Public bug reported:
I'm using ubuntu 12.04 LTS and trying to upgrade to Ubuntu 14.04 LTS.
I have all upgrades for my current version, but when I try to upgrade it
returns:
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.
So, here I am. I already try to remove all ppa's that I added. And a few other
things.
Any advice or response for this bug?
Thanks in advance
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.18
ProcVersionSignature: Ubuntu 3.13.0-51.84~precise1-generic 3.13.11-ckt18
Uname: Linux 3.13.0-51-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.8
Architecture: amd64
Date: Fri May 1 16:54:00 2015
GsettingsChanges:
com.ubuntu.update-manager first-run false
com.ubuntu.update-manager launch-time 1430509684
com.ubuntu.update-manager show-details true
com.ubuntu.update-manager window-height 658
com.ubuntu.update-manager window-width 617
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2015-05-01 (0 days ago)
** Affects: update-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade precise running-unity
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https://bugs.launchpad.net/bugs/1450900
Title:
I just can't do a release upgrade. No matter what I try.
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