[Bug 1561420] Re: Upgrade from Trusty to Xenial failed (Ubuntu Studio)

[Ross Gammon]

** Attachment added: "Screenshot 1"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1561420/+attachment/4609530/+files/UbuntuStudioTrusty1404UpgradetoXenial.png

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https://bugs.launchpad.net/bugs/1561420

Title:
  Upgrade from Trusty to Xenial failed (Ubuntu Studio)

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

Bug description:
  Running the upgrade-manager -d -c from an Ubuntu Studio Trusty 14.04.4
  VM (Virtual Box), to Xenial fails with a "Could not calculate the
  upgrade error". Will upload some screenshots from the host in a
  minute.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 4.2.0-34.39~14.04.1-lowlatency 4.2.8-ckt4
  Uname: Linux 4.2.0-34-lowlatency x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  CurrentDmesg.txt:
   [   38.455843] init: plymouth-upstart-bridge main process ended, respawning
   [   39.457580] init: plymouth-stop pre-start process (1269) terminated with status 1
  Date: Thu Mar 24 10:18:18 2016
  InstallationDate: Installed on 2016-02-17 (35 days ago)
  InstallationMedia: Ubuntu-Studio 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160216)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-03-24 (0 days ago)
  VarLogDistupgradeTermlog:

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