On Wed, Mar 16, 2016 at 2:41 AM, Peter Øgaard Meyland <peter@meyland.dk> wrote:

Okay, I will give it at try this evening

dnf may still try to uninstall all the mythtv packages because it tracks whether packages were user installed or installed as a dependency. From what I've read you can use "dnf mark install" to mark the packages as user installed to stop this behavior.