Public bug reported:
installed LTS 14.04 on laptop DELL inspiron 7000;
when performing upgrade to 16.04:
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;
many broken packages;
tried:
sudo apt-get clean,
sudo apt-get install -f,
sudo dpkg --configure -a,
sudo apt-get update,
sudo rm /var/lib/apt/lists/* -vf:
no result
removed also some specific packages as:
mplayer
sudo apt remove postgresql-* admin*
no result
removed with synaptic broken packages
no result
thanks for any help
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.10
ProcVersionSignature: Ubuntu 3.13.0-158.208-generic 3.13.11-ckt39
Uname: Linux 3.13.0-158-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Wed Sep 12 07:16:07 2018
InstallationDate: Installed on 2014-01-31 (1684 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2018-09-12 (0 days ago)
VarLogDistupgradeTermlog:
mtime.conffile..etc.update.manager.release.upgrades: 2018-09-12T06:58:32.546024
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade third-party-packages trusty
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https://bugs.launchpad.net/bugs/1792080
Title:
problem in upgradating from LTS 14.04 to LTS 16.04
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