Re: CPUTYPE?=athlon-xp breaks loader (was Re: instant reboot when trying to load recent RELENG_5 kernel)

From: Doug White <dwhite_at_gumbysoft.com>
Date: Mon, 1 Nov 2004 19:02:32 -0800 (PST)
On Mon, 1 Nov 2004, John Baldwin wrote:

> Your BIOS writer needs to be beaten with a blunt instrument.  They are trying
> to enter protected mode themselves and not handling the fact that they can be
> called from vm86 mode.  There's not much FreeBSD can do about narrow-minded,
> kludgey BIOS code.

ISTR that some BIOSen try to play this game because they are trying to see
if UDMA works.  Try demoting the disk to PIO in the BIOS; FreBSD ignores
this setting when configuring disks, so its safe to leave that way.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite_at_gumbysoft.com          |  www.FreeBSD.org
Received on Tue Nov 02 2004 - 02:02:32 UTC

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