From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bengt Richter <bokr@bokr.com>
Subject: Re: kmscon not working on MacBook
Date: Thu, 26 Mar 2020 03:26:05 +0100
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To: "pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de>
Cc: guix-devel@gnu.org, jbranso@dismail.de

Hi,

On +2020-03-26 00:00:18 +0100, pelzflorian (Florian Pelz) wrote:
> On Fri, Mar 20, 2020 at 09:48:50AM +0100, pelzflorian (Florian Pelz) wr=
ote:
> > I would
> > like something similar to be included in the next release.  Maybe
> > kmscon works everywhere then.
>=20
> Of course the machines that need uvesafb to show the installer also
> later have problems showing Xorg.  Maybe until Xorg on installed
> systems without Kernel Mode Setting works fine without manually
> fiddling with uvesafb or nonfree drivers, there is no use making the
> installer work.
>=20
> Perhaps uvesafb could somehow be made to work automatically, however
> on one of my computers uvesafb can only be used after =E2=80=9Echmmod o=
+rw
> /dev/fb0=E2=80=9C which is a security issue, I suppose.
>

Are you a member of the video group?
What do you see typing
    stat /dev/fb0
? Maybe something to try?
Or not relevant to your context?

>=20
> > ('nomodeset' is not needed; I leave it
> > in only for testing on computers where the graphical installer works
> > anyway when not passing 'nomodeset'.)
>=20
> In fact nomodeset was needed on a friend=E2=80=99s AMD GPU system.  Pro=
bably
> one could blacklist yet another AMD graphics module instead of passing
> nomodeset.  But then the installer on AMD systems where the module is
> working fine would be limited to uvesafb.
>=20
> Regards,
> Florian
>=20

--=20
Regards,
Bengt Richter