[Bug 1787776] Re: Failed to calculate upgrade from 16.04 to 18.04.
Ubuntu Foundations Team Bug Bot
1787776 at bugs.launchpad.net
Sun Aug 19 04:19:53 UTC 2018
** Tags added: xenial2bionic
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https://bugs.launchpad.net/bugs/1787776
Title:
Failed to calculate upgrade from 16.04 to 18.04.
Status in ubuntu-release-upgrader package in Ubuntu:
New
Bug description:
The system reported it could not calculate the upgrade and closed the upgrade process.
Displays following message with no extra information:
"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."
No pre-release version is running and all unofficial ppa have been
removed.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.25
ProcVersionSignature: Ubuntu 4.15.0-32.35~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-32-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sat Aug 18 20:03:27 2018
InstallationDate: Installed on 2018-01-22 (209 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2018-08-19 (0 days ago)
VarLogDistupgradeTermlog:
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