[Bug 1727452] Re: Cannot calculate the upgrade from 16.04 to 17.04

[dino99]

*** This bug is a duplicate of bug 1510841 ***
    https://bugs.launchpad.net/bugs/1510841

** This bug has been marked a duplicate of bug 1728872
   Distribution upgrade - could not calculate the upgrade

** This bug is no longer a duplicate of bug 1728872
   Distribution upgrade - could not calculate the upgrade
** This bug has been marked a duplicate of bug 1510841
   "Could not calculate the upgrade" due to multiple metapackages being installed

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https://bugs.launchpad.net/bugs/1727452

Title:
  Cannot calculate the upgrade from 16.04 to 17.04

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

Bug description:
  $ sudo do-release-upgrade -d
  Checking for a new Ubuntu release
  Upgrades to the development release are only 
  available from the latest supported release.

  
  $ update-manager
  /usr/bin/update-manager:28: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
    from gi.repository import Gtk
  /usr/lib/python3/dist-packages/UpdateManager/UnitySupport.py:29: PyGIWarning: Dbusmenu was imported without specifying a version first. Use gi.require_version('Dbusmenu', '0.4') before import to ensure that the right version gets loaded.
    from gi.repository import Dbusmenu, Unity
  /usr/lib/python3/dist-packages/UpdateManager/UnitySupport.py:29: PyGIWarning: Unity was imported without specifying a version first. Use gi.require_version('Unity', '7.0') before import to ensure that the right version gets loaded.
    from gi.repository import Dbusmenu, Unity
  Checking for a new Ubuntu release
  /usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcher.py:23: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded.
    from gi.repository import Gtk, Gdk
  /usr/lib/python3/dist-packages/DistUpgrade/ReleaseNotesViewerWebkit.py:33: PyGIWarning: WebKit2 was imported without specifying a version first. Use gi.require_version('WebKit2', '4.0') before import to ensure that the right version gets loaded.
    from gi.repository import WebKit2 as WebKit
  Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
  authenticate 'zesty.tar.gz' against 'zesty.tar.gz.gpg' 
  extracting 'zesty.tar.gz'

  (appstreamcli:26816): GLib-CRITICAL **: g_strchug: assertion 'string
  != NULL' failed

  (appstreamcli:26816): GLib-CRITICAL **: g_strchomp: assertion 'string
  != NULL' failed

  (appstreamcli:26816): GLib-CRITICAL **: g_strchug: assertion 'string
  != NULL' failed

  (appstreamcli:26816): GLib-CRITICAL **: g_strchomp: assertion 'string
  != NULL' failed

  
  Additional info : 

  $ sudo apt-cache policy ubuntu-release-upgrader-core
  ubuntu-release-upgrader-core:
    Installed: 1:16.04.22
    Candidate: 1:16.04.22
    Version table:
   *** 1:16.04.22 500
          500 http://in.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
          500 http://in.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages
          100 /var/lib/dpkg/status
       1:16.04.12 500
          500 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          500 http://in.archive.ubuntu.com/ubuntu xenial/main i386 Packages

  $ lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 16.04.3 LTS
  Release:	16.04
  Codename:	xenial

  $ uname -a
  Linux Puja-Sarang 4.4.0-97-generic #120-Ubuntu SMP Tue Sep 19 17:28:18 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.22
  ProcVersionSignature: Ubuntu 4.4.0-97.120-generic 4.4.87
  Uname: Linux 4.4.0-97-generic x86_64
  NonfreeKernelModules: wl nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Oct 25 22:56:23 2017
  InstallationDate: Installed on 2016-12-24 (305 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2017-10-25 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2017-10-25T22:07:28.669132

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