NO_MIXED_MODE

[Scott Long]

Conrad J. Sabatier wrote:
> On Sun, 19 Sep 2004 04:17:55 +0200, des at des.no (Dag-Erling Smørgrav)
> wrote:
> 
> 
>>I just got an ASUS SK8N motherboard that has the problematic nForce 3
>>chipset.  It runs 5.3 BETA4 fine, except you have to boot it in safe
>>mode because the APIC only works properly in mixed mode, and GENERIC
>>has the NO_MIXED_MODE option.  Took me quite a while to figure that
>>out...
>>
>>Should we consider removing that option for 5.3-RELEASE?
> 
> 
> I'll second that motion.  I have the same chipset, and the same problem
> with NO_MIXED_MODE.  I think we should err on the side of caution with
> this one.
> 

Let's see what Peter, David, and John say about this.  My understanding
is that mixed mode has a measurable performance impact, so we don't want
to turn it on universally unless neccessary.  Maybe David knows of a
BIOS upgrade that would help your motherboards.

Scott