*** This bug is a duplicate of bug 1611737 ***
https://bugs.launchpad.net/bugs/1611737
Public bug reported:
1. Release of Ubuntu
Ubuntu 16.04.5 LTS
2. apt policy ubuntu-release-upgrader-core
Installed: 1:16.04.26
Candidate: 1:18.04.29
Version table:
1:18.04.29 500
500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
500 http://archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages
1:18.04.17 500
500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
500 http://archive.ubuntu.com/ubuntu bionic/main i386 Packages
500 http://ca.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
500 http://ca.archive.ubuntu.com/ubuntu bionic/main i386 Packages
*** 1:16.04.26 100
100 /var/lib/dpkg/status
3. I expected my system to upgrade to 18.04.
4. The upgrade process failed with the following error:
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
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.26
ProcVersionSignature: Ubuntu 4.15.0-43.46~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-43-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME
Date: Sun Jan 6 12:44:57 2019
InstallationDate: Installed on 2017-09-12 (480 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2019-01-06 (0 days ago)
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade xenial
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1810673
Title:
Cannot upgrade 16.04 to 18.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1810673/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
