Public bug reported:
Initially, I had third party packages. I purged them, removed
/etc/apt/sources.list.d/*, and even purged the system of the community-
supported apps. Now the only packages on the system are officially
supported ones.
Occasionally, I got errors about a 0xA0 Unicode decode error, which I
eventually tracked to a completely messed up /var/lib/update-manager
/meta-release which was an HTML file. I deleted it and let the system
recreate it on a further run of do-release-upgrade. The new version
appears to be good.
$ lsb_release -rd
Description: Ubuntu 14.04.1 LTS
Release: 14.04
$ apt-cache policy ubuntu-release-upgrader-core
ubuntu-release-upgrader-core:
Installed: 1:0.220.5
Candidate: 1:0.220.5
Version table:
*** 1:0.220.5 0
500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
100 /var/lib/dpkg/status
1:0.220.2 0
500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.5
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CrashDB: ubuntu
Date: Sun Nov 2 17:24:50 2014
InstallationDate: Installed on 2011-10-25 (1104 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2014-11-02 (0 days ago)
mtime.conffile..etc.update.manager.release.upgrades: 2014-11-02T12:49:47.454560
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade trusty
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https://bugs.launchpad.net/bugs/1388639
Title:
do-release-upgrade to 14.10 fails
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