[Bug 1828609] Re: Cannot do updates, not even partial

[Tom Reynolds]

https://launchpadlibrarian.net/423140934/VarLogDistupgradeAptlog.txt
seems to suggest you have packages from multiple Ubuntu releases
installed. If this can be confirmed, then this is more of a support case
than a bug in the software.

This said, more robust handling by the release upgrader (detecting this
situation - which is difficult to do -, and handling it, probably by
preventing a release upgrade to be initiated under these unsafe
conditions, and providing further suggestion) would be more than just
nice to have in general (and deserves its separate bug report).

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1828609

Title:
  Cannot do updates, not even partial

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

Bug description:
  This computer often has difficult startups, but also for a long time
  has not been able to update because it seems it must have had an
  interrupted update in the past.  While I write this it has launched
  itself into an upgrade which I did not intend but maybe could fix the
  problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.4.0-141.167-generic 4.4.162
  Uname: Linux 4.4.0-141-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Fri May 10 12:25:31 2019
  InstallationDate: Installed on 2016-02-24 (1171 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: No upgrade log present (probably fresh install)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2017-04-25T12:55:10.396663

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