I just installed Ubuntu Xenial on a partition, after a long time running Ubuntu Trusty. I started a script (of mine) to check what's new and what's out in the installed packages, when this script stopped with an error complaining xorg depends on xserver-xorg which was not found and neither provided by another package.

I checked indeed, this dependency is stated and it is not fulfilled. The same package exists in Ubuntu Trusty, with that same dependency (among others), and this dependency is fulfilled.


Are there any case where it’s OK for a package to be there with one of more dependencies missing? Or is this a bug? (was after the fresh installation with updates executed during install). Or is this me who need to learn something about packages dependencies?

  • What version of ubuntu and what repositories do you have enabled ? Yes this can happen if you do not have the proper repositories enabled. – Panther Sep 18 '17 at 2:03
  • @bodhi.zazen, this is Ubuntu 16.04, and the installation ISO image was 16.04.3. The repositories are servers in France (according to Synaptic). I noticed installing the missing dependency would requires to remove some actually installed packages (all related to X). As an hypothesis, I was wondering if this package is a special case. – Hibou57 Sep 18 '17 at 2:58
  • No dependencies and conflicts come and go. You would need to post the details. Usually you will get an error package not found. Tons of examples. See askubuntu.com/questions/689935/unable-to-locate-package-mingw32/… and askubuntu.com/questions/350822/… – Panther Sep 18 '17 at 13:41

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