Re: serial console install issues BIOS related
On Tue, Apr 13, 2021 at 12:42:41PM +1200, Richard Hector wrote:
> On 13/04/21 12:31 pm, Ben Hutchings wrote:
> > On Mon, 2021-04-12 at 13:48 +1200, Richard Hector wrote:
> > >
> > > ....
> > >
> > > But all that's irrelevant if I can't get to the linux commandline,
> > > because Syslinux is misbehaving.
> > >
> > > Does anyone know if it's inherent in Syslinux that it won't work
> > > correctly with a 24-line serial terminal?
> > [...]
> >
> > I think that syslinux is working through a BIOS-emulated display and
> > keyboard controller, and is not aware that a serial terminal is beign
> > used. The code for SeaBIOS's serial console support is here:
> > <https://github.com/pcengines/seabios/blob/apu_support/src/sercon.c>.
> > It presents an 80x25 (or 40x25) text display as there is no VGA BIOS
> > mode number for 80x24.
>
> Ah - so while syslinux can talk to a serial console, it's not using that in
> this case? Interesting, thanks. That could explain why I haven't seen this
> on previous serial console installations (an old Soekris box).
>
> That might make it more difficult to solve in software, leaving more
> documentation as the only answer.
Please express proposals.
Regards
Geert Stappers
Voluntering for transforming update proposals into git commits.
--
Silence is hard to parse
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