[Bug 1775966] [NEW] Distribution upgrade fails

[Thijs]

Public bug reported:

An unresolvable problem occurred while calculating the upgrade.

Not sure what else to report.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: ubuntu-release-upgrader-core 1:17.10.11
ProcVersionSignature: Ubuntu 4.13.0-43.48-generic 4.13.16
Uname: Linux 4.13.0-43-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.7-0ubuntu3.9
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME
Date: Sat Jun  9 13:16:45 2018
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-05-05 (2225 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to artful on 2018-06-09 (0 days ago)
VarLogDistupgradeTermlog:

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


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

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https://bugs.launchpad.net/bugs/1775966

Title:
  Distribution upgrade fails

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

Bug description:
  An unresolvable problem occurred while calculating the upgrade.

  Not sure what else to report.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: ubuntu-release-upgrader-core 1:17.10.11
  ProcVersionSignature: Ubuntu 4.13.0-43.48-generic 4.13.16
  Uname: Linux 4.13.0-43-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.20.7-0ubuntu3.9
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Sat Jun  9 13:16:45 2018
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-05-05 (2225 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to artful on 2018-06-09 (0 days ago)
  VarLogDistupgradeTermlog:

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