Date: Wed, 13 Dec 2000 04:40:52 -0800 From: Mike Smith <msmith@freebsd.org> To: "Ronald F. Guilmette" <rfg@monkeys.com> Cc: freebsd-questions@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: Help! "Fatal trap 1: privledged instruction trap" while installing Message-ID: <200012131240.eBDCeq308534@mass.osd.bsdi.com> In-Reply-To: Your message of "Wed, 13 Dec 2000 04:11:22 PST." <38164.976709482@monkeys.com>
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> >> So does that help any? What's going on here?
> >
> >What's going on is that we've called the BIOS in v86 mode, and it's done
> >something stupid. It's probably not expecting to be called like this at
> >all.
>
> So who is really at fault here? The card, or FreeBSD?
That's hard to say. We expect the card's BIOS to work, and the
exceedingly vast majority of them do.
> Is there some standard that says that VIDEO BIOSes aren't supposed to
> execute instructions that would be considered illegal in v86 mode?
You're supposed to be able to call the BIOS in v86 mode, yes. A lot of
DOS extenders (used for DOS-based games) do this.
> And anyway, how the heck did we get down into the Video Card BIOS before
> we have even finished doing keyboard initialization? Or have we finished
> that? (I can't quite tell.)
We've finished with the keyboard and have started on the VGA driver.
--
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also. But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view. [Dr. Fritz Todt]
V I C T O R Y N O T V E N G E A N C E
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