[Bug 1788301] [NEW] Dist-upgrade failed from bionic to cosmic

[hpeck]

Public bug reported:

I tried to do the release upgrade to cosmic which failed

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.24
ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Tue Aug 21 23:50:17 2018
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2018-08-21 (0 days ago)
mtime.conffile..etc.update-manager.release-upgrades: 2018-06-13T14:05:16.872456

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


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

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https://bugs.launchpad.net/bugs/1788301

Title:
  Dist-upgrade failed from bionic to cosmic

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

Bug description:
  I tried to do the release upgrade to cosmic which failed

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.24
  ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Tue Aug 21 23:50:17 2018
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2018-08-21 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2018-06-13T14:05:16.872456

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