Last major update: Gimp 2.10 needs version "0.1.58-1~mx17+1" of libbabl-0.1-0

[Khaled]

This is a minor issue.
Last update included updating gimp from 2.8 to 2.10 (which was long awaited).
However it won't run, its output was as follow:

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gimp: symbol lookup error: /usr/lib/x86_64-linux-gnu/libgegl-0.4.so.0: undefined symbol: babl_format_with_space

So I figured out the problem was with the package "libbabl-0.1-0". I found in Synaptic that there is a mx- modified version of it, then I forced installing it (Package -> Force Version -> select "0.1.58-1~mx17+1 (mx)").
Synaptic will call it downgrade, although the installed version is lower "1:0.1.28-dmo1", anyway installed it and now everything is fine.
My guess is that although mx packages team took care of this, their modified packaged was estimated to be lower version just because the debian-stable default package's version begins with "1:" before the version "0.1.28".

[fehlix]

Gimp 2.10 installes and run's just fine here. Don't see version "1:0.1.28-dmo1" of libbabl-0.1 in stable, so you must have got somwhere else, hence the conflict:

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 apt policy libbabl-0.1
libbabl-0.1-0:
  Installed: 0.1.58-1~mx17+1
  Candidate: 0.1.58-1~mx17+1
  Version table:
 *** 0.1.58-1~mx17+1 500
        500 http://mxrepo.com/mx/repo stretch/main amd64 Packages
        100 /var/lib/dpkg/status
     0.1.18-1 500
        500 http://ftp.us.debian.org/debian stretch/main amd64 Packages

[timkb4cq]

You have installed the Debian-Multimedia version of libbabl which uses an epoch to show it's version as being higher than ours.
Disable the deb-multimedia.org repo, and
Gui solution: Open Synaptic, select libbabl-0.1-0, use Package -> Force version to select the MX version and apply.
or
CLI solution: sudo apt-get install -t mx libbabl-0.1-0

[Stevo]

Yes, if you look at the GIMP thread, it's a known issue with a known solution. I was expecting to see a few more of these with the upgrade for everyone.

Packages with "dmo" in the version are from deb-multimedia, except for Stretch's mkvtoolnix, where the packager goofed by forgetting to remove it.

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     9.8.0-dmo1 500
        500 http://ftp.us.debian.org/debian stretch/main amd64 Packages

[Khaled]

You have installed the Debian-Multimedia version of libbabl which uses an epoch to show it's version as being higher than ours.

Packages with "dmo" in the version are from deb-multimedia

Yes it seems that's exactly the case. Thanks for the info. :)

Disable the deb-multimedia.org repo

I think I had that repo installed in first place just for a hell of dependency of gstreamer pluggins by kivy, which I use for work, so I am afraid I may not have the luxury to try to ditch that repo right now.

Gui solution: Open Synaptic, select libbabl-0.1-0, use Package -> Force version to select the MX version and apply.

Yes that's what I had done, and it works perfectly thereafter as I said.
Though, apt would always tell me that I have a package that needs to be updated!
Is there some sort of way to blacklist libbabl-0.1-0 1:0.1.28-dmo1, or just libbabl-0.1-0 from being checked for update ?

[Richard]

Is there some sort of way to blacklist libbabl-0.1-0 1:0.1.28-dmo1, or just libbabl-0.1-0 from being checked for update ?

You can do it from Synaptic.
Or with aptitude.

[Richard]

aptitude = Hold
synaptic = Lock

[Stevo]

Once you've installed whatever you need from deb-multimedia, you don't need to keep it enabled. In fact, that's the worst thing you can do.

I wonder if having deb-multimedia enabled beforehand messed up your gstreamer dependencies, since the Stretch Kivy 1.9.1 will install without deb-multimedia.

[Khaled]

aptitude = Hold
synaptic = Lock

Thanks, that's exactly what I was looking for.

Once you've installed whatever you need from deb-multimedia, you don't need to keep it enabled. In fact, that's the worst thing you can do.

I will do that after your advice. Should I lock its already installed packages first to not losing them ?

I wonder if having deb-multimedia enabled beforehand messed up your gstreamer dependencies, since the Stretch Kivy 1.9.1 will install without deb-multimedia.

It is not a debian package dependency, but an optional requirement for kivy to be able to play videos.

[Khaled]

I would also like to ask, is there something really bad about deb-multimedia in particular, or you just mean I shouldn't add any additional Debian repository ?
I have just few, like sublimetext repo, which I don't really need to keep it there, but I am curious to know. I used to alternate between debian-based and ubuntu-based distros for the last 12 years, sometimes in the old days I even used to install a lot of ppa, though I don't remember I ever managed to break my system that way. May be it's just my poor memory.