[Bug 1791505] [NEW] distribution upgrade fails while creating new software channels

[Chris al Gerges]

Public bug reported:

when I try to upgrade ubuntu from 16.04 to 18.04, it fails when it's
setting new software channels. I then get the error that from apt that
an error occurred (depicted as a red circle with a white horizontal line
at the top-right). It says that I should run apt-get in my terminal to
know what was worng with my packages. So I tried to run apt-get and
tried running 'sudo apt-get -f install' or 'sudo apt-get -qq upgrade' in
my terminal, but nothing happened. I get no input in my terminal. So I
am lost right now. my computer still works perfectly, but I just can't
upgrade my distribution version anymore! please help! :(

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.25
ProcVersionSignature: Ubuntu 4.15.0-33.36~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME-Flashback:Unity
Date: Sun Sep  9 13:46:19 2018
InstallationDate: Installed on 2017-09-01 (372 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2018-09-09 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade xenial

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https://bugs.launchpad.net/bugs/1791505

Title:
  distribution upgrade fails while creating new software channels

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

Bug description:
  when I try to upgrade ubuntu from 16.04 to 18.04, it fails when it's
  setting new software channels. I then get the error that from apt that
  an error occurred (depicted as a red circle with a white horizontal
  line at the top-right). It says that I should run apt-get in my
  terminal to know what was worng with my packages. So I tried to run
  apt-get and tried running 'sudo apt-get -f install' or 'sudo apt-get
  -qq upgrade' in my terminal, but nothing happened. I get no input in
  my terminal. So I am lost right now. my computer still works
  perfectly, but I just can't upgrade my distribution version anymore!
  please help! :(

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.15.0-33.36~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME-Flashback:Unity
  Date: Sun Sep  9 13:46:19 2018
  InstallationDate: Installed on 2017-09-01 (372 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2018-09-09 (0 days ago)
  VarLogDistupgradeTermlog:

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