[Bug 1529307] Re: update from 14.04 LTS to 16.04 LTS using sudo do-release-upgrade -d

[Flames_in_Paradise]

The option -D will put your machine into the development-release 16.04.

Just look at the last few lines of your attached log-file:

2015-12-25 19:52:00,602 DEBUG entry '# deb http://ppa.launchpad.net/gezakovacs/ppa/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,602 DEBUG examining: 'deb http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu trusty main'
2015-12-25 19:52:00,607 DEBUG entry '# deb http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,607 DEBUG examining: 'deb http://ppa.launchpad.net/webupd8team/unstable/ubuntu trusty main'
2015-12-25 19:52:00,612 DEBUG entry '# deb http://ppa.launchpad.net/webupd8team/unstable/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,612 DEBUG examining: 'deb http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu trusty main'
2015-12-25 19:52:00,617 DEBUG entry '# deb http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,617 DEBUG examining: 'deb http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu trusty main'
2015-12-25 19:52:00,622 DEBUG entry '# deb http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,623 DEBUG examining: 'deb-src http://ppa.launchpad.net/gezakovacs/ppa/ubuntu trusty main'
2015-12-25 19:52:00,627 DEBUG entry '# deb-src http://ppa.launchpad.net/gezakovacs/ppa/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,628 DEBUG examining: 'deb-src http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu trusty main'
2015-12-25 19:52:00,632 DEBUG entry '# deb-src http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,633 DEBUG examining: 'deb-src http://ppa.launchpad.net/webupd8team/unstable/ubuntu trusty main'
2015-12-25 19:52:00,637 DEBUG entry '# deb-src http://ppa.launchpad.net/webupd8team/unstable/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,637 DEBUG examining: 'deb-src http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu trusty main'
2015-12-25 19:52:00,642 DEBUG entry '# deb-src http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,642 DEBUG examining: 'deb-src http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu trusty main'
2015-12-25 19:52:00,647 DEBUG entry '# deb-src http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,647 DEBUG examining: 'deb http://dl.google.com/linux/chrome/deb/ stable main'
2015-12-25 19:52:00,652 DEBUG entry '# deb http://dl.google.com/linux/chrome/deb/ stable main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,652 DEBUG examining: 'deb http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu trusty main'
2015-12-25 19:52:00,657 DEBUG entry '# deb http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2015-12-25 19:52:00,657 DEBUG examining: 'deb http://ppa.launchpad.net/fossfreedom/rhythmbox-plugins/ubuntu trusty main'
2015-12-25 19:52:00,662 DEBUG entry '# deb http://ppa.launchpad.net/fossfreedom/rhythmbox-plugins/ubuntu xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)

Not sure if this is what you really want? Too many ppa-repositories
hinder an upgrade. Noone says so about the disadvantages using ppa's
when it comes to Upgrade. Suffered this myself years ago. Options are
you remove the packages (hopefully catch any related packages) or you
make use of the ppa-purge command, which is the best recommondation
(especially for xorg-edgers).

ppa-purge is meant/used to replace any packages from ppa with the
release-version.

Since not knowing very much about your installation, it may even be
recommended to make a fresh install without formatting your home-
partiton. This way all your personal data wont be deleted - but you only
get a basic installation.

In general it's advised to follow the instructions for Upgrade from
Trusty's Release-Notes:

https://wiki.ubuntu.com/TrustyTahr/ReleaseNotes/14.04.3#Upgrading_from_Ubuntu_12.04_LTS_or_Ubuntu_13.10

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https://bugs.launchpad.net/bugs/1529307

Title:
  update from 14.04 LTS to 16.04 LTS using sudo do-release-upgrade -d

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

Bug description:
  I am currently using 14.04 LTS and I'm trying to upgrade to 16.04 LTS
  Alpha. Commands used: sudo apt-get update; sudo apt-get dist-upgrade;
  sudo apt-get upgrade; sudo update-grub; sudo do-release-upgrade -d.
  Starts to upgrade and says Aborted install and restores state back to
  14.04 LTS. I am using a Toshiba Satellite C655D-S5518 w/ 4GB
  RAM(upgraded) and a 500GB SATA HDD(upgraded). Everything is functional
  for upgrades up to 15.10, but not to 16.04 Alpha. Used terminal to
  attempt upgrade and fail everytime. Also tried in shell mode without
  GUI, but still failed to upgrade to 16.04. Using Ubuntu 14.04.3 LTS
  that is up to date as of 10 minutes ago.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.19.0-42.48~14.04.1-generic 3.19.8-ckt10
  Uname: Linux 3.19.0-42-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Dec 25 19:54:37 2015
  InstallationDate: Installed on 2015-12-21 (4 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  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 2015-12-26 (0 days ago)

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