Unable to upgrade from 14.04 to 16.04
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-release-upgrader (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
Unable to upgrade from 14.04 to 16.04
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-
Restoring original system state
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-
ProcVersionSign
Uname: Linux 3.13.0-92-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sun Jul 31 12:07:20 2016
InstallationDate: Installed on 2015-02-08 (538 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitec
SourcePackage: ubuntu-
UpgradeStatus: Upgraded to trusty on 2016-07-31 (0 days ago)
Status changed to 'Confirmed' because the bug affects multiple users.