[Bug 1753287] Re: Trying to upgrade from 14.04 LTS to 16.04 LTS

[Brian Murray]

Something went wrong when the release upgrader was trying to create a
sources.list file for your upgrade. I suspect the problematic lines in
your original sources.list file are the following:

 57 deb https://apt.dockerproject.org/repo/ ubuntu-trusty main
 58 # deb-src https://apt.dockerproject.org/repo/ ubuntu-trusty main
 59 
 60 # Need for lilyterm
 61 deb http://debian.luna.com.tw/trusty ./
 62 deb-src http://debian.luna.com.tw/trusty ./
 63 
 64 deb http://www.fbriere.net/debian stable misc

Please comment those out and try the upgrade again.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1753287

Title:
  Trying to upgrade from 14.04 LTS to 16.04 LTS

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

Bug description:
  Ran
  sudo do-release-upgrade

  I hit Enter at the first prompt.  Then, 99% [Waiting for headers].
  Then, it says "Error during update" and it aborts.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.9
  ProcVersionSignature: Ubuntu 4.2.0-42.49~14.04.1-generic 4.2.8-ckt12
  Uname: Linux 4.2.0-42-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.27
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Mar  4 11:47:14 2018
  InstallationDate: Installed on 2016-09-19 (531 days ago)
  InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2018-03-04 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2018-03-04 11:29:50.783444
   Log time: 2018-03-04 11:30:05.027134
   Log time: 2018-03-04 11:31:02.311927

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