[Bug 1792657] [NEW] upgrading to 18.04 from 16.04 fails

[Ganesh Sugunan]

Public bug reported:

attempting to upgrade from 16.04 to 18.04, it looks like it might be
failing because it can't release a lock, but that makes no sense; I'm
pretty sure it's because of a held package, but I can't figure out which
one, any ideas?

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.25
Uname: Linux 4.12.4-041204-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Fri Sep 14 20:54:56 2018
InstallationDate: Installed on 2012-10-18 (2157 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2018-09-15 (0 days ago)
VarLogDistupgradeTermlog:

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


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

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https://bugs.launchpad.net/bugs/1792657

Title:
  upgrading to 18.04 from 16.04 fails

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

Bug description:
  attempting to upgrade from 16.04 to 18.04, it looks like it might be
  failing because it can't release a lock, but that makes no sense; I'm
  pretty sure it's because of a held package, but I can't figure out
  which one, any ideas?

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  Uname: Linux 4.12.4-041204-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Fri Sep 14 20:54:56 2018
  InstallationDate: Installed on 2012-10-18 (2157 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-09-15 (0 days ago)
  VarLogDistupgradeTermlog:

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