

[Steve Hawker]

Public bug reported:

Steps to repeat:
1. Launch Software Updater
2. Software Updater reports software is up to date but offers 15.10
3. Click Upgrade and authenticate
4. Wily Werewolf Release Notes is displayed. Click Upgrade

Expect:
Upgrade to 15.10

Observe:
Process halts because "could not calculate the upgrade"

Info:

lsb_release -rd
Description:	Ubuntu 14.04.4 LTS
Release:	14.04

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.16.0-76.98~14.04.1-generic 3.16.7-ckt27
Uname: Linux 3.16.0-76-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Thu Jun 30 19:47:34 2016
InstallationDate: Installed on 2015-06-25 (371 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-07-01 (0 days ago)
VarLogDistupgradeTermlog:
 
mtime.conffile..etc.update.manager.release.upgrades: 2016-06-30T19:36:58.457826

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


** Tags: amd64 apport-bug dist-upgrade third-party-packages trusty

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1597980

Title:
  Could not upgrade from 14.04 LTS  to 15.10

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

Bug description:
  Steps to repeat:
  1. Launch Software Updater
  2. Software Updater reports software is up to date but offers 15.10
  3. Click Upgrade and authenticate
  4. Wily Werewolf Release Notes is displayed. Click Upgrade

  Expect:
  Upgrade to 15.10

  Observe:
  Process halts because "could not calculate the upgrade"

  Info:

  lsb_release -rd
  Description:	Ubuntu 14.04.4 LTS
  Release:	14.04

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.16.0-76.98~14.04.1-generic 3.16.7-ckt27
  Uname: Linux 3.16.0-76-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Thu Jun 30 19:47:34 2016
  InstallationDate: Installed on 2015-06-25 (371 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-07-01 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update.manager.release.upgrades: 2016-06-30T19:36:58.457826

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1597980/+subscriptions