Chris Adams <cmadams@hiwaay.net> writes:
quoted text
>
> My BIOS doesn't have an IOMMU option (latest BIOS available for the
> mboard).  However, it appears that an aperture is allocated but the
> kernel then ignores it due to where it is placed.  Why?

32MB is normally not a useful aperture. Likely it's some garbage 
value the BIOS is leaving in the registers.

quoted text
> Is there anything I can or should do about this (what impact does this
> really have)?

It will eat your babies. No really except for some lost RAM nothing.

-Andi

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