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I upraded to Ubuntu 18.04. The upgrader deactivated my 3rd party PPAs. In particular the one of Winehq. That was expected and is of course completely fine. However, I do not manage to install from the new Bionic version of the PPA. After adding the current ppa, apparently, there are conflicts with old packages that cannot be resolved:

sudo apt install wine-stable

The following packages have unmet dependencies:
 wine-stable : Depends: wine-stable-i386 (= 3.0.3~bionic)
E: Unable to correct problems, you have held broken packages.

Successively adding all the dependencies explicitly to the apt command line gets me to:

The following packages have unmet dependencies:
 libblkid1 : Breaks: libblkid1:i386 (!= 2.32-0.1+18.04+bionic+build4+18.04+bionic+build5) but 2.31.1-0.4ubuntu3.1 is to be installed
 libblkid1:i386 : Breaks: libblkid1 (!= 2.31.1-0.4ubuntu3.1) but 2.32-0.1+18.04+bionic+build4+18.04+bionic+build5 is to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

Note that I tried the variants of apt-get and dpkg that usually help to fix such problems without success.

My system is running fine, otherwise. I am therefore seeking help to understand the cause of the conflict and to return to a consistent system state that allows me to install wine from the Winehq PPA.

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  • "the variants of apt-get and dpkg that usually help to fix such problems" might mean something different to you than they do to me, so you may wish to make that part a bit more explicit. For example, none of "the usual methods" will remove a source. The title does not seem to match the question - are you trying to 'purge' a source as your preferred method of resolving the version conflict? Or are you asking for information about methods of resolving the version conflict?
    – user535733
    Commented Oct 14, 2018 at 17:43
  • I tried various variants that are recommended online for this type of problem, including sudo dpkg --remove-architecture i386, sudo apt-get install -f, sudo apt-get update –fix-missing, sudo apt-get remove --purge wine etc.
    – highsciguy
    Commented Oct 14, 2018 at 18:02
  • Any help to resolve the problem is appreciated. To me it looks as if the cause is an incomplete purge of the old Winehq PPA. Of course, I can't tell definitely how it happened.
    – highsciguy
    Commented Oct 14, 2018 at 18:06
  • Go to Software and Updates and click on other software tab. Check if there is any PPA listed? In my knowledge this is the easiest method.
    – Kulfy
    Commented Oct 14, 2018 at 18:07
  • @Kulfy I can add and remove the PPA and update the apt database. The problem is that apt won't install the packages from the current ppa version. Also I cannot go back to the old one (which would allow me to try a proper PPA purge).
    – highsciguy
    Commented Oct 14, 2018 at 18:09

3 Answers 3

Reset to default
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While I can't provide an answer to my generic question, I seem to understand meanwhile that the problem may not be due to inconsistent held packages, but to inconsistent packages in the wine ppa.

The command 

sudo aptitude install wine-stable

provides a few more options for the resolution of the dependency problems. One of these consists in downgrading the package libblkid1 while installing wine-stable and related packages. This temporary solution currently works for me and allows to run an up-to-date wine.

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Sometimes the saved PPA won't show up in the GUI of Software & Updates.

You can open Nautilus as root in terminal

gksu nautilus

go to : etc/apt/ and edit sources.list and sources.list.saved

Installing 'Synaptic Package Manager' is a must for me:

sudo apt-get update sudo apt-get install synaptic

Here's a link to the Wine deb package https://pkgs.org/download/wine

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  • You can install a PPA with

    sudo add-apt-repository ppa:name/subname

    where you use the actual name/subname for example mkusb/ppa or mkusb/unstable.

  • I suggest that you remove/purge a program (that belongs to a PPA) before removing the PPA,

    sudo purge program-name

  • You can remove a PPA with

    sudo add-apt-repository -r ppa:name/subname

    See man add-apt-repository:

    -r, --remove Remove the specified repository

  • After each of these actions you should update the list of available programs and program versions with

    sudo apt update

    at least in older versions of Ubuntu. In newer versions, it might be called automatically from the add-apt-repository program.

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