Public bug reported:
I'm attempring to upgrade from Ubuntu 14.04 to 16.04, after Mattia
Rizzolo pointed out to me that 16.04 is OK for 32-bit machines.
The message from Distribution Upggrade was
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
I do use a few non-Ubuntu packages, how can I discover which ones are
causing the problem, please?
Cheers, Nevil (and thanks very much for your support)
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.11
ProcVersionSignature: Ubuntu 4.4.0-148.174~14.04.1-generic 4.4.177
Uname: Linux 4.4.0-148-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: i386
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Thu Jan 14 16:41:06 2021
InstallationDate: Installed on 2016-05-13 (1706 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release i386 (20160217.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2021-01-14 (0 days ago)
VarLogDistupgradeTermlog:
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: apport-bug dist-upgrade i386 third-party-packages trusty
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https://bugs.launchpad.net/bugs/1911607
Title:
uprage 14.04 to 16.04 on 32-bit machine failed
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