[Bug 1611737] Re: Can't upgrade from a release if ros packages are installed from ROS servers

[SHAHBAZ KHAN]

Hey all,
I was facing the same problem. On researching long, I found reason for the cancellation of upgrade was the presence of broken packages. These packages were of ROS as well as of some other softwares. So simply remove those broken packages and then try to upgrade your OS. It will work.

Thanks,
Shahbaz

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

Title:
  Can't upgrade from a release if ros packages are  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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