Re: radeon framebuffer console all dark

[David Brownlee <abs%absd.org@localhost>]

On Mon, 25 May 2020 at 23:25, Riccardo Mottola
<riccardo.mottola%libero.it@localhost> wrote:
>
> Hi,
>
> my HP laptop with Turion CPU ad Radeon video is resisting efforts of
> getting BSD-ized! Unacceptable!
> First issue is that the auixp driver hangs the kernel boot - working
> on that with Christos and Martin, but no progress.
> Disabled that driver, next issue: once the framebuffer of radeon kicks
> in I get an all dark screen
> Only a bright square cursor shows, moving as the kernel messages
> scroll up to the login.
>
> Better checking (but I can't show it in a screenshot) I notice it is
> more like super-dark-grey on black: the text is unreadable, but it is
> there.
> Blindly typing login and starting X11 gets a working and correctly
> display X, so it is the console.
>
> Any suggestions? It is not a regression bug from 9.0: it is already
> bugged. I am just testing current kernel and noticed the issue
> continues.

Are there any BIOS options to adjusting the amount of memory available
to the display hardware? If so it may be worth trying it on the
max/min settings to see if it affects anything

David