Re: textdumps are too slow

On Fri, Apr 7, 2023 at 6:20 AM Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:

> --------
> Alan Somers writes:
> > On Fri, Apr 7, 2023 at 2:22=E2=80=AFAM Poul-Henning Kamp <
> phk@phk.freebsd.dk> wrote:
>
> > > I would expect them to be limited by the serial console speed before
> > > the video system speed ?
> >
> > That was my first guess, too.  But my serial console is 115200 baud,
> > which is faster than the low performance server grade video card.
>
> Ok, that must truly be sucky hardware...
>

That's 10x slower than 1990s era VGA cards then... 115200 is 11k characters
a second,
and FreeBSD on 1990s era VGA cards was in excess of 1MB/s, faster if not a
pure ISA
card... Video hardware that's slower than *THAT* likely indicates a big big
problem in
our video stack.

Warner