[Bug 1609991] Re: do-release-upgrade from 14.04 to 16.04 fails on HP Microserver

[Ubuntu Foundations Team Bug Bot]

** Tags added: trusty2xenial

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https://bugs.launchpad.net/bugs/1609991

Title:
  do-release-upgrade from 14.04 to 16.04 fails on HP Microserver

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

Bug description:

  root at public:/www# do-release-upgrade
  Checking for a new Ubuntu release
  Get:1 Upgrade tool signature [198 B]
  Get:2 Upgrade tool [1,265 kB]
  Fetched 1,265 kB in 0s (0 B/s)
  authenticate 'xenial.tar.gz' against 'xenial.tar.gz.gpg'
  extracting 'xenial.tar.gz'

  ... starts upgrade process

  System is 'native' 14.04 LTS except for two packages installed from
  PPA:

  1. Nginx webserver
  2. Prosody IM server

  installer says "Third party sources have been disabled - you can re-
  enable them later ..."

  Calculating the changes ...

  Failed to calculate the changes

  Aborting.

  Press 'x' to close the screen.

  
  root at public:/www# lsb_release -rd
  Description:    Ubuntu 14.04.4 LTS
  Release:        14.04

  
  Mike

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-92.139-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-92-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Aug  4 22:28:14 2016
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-08-04 (0 days ago)

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