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Date:      Thu, 13 Nov 2003 13:00:09 -0500 (EST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Doug White <dwhite@gumbysoft.com>
Cc:        "Matthew D. Fuller" <fullermd@over-yonder.net>
Subject:   Re: APIC-UP related panic
Message-ID:  <XFMail.20031113130009.jhb@FreeBSD.org>
In-Reply-To: <20031113091227.H81728@carver.gumbysoft.com>

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On 13-Nov-2003 Doug White wrote:
> On Wed, 12 Nov 2003, Dag-Erling [iso-8859-1] Smørgrav wrote:
> 
>> "Matthew D. Fuller" <fullermd@over-yonder.net> writes:
>> > > However, if NO_MIXED_MODE works, that is actually the more desirable
>> > > way to run your system.
>> > How common is the need for this?  Does turning of mixed mode when it's
>> > not needed give any real advantages higher up?
>>
>> NO_MIXED_MODE disables a hack which allow FreeBSD to work with mother-
>> boards that lie about how APIC pins are wired.  In general, you always
>> want to use NO_MIXED_MODE *except* on hardware that has the bug that
>> makes the mixed-mode hack necessary.
> 
> Any way we can make this a tunable? :)

I need to make it a runtime check again actually at some point.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/



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