APIC-UP related panic

John Baldwin jhb at FreeBSD.org
Thu Nov 13 10:00:16 PST 2003

On 13-Nov-2003 Doug White wrote:
> On Wed, 12 Nov 2003, Dag-Erling [iso-8859-1] Smørgrav wrote:
>> "Matthew D. Fuller" <fullermd at 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 at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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