Public bug reported:
Upgrade from ubuntu 14 using update-manager failed. Console log follows
:
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
gerard@ASUS-HP-UB:~$ sudo ubuntu-bug ubuntu-release-upgrader-core
(apport-gtk:15348): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
(firefox:15645): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.11
ProcVersionSignature: Ubuntu 3.19.0-80.88~14.04.1-generic 3.19.8-ckt22
Uname: Linux 3.19.0-80-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
CrashDB: ubuntu
Date: Mon May 20 16:39:21 2019
InstallationDate: Installed on 2015-09-25 (1332 days ago)
InstallationMedia: Kubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2019-05-20 (0 days ago)
** 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/1829767
Title:
upgrade to ubuntu 16 from 14 failed
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