[Bug 1767358] Re: cant upgrade to 18,10

[Brian Murray]

*** 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 14.04 to 16.04 if ros-indigo-desktop-full or ros-indigo-perception installed from ROS servers

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https://bugs.launchpad.net/bugs/1767358

Title:
  cant upgrade to 18,10

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

Bug description:
  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 1:16.04.25
  ProcVersionSignature: Ubuntu 4.13.0-39.44~16.04.1-generic 4.13.16
  Uname: Linux 4.13.0-39-generic x86_64
  NonfreeKernelModules: wl nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.16
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri Apr 27 14:55:04 2018
  InstallationDate: Installed on 2018-04-01 (25 days ago)
  InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-04-27 (0 days ago)

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