[Bug 1592039] [NEW] failed to upgrade from 14.04 to 16.04

[Nic]

Public bug reported:

Description:	Ubuntu 14.04.4 LTS
tried to upgrade to 16.04 with sudo update-manager -d
tiger at ubuntu:~$ sudo update-manager -d
[sudo] password for tiger: 
Проверка наличия нового релиза Ubuntu
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:86: Warning: g_object_ref: assertion 'object->ref_count > 0' failed
  res = self.widgets.dialog_release_notes.run()
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:86: Warning: g_object_unref: assertion 'object->ref_count > 0' failed
  res = self.widgets.dialog_release_notes.run()
аутентифицировать 'xenial.tar.gz' вместо 'xenial.tar.gz.gpg' 
извлечение 'xenial.tar.gz'

unresolved problem during update calculation (see screenshot)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8 [origin: unknown]
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Mon Jun 13 18:16:14 2016
InstallationDate: Installed on 2014-05-29 (746 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-06-13 (0 days ago)
VarLogDistupgradeTermlog:

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


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

** Attachment added: "Снимок экрана от 2016-06-13 18:29:33.png"
   https://bugs.launchpad.net/bugs/1592039/+attachment/4683020/+files/%D0%A1%D0%BD%D0%B8%D0%BC%D0%BE%D0%BA%20%D1%8D%D0%BA%D1%80%D0%B0%D0%BD%D0%B0%20%D0%BE%D1%82%202016-06-13%2018%3A29%3A33.png

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https://bugs.launchpad.net/bugs/1592039

Title:
  failed to upgrade from 14.04 to 16.04

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

Bug description:
  Description:	Ubuntu 14.04.4 LTS
  tried to upgrade to 16.04 with sudo update-manager -d
  tiger at ubuntu:~$ sudo update-manager -d
  [sudo] password for tiger: 
  Проверка наличия нового релиза Ubuntu
  /usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:86: Warning: g_object_ref: assertion 'object->ref_count > 0' failed
    res = self.widgets.dialog_release_notes.run()
  /usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:86: Warning: g_object_unref: assertion 'object->ref_count > 0' failed
    res = self.widgets.dialog_release_notes.run()
  аутентифицировать 'xenial.tar.gz' вместо 'xenial.tar.gz.gpg' 
  извлечение 'xenial.tar.gz'

  unresolved problem during update calculation (see screenshot)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8 [origin: unknown]
  ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
  Uname: Linux 3.13.0-39-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon Jun 13 18:16:14 2016
  InstallationDate: Installed on 2014-05-29 (746 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-06-13 (0 days ago)
  VarLogDistupgradeTermlog:

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