[Bug 1908021] [NEW] upgrade fails; it reported "Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to investigate this yourself the log files in '/var/log/dist-upgrade' will contain details about the upgrade. Specifically, look at 'main.log' and 'apt.log'." and previously incompatible ppa

[Michael White]

Public bug reported:

At first, it reported possible problem with PPA, so I searched for
information about the ppa's and found references to ppa-purge, which is
not an installable app, after I tried sudo apt-get install ppa-purge
or ppapurge.  Then I found an article that showed up to get to the ppa
list in the software updater tool.  I did so;  it sill cannot calculate
the upgrade.

I run about 6 different computers.  This computer is a back up computer,
running Ubuntu 18:04 and I'm trying to upgrdae to 20:04.   On my main
Linux computer, I'm running Pop!_OS.  I have Ubuntu studio on the
computer I use for my radio show (www.baroqueandbeyondradio.com or more
simply bnbradio.com), and then have Microsuck Windows on a desktop and
laptop to connect to work via required VPN.

So, updating this computer is not urgent, but I would like to finish an
update.

michael.white at gemair.com

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.41
ProcVersionSignature: Ubuntu 4.15.0-128.131-generic 4.15.18
Uname: Linux 4.15.0-128-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.20
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Sun Dec 13 21:30:10 2020
InstallationDate: Installed on 2019-01-11 (703 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-12-14 (0 days ago)
VarLogDistupgradeTermlog:

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


** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages

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https://bugs.launchpad.net/bugs/1908021

Title:
  upgrade fails;  it reported "Could not calculate the upgrade  An
  unresolvable problem occurred while calculating the upgrade.   If none
  of this applies, then please report this bug using the command
  'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want
  to investigate this yourself the log files in '/var/log/dist-upgrade'
  will contain details about the upgrade. Specifically, look at
  'main.log' and 'apt.log'." and previously incompatible ppa

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

Bug description:
  At first, it reported possible problem with PPA, so I searched for
  information about the ppa's and found references to ppa-purge, which
  is not an installable app, after I tried sudo apt-get install ppa-
  purge   or ppapurge.  Then I found an article that showed up to get to
  the ppa list in the software updater tool.  I did so;  it sill cannot
  calculate the upgrade.

  I run about 6 different computers.  This computer is a back up
  computer, running Ubuntu 18:04 and I'm trying to upgrdae to 20:04.
  On my main Linux computer, I'm running Pop!_OS.  I have Ubuntu studio
  on the computer I use for my radio show (www.baroqueandbeyondradio.com
  or more simply bnbradio.com), and then have Microsuck Windows on a
  desktop and laptop to connect to work via required VPN.

  So, updating this computer is not urgent, but I would like to finish
  an update.

  michael.white at gemair.com

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.41
  ProcVersionSignature: Ubuntu 4.15.0-128.131-generic 4.15.18
  Uname: Linux 4.15.0-128-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.20
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Dec 13 21:30:10 2020
  InstallationDate: Installed on 2019-01-11 (703 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-12-14 (0 days ago)
  VarLogDistupgradeTermlog:

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