[Bug 1611737] Re: Can't upgrade from 14.04 to 16.04 if ros-indigo-desktop-full or ros-indigo-perception installed from ROS servers

[LaunchpadLoginDefectReport]

I'd reported a similar problem at Bug #1637781.  I uninstalled all ros-
indigo packages while leaving ros-jade installed, but still got "Could
not calculate the upgrade" when attempting to upgrade 14.04 LTS to 16.04
LTS.

So this may be a problem with ros-jade as well as the older ros-indigo.

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https://bugs.launchpad.net/bugs/1611737

Title:
  Can't upgrade from 14.04 to 16.04 if ros-indigo-desktop-full or ros-
  indigo-perception installed from ROS servers

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

Bug description:
  This message was appear when upgrade

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.19.0-66.74~14.04.1-generic 3.19.8-ckt22
  Uname: Linux 3.19.0-66-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Aug 10 18:41:24 2016
  InstallationDate: Installed on 2015-09-08 (336 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-08-10 (0 days ago)

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