[Bug 1772645] Re: ubuntu is not upgrading from 16.04 LTS to 18.04 LTS

[Ubuntu Foundations Team Bug Bot]

** Tags added: xenial2bionic

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to ubuntu-release-upgrader in
Ubuntu.
https://bugs.launchpad.net/bugs/1772645

Title:
  ubuntu is not upgrading from 16.04 LTS to 18.04 LTS

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Ubuntu is not upgrading from 16.04 to 18.04 .

  Even when i type sudo do-release-upgrade it is showing that no new
  release found.

  But when i type Alt+F2 and then update-manager -cd it is showing upgrade to 18.04 and then it is stopping at 
  3 rd step reporting that cannot calcualte packages 

  it is showing either ur system is in pre-release version like that.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98
  Uname: Linux 4.4.0-116-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.17
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Tue May 22 17:47:37 2018
  InstallationDate: Installed on 2016-07-30 (661 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to xenial on 2018-05-22 (0 days ago)
  VarLogDistupgradeTermlog:

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1772645/+subscriptions