Ubgrade from 14.04 to 16.04 via do-release-upgrade failed
my commandline output:
Reading cache
Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Ign http://archive.ubuntu.com trusty InRelease
Ign http://extras.ubuntu.com trusty InRelease
Ign http://archive.canonical.com trusty InRelease
Hit http://security.ubuntu.com trusty-security InRelease
Hit http://archive.ubuntu.com trusty-updates InRelease
Get:1 http://extras.ubuntu.com trusty Release.gpg [71 B]
Hit http://archive.canonical.com trusty Release.gpg
Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages
Hit http://archive.ubuntu.com trusty-proposed InRelease
Hit http://extras.ubuntu.com trusty Release
Hit http://archive.canonical.com trusty Release
Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages
Hit http://archive.ubuntu.com trusty-backports InRelease
Hit http://extras.ubuntu.com trusty/main amd64 Packages
Hit http://archive.canonical.com trusty/partner amd64 Packages
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Hit http://archive.ubuntu.com trusty Release.gpg
Hit http://extras.ubuntu.com trusty/main i386 Packages
Hit http://archive.canonical.com trusty/partner i386 Packages
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://archive.ubuntu.com trusty-updates/multiverse amd64 Packages
Err http://extras.ubuntu.com trusty/main Translation-en
Hit http://archive.canonical.com trusty/partner Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages
Hit http://archive.ubuntu.com trusty-updates/restricted amd64 Packages
Err http://extras.ubuntu.com trusty/main Translation-de
Hit http://security.ubuntu.com trusty-security/restricted i386 Packages
Hit http://archive.ubuntu.com trusty-updates/main amd64 Packages
Err http://extras.ubuntu.com trusty/main Translation-en
Hit http://archive.ubuntu.com trusty-updates/universe amd64 Packages
Hit http://security.ubuntu.com trusty-security/main i386 Packages
Err http://extras.ubuntu.com trusty/main Translation-de
Hit http://archive.ubuntu.com trusty-updates/multiverse i386 Packages
Hit http://security.ubuntu.com trusty-security/universe i386 Packages
Err http://extras.ubuntu.com trusty/main Translation-en
Hit http://archive.ubuntu.com trusty-updates/restricted i386 Packages
Hit http://security.ubuntu.com trusty-security/main Translation-en
Err http://extras.ubuntu.com trusty/main Translation-de
Hit http://archive.ubuntu.com trusty-updates/main i386 Packages
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Err http://extras.ubuntu.com trusty/main Translation-en
Hit http://archive.ubuntu.com trusty-updates/universe i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Err http://extras.ubuntu.com trusty/main Translation-de
Hit http://archive.ubuntu.com trusty-updates/main Translation-en
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Ign http://extras.ubuntu.com trusty/main Translation-en
Hit http://archive.ubuntu.com trusty-updates/multiverse Translation-en
Ign http://extras.ubuntu.com trusty/main Translation-de
Hit http://archive.ubuntu.com trusty-updates/restricted Translation-en
Hit http://archive.ubuntu.com trusty-updates/universe Translation-en
Hit http://archive.ubuntu.com trusty-proposed/multiverse amd64 Packages
Hit http://archive.ubuntu.com trusty-proposed/restricted amd64 Packages
Hit http://archive.ubuntu.com trusty-proposed/main amd64 Packages
Hit http://archive.ubuntu.com trusty-proposed/universe amd64 Packages
Hit http://archive.ubuntu.com trusty-proposed/multiverse i386 Packages
Hit http://archive.ubuntu.com trusty-proposed/restricted i386 Packages
Hit http://archive.ubuntu.com trusty-proposed/main i386 Packages
Hit http://archive.ubuntu.com trusty-proposed/universe i386 Packages
Hit http://archive.ubuntu.com trusty-proposed/main Translation-en
Hit http://archive.ubuntu.com trusty-proposed/multiverse Translation-en
Hit http://archive.ubuntu.com trusty-proposed/restricted Translation-en
Hit http://archive.ubuntu.com trusty-proposed/universe Translation-en
Hit http://archive.ubuntu.com trusty-backports/multiverse amd64 Packages
Hit http://archive.ubuntu.com trusty-backports/restricted amd64 Packages
Hit http://archive.ubuntu.com trusty-backports/main amd64 Packages
Hit http://archive.ubuntu.com trusty-backports/universe amd64 Packages
Hit http://archive.ubuntu.com trusty-backports/multiverse i386 Packages
Hit http://archive.ubuntu.com trusty-backports/restricted i386 Packages
Hit http://archive.ubuntu.com trusty-backports/main i386 Packages
Hit http://archive.ubuntu.com trusty-backports/universe i386 Packages
Hit http://archive.ubuntu.com trusty-backports/main Translation-en
Hit http://archive.ubuntu.com trusty-backports/multiverse Translation-en
Hit http://archive.ubuntu.com trusty-backports/restricted Translation-en
Hit http://archive.ubuntu.com trusty-backports/universe Translation-en
Hit http://archive.ubuntu.com trusty Release
Hit http://archive.ubuntu.com trusty/restricted Sources
Hit http://archive.ubuntu.com trusty/main Sources
Hit http://archive.ubuntu.com trusty/universe Sources
Hit http://archive.ubuntu.com trusty/multiverse Sources
Hit http://archive.ubuntu.com trusty/main amd64 Packages
Hit http://archive.ubuntu.com trusty/universe amd64 Packages
Hit http://archive.ubuntu.com trusty/restricted amd64 Packages
Hit http://archive.ubuntu.com trusty/multiverse amd64 Packages
Hit http://archive.ubuntu.com trusty/main i386 Packages
Hit http://archive.ubuntu.com trusty/universe i386 Packages
Hit http://archive.ubuntu.com trusty/restricted i386 Packages
Hit http://archive.ubuntu.com trusty/multiverse i386 Packages
Hit http://archive.ubuntu.com trusty/main Translation-en
Hit http://archive.ubuntu.com trusty/main Translation-de
Hit http://archive.ubuntu.com trusty/multiverse Translation-en
Hit http://archive.ubuntu.com trusty/multiverse Translation-de
Hit http://archive.ubuntu.com trusty/restricted Translation-en
Hit http://archive.ubuntu.com trusty/restricted Translation-de
Hit http://archive.ubuntu.com trusty/universe Translation-en
Hit http://archive.ubuntu.com trusty/universe Translation-de
Fetched 71 B in 0s (0 B/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Updating repository information
Hit http://archive.canonical.com xenial InRelease
Hit http://archive.ubuntu.com xenial InRelease
Hit http://security.ubuntu.com xenial-security InRelease
Hit http://archive.ubuntu.com xenial-updates InRelease
Hit http://archive.canonical.com xenial/partner amd64 Packages
Hit http://archive.ubuntu.com xenial-proposed InRelease
Hit http://archive.canonical.com xenial/partner i386 Packages
Hit http://archive.ubuntu.com xenial-backports InRelease
Hit http://security.ubuntu.com xenial-security/multiverse amd64 Packages
Hit http://archive.canonical.com xenial/partner Translation-en
Hit http://archive.ubuntu.com xenial/restricted Sources
Hit http://security.ubuntu.com xenial-security/restricted amd64 Packages
Hit http://archive.ubuntu.com xenial/main Sources
Hit http://security.ubuntu.com xenial-security/main amd64 Packages
Hit http://archive.ubuntu.com xenial/universe Sources
Hit http://security.ubuntu.com xenial-security/universe amd64 Packages
Hit http://archive.ubuntu.com xenial/multiverse Sources
Hit http://security.ubuntu.com xenial-security/multiverse i386 Packages
Hit http://archive.ubuntu.com xenial/main amd64 Packages
Hit http://security.ubuntu.com xenial-security/restricted i386 Packages
Hit http://archive.ubuntu.com xenial/universe amd64 Packages
Hit http://security.ubuntu.com xenial-security/main i386 Packages
Hit http://archive.ubuntu.com xenial/restricted amd64 Packages
Hit http://security.ubuntu.com xenial-security/universe i386 Packages
Hit http://archive.ubuntu.com xenial/multiverse amd64 Packages
Hit http://security.ubuntu.com xenial-security/main Translation-en
Hit http://archive.ubuntu.com xenial/main i386 Packages
Hit http://security.ubuntu.com xenial-security/multiverse Translation-en
Hit http://archive.ubuntu.com xenial/universe i386 Packages
Hit http://security.ubuntu.com xenial-security/restricted Translation-en
Hit http://archive.ubuntu.com xenial/restricted i386 Packages
Hit http://security.ubuntu.com xenial-security/universe Translation-en
Hit http://archive.ubuntu.com xenial/multiverse i386 Packages
Hit http://archive.ubuntu.com xenial/main Translation-en
Hit http://archive.ubuntu.com xenial/main Translation-de
Hit http://archive.ubuntu.com xenial/multiverse Translation-en
Hit http://archive.ubuntu.com xenial/multiverse Translation-de
Hit http://archive.ubuntu.com xenial/restricted Translation-en
Hit http://archive.ubuntu.com xenial/restricted Translation-de
Hit http://archive.ubuntu.com xenial/universe Translation-en
Hit http://archive.ubuntu.com xenial/universe Translation-de
Hit http://archive.ubuntu.com xenial-updates/multiverse amd64 Packages
Hit http://archive.ubuntu.com xenial-updates/restricted amd64 Packages
Hit http://archive.ubuntu.com xenial-updates/main amd64 Packages
Hit http://archive.ubuntu.com xenial-updates/universe amd64 Packages
Hit http://archive.ubuntu.com xenial-updates/multiverse i386 Packages
Hit http://archive.ubuntu.com xenial-updates/restricted i386 Packages
Hit http://archive.ubuntu.com xenial-updates/main i386 Packages
Hit http://archive.ubuntu.com xenial-updates/universe i386 Packages
Hit http://archive.ubuntu.com xenial-updates/main Translation-en
Hit http://archive.ubuntu.com xenial-updates/multiverse Translation-en
Hit http://archive.ubuntu.com xenial-updates/restricted Translation-en
Hit http://archive.ubuntu.com xenial-updates/universe Translation-en
Hit http://archive.ubuntu.com xenial-proposed/multiverse amd64 Packages
Hit http://archive.ubuntu.com xenial-proposed/restricted amd64 Packages
Hit http://archive.ubuntu.com xenial-proposed/main amd64 Packages
Hit http://archive.ubuntu.com xenial-proposed/universe amd64 Packages
Hit http://archive.ubuntu.com xenial-proposed/multiverse i386 Packages
Hit http://archive.ubuntu.com xenial-proposed/restricted i386 Packages
Hit http://archive.ubuntu.com xenial-proposed/main i386 Packages
Hit http://archive.ubuntu.com xenial-proposed/universe i386 Packages
Hit http://archive.ubuntu.com xenial-proposed/main Translation-en
Hit http://archive.ubuntu.com xenial-proposed/main Translation-de
Hit http://archive.ubuntu.com xenial-proposed/multiverse Translation-en
Hit http://archive.ubuntu.com xenial-proposed/multiverse Translation-de
Hit http://archive.ubuntu.com xenial-proposed/restricted Translation-en
Hit http://archive.ubuntu.com xenial-proposed/restricted Translation-de
Hit http://archive.ubuntu.com xenial-proposed/universe Translation-en
Hit http://archive.ubuntu.com xenial-proposed/universe Translation-de
Hit http://archive.ubuntu.com xenial-backports/multiverse amd64 Packages
Hit http://archive.ubuntu.com xenial-backports/restricted amd64 Packages
Hit http://archive.ubuntu.com xenial-backports/main amd64 Packages
Hit http://archive.ubuntu.com xenial-backports/universe amd64 Packages
Hit http://archive.ubuntu.com xenial-backports/multiverse i386 Packages
Hit http://archive.ubuntu.com xenial-backports/restricted i386 Packages
Hit http://archive.ubuntu.com xenial-backports/main i386 Packages
Hit http://archive.ubuntu.com xenial-backports/universe i386 Packages
Hit http://archive.ubuntu.com xenial-backports/main Translation-en
Hit http://archive.ubuntu.com xenial-backports/multiverse Translation-en
Hit http://archive.ubuntu.com xenial-backports/restricted Translation-en
Hit http://archive.ubuntu.com xenial-backports/universe Translation-en
Fetched 0 B in 0s (0 B/s)
Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Calculating the changes
Calculating the changes
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.
Restoring original system state
Aborting
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-97.144-generic 3.13.11-ckt39
Uname: Linux 3.13.0-97-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME
Date: Mon Oct 3 17:42:13 2016
InstallationDate: Installed on 2014-01-16 (990 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-10-03 (0 days ago)
VarLogDistupgradeTermlog:
