From mboxrd@z Thu Jan  1 00:00:00 1970
From: "pelzflorian (Florian Pelz)" <pelzflorian@pelzflorian.de>
Subject: Re: KMScon vs. AMD Radeon
Date: Sun, 14 Apr 2019 11:48:59 +0200
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To: Mathieu Othacehe <m.othacehe@gmail.com>
Cc: Guix-devel <guix-devel@gnu.org>, Pierre Neidhardt <ambrevar@gmail.com>

On Thu, Apr 04, 2019 at 06:07:48PM +0200, pelzflorian (Florian Pelz) wrot=
e:
> On Thu, Apr 04, 2019 at 03:49:35PM +0200, Mathieu Othacehe wrote:
> >=20
> > I did test the patch on my hardware (kmscon with forced fbdev backend=
):
> >=20
> > * By default, kmscon is loaded, everything seems ok.
> > * Passing nomodeset to the kernel, kmscon hangs with a black screen, =
but
> > I'm able to switch to other mingetty terminals.
> >=20
> > Not sure what is going wrong, but I fear it won't be much better on y=
our
> > AMD GPUs :(
> >=20
> > Mathieu
> >=20
>=20
> I got exactly the same result on my grandma=E2=80=99s 10-years-old lapt=
op.  I
> just found out it is using an old AMD GPU too (AMD RS780M).
>=20

The installer starts when specifying modprobe.blacklist=3Dradeon on the
kernel commandline.