[Bug 1683702] Re: Cannot upgrade from 16.10 to 17.04

[Luis Alberto Pabón]

Because disabling these ppas don't remove the packages installed. In this
case, oibaf ppa had newer packages as per version numbering than 17.04 thus
apt being unable to resolve valid dependencies.

On Tue, 30 May 2017, 19:51 Oxwivi, <1683702 at bugs.launchpad.net> wrote:

> Why would oibaf or any other PPA cause a hold-up? Doesn't the upgrade
> process explicitly state that it's disabling third-party sources?
>
> Third party sources disabled
>
> Some third party entries in your sources.list were disabled. You can
> re-enable them after the upgrade with the 'software-properties' tool
> or your package manager.
>
> To continue please press [ENTER]
>
> Does that mean only non-PPA repos? I think PPAs should be considered to
> be disabled in that case.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1683702
>
> Title:
>   Cannot upgrade from 16.10 to 17.04
>
> To manage notifications about this bug go to:
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https://bugs.launchpad.net/bugs/1683702

Title:
  Cannot upgrade from 16.10 to 17.04

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

Bug description:
  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done

  Calculating the changes

  Calculating the changes

  Could not determine the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  This can be caused by: 
  * Upgrading to a pre-release version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  * Unofficial software packages not provided by Ubuntu 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: ubuntu-release-upgrader-core 1:16.10.10
  ProcVersionSignature: Ubuntu 4.8.0-46.49-generic 4.8.17
  Uname: Linux 4.8.0-46-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8.2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Tue Apr 18 10:18:09 2017
  InstallationDate: Installed on 2016-03-13 (400 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to yakkety on 2017-04-18 (0 days ago)

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