[Bug 1586715] [NEW] Failed to install Ubuntu Studio from 14.04 directly to 16.04

[TBerk]

Public bug reported:


Update failed citing 'Third Party entries in Sources List..' (paraphrased).

This is an Asus laptop w/ Intel chipset, 4G RAM, dual core Celeron CPU.

(I'm understanding the actual bug report is contained in an included
report...)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.16.0-72.93~14.04.1-lowlatency 3.16.7-ckt27
Uname: Linux 3.16.0-72-lowlatency x86_64
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Sat May 28 18:20:17 2016
InstallationDate: Installed on 2015-12-10 (170 days ago)
InstallationMedia: Ubuntu-Studio 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-05-29 (0 days ago)

** 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/1586715

Title:
  Failed to install Ubuntu Studio from 14.04 directly to 16.04

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

Bug description:
  
  Update failed citing 'Third Party entries in Sources List..' (paraphrased).

  This is an Asus laptop w/ Intel chipset, 4G RAM, dual core Celeron
  CPU.

  (I'm understanding the actual bug report is contained in an included
  report...)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.16.0-72.93~14.04.1-lowlatency 3.16.7-ckt27
  Uname: Linux 3.16.0-72-lowlatency x86_64
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Sat May 28 18:20:17 2016
  InstallationDate: Installed on 2015-12-10 (170 days ago)
  InstallationMedia: Ubuntu-Studio 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-05-29 (0 days ago)

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