Comment 5 for bug 1898467

Dear Brian,

Thanks for the reply. I tried the commands which you sent and it worked.
Thanks a ton!! Keep up the good work.

Thank you

Shivanshu

On Tue, 6 Oct 2020 at 03:46, Brian Murray <email address hidden>
wrote:

> *** This bug is a duplicate of bug 1069133 ***
> https://bugs.launchpad.net/bugs/1069133
>
> Reviewing the files from your upgrade attempt you seem to have enabled a
> PPA that provides Xorg packages. This will prevent the upgrade as that
> PPA contains package version numbers greater than the release to which
> you are upgrading. You can revert the PPA by installing the ppa-purge
> package from the official Ubuntu archive and then running 'sudo ppa-
> purge ppa:kisak/kisak-mesa'. After that you can try upgrading again and
> if it still fails open a new bug report. Thanks and good luck!
>
> ** Changed in: ubuntu-release-upgrader (Ubuntu)
> Status: New => Invalid
>
> ** Tags added: ppa xorg-kisak-ppa
>
> ** This bug has been marked a duplicate of bug 1069133
> Get upgrade error 12.04 - 12.10 "Could not determine upgrade" - xorg
> from ppa
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1898467
>
> Title:
> "Could not calculate the upgrade" error while upgrading from 18.04 to
> 20.04.1
>
> Status in ubuntu-release-upgrader package in Ubuntu:
> Invalid
>
> Bug description:
> I was trying to upgrade from Ubuntu 18.04 to 20.04.1 . I installed the
> latest software updates as recommended. I started the upgrade process
> but keep getting this error
>
> "Could not calculate the upgrade
>
> This was likely caused by:
> *Unoffocial software packages not provided by Ubuntu."
>
> It recommended the usage of ppa-purge. I installed that command package.
> Then I used the command " grep Broken /var/log/dist-upgrade/apt.log" to
> get the list of the programs that might need to get purged. But I got a
> list of hundreds of programs. Now I am confused about what to do. How do I
> find which ppa to purge or which program to remove?
>
> I just started using Ubuntu so don't know anything about how all of
> this works. Can you help me out?
>
> Thank you
>
> 1) Ubuntu 18.04.5 LTS
> 2)
> 3) Expected an upgrade from 18.04.5 to 20.04.1
> 4) The upgrade did not complete due to some error.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 18.04
> Package: ubuntu-release-upgrader-core 1:18.04.39
> ProcVersionSignature: Ubuntu 5.4.0-49.53~18.04.1-generic 5.4.65
> Uname: Linux 5.4.0-49-generic x86_64
> ApportVersion: 2.20.9-0ubuntu7.18
> Architecture: amd64
> CrashDB: ubuntu
> Date: Sun Oct 4 20:59:39 2020
> InstallationDate: Installed on 2020-04-04 (183 days ago)
> InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64
> (20200203.1)
> PackageArchitecture: all
> ProcEnviron:
> LANGUAGE=en_IN:en
> TERM=xterm-256color
> PATH=(custom, no user)
> LANG=en_IN
> SHELL=/bin/bash
> SourcePackage: ubuntu-release-upgrader
> UpgradeStatus: Upgraded to bionic on 2020-10-04 (0 days ago)
> VarLogDistupgradeTermlog:
>
> mtime.conffile..etc.update-manager.release-upgrades:
> 2020-10-04T17:33:12.039655
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1898467/+subscriptions
>