[Bug 1707998] Re: Upgrade from 14.04.5 to 16.04 failed

[Mi Bree]

Thanks for the response.
I removed spotweb and it upgraded... 
After upgrade network did not work because it was changed from eth0 to ens32, changed it in etc/network/interfaces and then the network worked again (could this be scripted in the upgrade if you have only one network card). Other problems where that my samba smb.conf was gone... added my shares again. Some installed services did not start anymore...

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https://bugs.launchpad.net/bugs/1707998

Title:
  Upgrade from 14.04.5 to 16.04 failed

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

Bug description:
  did a sudo do-release-upgrade
  started but ended with the message An unresolvable problem occurred while calculating the upgrade.

  1) lsb_release -rd
  Description:    Ubuntu 14.04.5 LTS
  Release:        14.04

  2) upgrade to 16.04

  3) Expected the system would upgrade

  4) message "An unresolvable problem occurred while calculating the
  upgrade." Upgrade stopped

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.9
  ProcVersionSignature: Ubuntu 3.5.0-32.53-generic 3.5.7.11
  Uname: Linux 3.5.0-32-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.25
  Architecture: amd64
  CrashDB: ubuntu
  Date: Tue Aug  1 21:28:44 2017
  InstallationDate: Installed on 2013-02-16 (1626 days ago)
  InstallationMedia: Ubuntu-Server 12.10 "Quantal Quetzal" - Release amd64 (20121017.2)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2017-08-01 (0 days ago)

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