Fedora 23 and VirtualBox: VBox Guest Additions not working properly

[SternData]

On 11/05/2015 09:11 AM, Klaus-Peter Schrage wrote:
> I have just upgraded to 23 from 22 in a virtual machine using dnf as
> decribed in the Fedora Wiki, which went rather smoothly for me.
>
> After manually installing the Guest Additions, the features "seemless
> windows" and "automatic resize of the guest desktop" don't work (the
> respective options in the views menu are greyed out).
>
> The VBox kernel modules are built ok, but I get a warning saying:
> "unsupported pre-release version of X.Org server installed. Not
> installing the X.Org drivers."
>
> The X log says that there is X.Org X Server 1.17.99.902 installed, which
> *is* a pre-release. I guess downgrading might cure the problem, but how?
>
> Any advice from the wise persons on this list would be greatly appreciated.
>
>
Are you using VirtualBox from the virtualbox repos or from rpmfusion? 
I'm using the VirtualBox repo version (Oracle version) and it's working 
for me.

-- 
-- Steve