[Bug 1613038] [NEW] No Upgrade possible from 15.10 to 16.xx GNOME

[Marek]

Public bug reported:

done this steps
sudo apt-get update
sudo apt-get upgrade
sudo apt-get -f install
sudo apt-get -y install apt
sudo do-release-upgrade

results in that no upgrade is possible with this error message
"An unsolvable problem occurred while determining the system update"

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.4
ProcVersionSignature: Ubuntu 4.2.0-42.49-generic 4.2.8-ckt12
Uname: Linux 4.2.0-42-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME
Date: Sun Aug 14 11:51:09 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-04-11 (124 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to wily on 2016-08-14 (0 days ago)

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


** Tags: amd64 apport-bug dist-upgrade wily

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https://bugs.launchpad.net/bugs/1613038

Title:
  No Upgrade possible from 15.10 to 16.xx GNOME

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

Bug description:
  done this steps
  sudo apt-get update
  sudo apt-get upgrade
  sudo apt-get -f install
  sudo apt-get -y install apt
  sudo do-release-upgrade

  results in that no upgrade is possible with this error message
  "An unsolvable problem occurred while determining the system update"

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubuntu-release-upgrader-core 1:15.10.14.4
  ProcVersionSignature: Ubuntu 4.2.0-42.49-generic 4.2.8-ckt12
  Uname: Linux 4.2.0-42-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Sun Aug 14 11:51:09 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2016-04-11 (124 days ago)
  InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to wily on 2016-08-14 (0 days ago)

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