[Bug 1825589] [NEW] upgrade from 18.10 to 19.04 failed, backout didn't run

[brynrahm]

Public bug reported:

Ran upgrade for 18.10 to 19.04. Towards the end of installing packages, there was an upgrade failed message saying it would run back-out. There was no mention of what specifically failed. The software updater then disappeared.
After rebooting (perhaps a mistake) system is apparently working and lsb -rd and System says it's 19.04

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: ubuntu-release-upgrader-core 1:19.04.16
ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
Uname: Linux 5.0.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 19 18:46:49 2019
InstallationDate: Installed on 2014-04-06 (1839 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: Upgraded to disco on 2019-04-19 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug disco dist-upgrade

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https://bugs.launchpad.net/bugs/1825589

Title:
  upgrade from 18.10 to 19.04 failed, backout didn't run

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

Bug description:
  Ran upgrade for 18.10 to 19.04. Towards the end of installing packages, there was an upgrade failed message saying it would run back-out. There was no mention of what specifically failed. The software updater then disappeared.
  After rebooting (perhaps a mistake) system is apparently working and lsb -rd and System says it's 19.04

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: ubuntu-release-upgrader-core 1:19.04.16
  ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
  Uname: Linux 5.0.0-13-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 19 18:46:49 2019
  InstallationDate: Installed on 2014-04-06 (1839 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to disco on 2019-04-19 (0 days ago)
  VarLogDistupgradeTermlog:

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