Restoring sc console look and feel with vt
Polytropon
freebsd at edvax.de
Fri Sep 15 18:03:23 UTC 2017
On Sat, 16 Sep 2017 02:37:15 +1000 (EST), Ian Smith wrote:
> In freebsd-questions Digest, Vol 693, Issue 5, Message: 1
> On Thu, 14 Sep 2017 07:41:19 -0600 (MDT)
> Warren Block <wblock at wonkity.com> wrote:
> > On Sat, 9 Sep 2017, Steve O'Hara-Smith wrote:
> >
> > > On Sat, 9 Sep 2017 07:49:32 -0600 (MDT)
> > > Warren Block <wblock at wonkity.com> wrote:
> > >
> > >> On Sat, 9 Sep 2017, Polytropon wrote:
> > >>
> > >>> My 10.3 loader doesn't seem to know that command. Do I need to
> > >>> upgrade to 11?
> > >>
> > >> I think that's correct. There are a bunch of technologies involved,
> > >> including kernel mode switching (video drivers) and possibly UEFI, and
> > >> the gop command might only have appeared recently. Somebody(TM) ought
> > >> to try to get a comprehensive overview of how it all ties together and
> > >> write an article.
> > >
> > > I'm not seeing a gop command on my 11.1 box.
> >
> > It's a loader command.
>
> And as far as I can tell, entirely undocumented - though looking at the
> commit messages for the file mentioned below might be helpful; I gave up
> before trying. As mentioned, I'd grep'd source of mans for loader.conf
> and pretty much everything else to do with booting and loader; not to
> say I didn't miss something obvious to someone who actually knows this.
>
> Sorry about breaking threading by (albeit carefully) replying to the
> digests, but to not waste the quite some time put into hunting this:
>
> https://lists.freebsd.org/pipermail/freebsd-questions/2017-September/278783.html
>
> That is, check /usr/src/sys/boot/efi/loader/arch/amd64/framebuffer.c
>
> So if this file appears in 11.1 - or 10.3? - then maybe somebody can
> figure out what parameters might be fed to gop(0) and to what effect;
> reading the whole code sort-of seems to offer some sort-of clues ..
So it's not a surprise that my particular testing installation
does not have a "gop" command in the loader. I'm using FreeBSD
10.3 (patched) i386 on a machine with BIOS (not UEFI).
--
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
More information about the freebsd-questions
mailing list