[Bug 1790250] Re: Cannot calculate upgrade when trying to upgrade from 16.04 to 18.04

Mon Sep 3 05:58:41 UTC 2018

*** This bug is a duplicate of bug 1611737 ***
    https://bugs.launchpad.net/bugs/1611737

** This bug has been marked a duplicate of bug 1611737
   Can't upgrade from a release if ros packages are  installed from ROS servers

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https://bugs.launchpad.net/bugs/1790250

Title:
  Cannot calculate upgrade when trying to upgrade from 16.04 to 18.04

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

Bug description:
  I can't seem to have my ubuntu 16.04 upgrade to 18.04.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-134.160-generic 4.4.140
  Uname: Linux 4.4.0-134-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri Aug 31 21:23:17 2018
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-09-01 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2016-12-03T12:36:03.823555

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