[Bug 1838011] Re: Issue with upgrading from 18.04 to Disco 19.04

[Chris Guiver]

Thank you for your report.

Ubuntu 18.04 LTS is intended to upgrade to Ubuntu 18.10
(https://wiki.ubuntu.com/CosmicCuttlefish/ReleaseNotes) or to Ubuntu
20.04 LTS (after 20.04.1's release), ie. the next release or next LTS
release.

If you read Ubuntu 19.04's release notes
(https://wiki.ubuntu.com/DiscoDingo/ReleaseNotes) you'll note only
mention of upgrading from Ubuntu 18.10 as this is all that's supported.

For information on Ubuntu upgrade paths please see
https://help.ubuntu.com/community/UpgradeNotes

Bug reports on an untested and unsupported upgrade path make little
sense, thus I've marked this bug report invalid.  If you believe I'm in
error, please change it back to new and give a reason why you believe
it's valid.  Thanks again for using Ubuntu.

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

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https://bugs.launchpad.net/bugs/1838011

Title:
  Issue with upgrading from 18.04 to Disco 19.04

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

Bug description:
  Ubuntu upgrade wont work

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.34
  ProcVersionSignature: Ubuntu 4.15.0-55.60-generic 4.15.18
  Uname: Linux 4.15.0-55-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Jul 26 16:07:54 2019
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-xenial-amd64-20160624-2
  InstallationDate: Installed on 2019-03-05 (143 days ago)
  InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2019-07-26 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2019-03-31T11:06:34.112551

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