Public bug reported:
The GUI warned that ubuntu-minimal could not be located.
The console version showed this:
"""
After updating your package information, the essential package
'ubuntu-minimal' could not be located. This may be because you have
no official mirrors listed in your software sources, or because of
excessive load on the mirror you are using. See /etc/apt/sources.list
for the current list of configured software sources.
In the case of an overloaded mirror, you may want to try the upgrade
again later.
Restoring original system state
Aborting
"""
This could possibly be caused by me using a custom APT mirror (apt-
cacher-ng).
Replacing all of `MY_MIRROR` with `nl.archive.ubuntu.com` in
sources.list seems to do the trick. The console do-release-upgrade now
continues (and later aborts on disk space issues with /boot, but that
was easily fixed as well).
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-88.135-generic 3.13.11-ckt39
Uname: Linux 3.13.0-88-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CrashDB: ubuntu
Date: Mon Aug 15 08:29:28 2016
InstallationDate: Installed on 2014-04-29 (838 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-08-15 (0 days ago)
VarLogDistupgradeAptlog:
Log time: 2016-08-15 08:29:01.398250
Log time: 2016-08-15 08:29:13.357910
Log time: 2016-08-15 08:29:22.426505
Log time: 2016-08-15 08:29:34.568601
VarLogDistupgradeTermlog:
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade trusty
** Attachment removed: "VarLogDistupgradeAptclonesystemstate.tar.gz"
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1613183/+attachment/4721070/+files/VarLogDistupgradeAptclonesystemstate.tar.gz
** Attachment removed: "VarLogDistupgradeMainlog.txt"
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1613183/+attachment/4721072/+files/VarLogDistupgradeMainlog.txt
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https://bugs.launchpad.net/bugs/1613183
Title:
gui do-release-upgrade 14.04->16.04 stopped (because of no ubuntu-
minimal mirror?)
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