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SubjectRe: Bug#584846: Detects only 64MB and fails to boot on Intel Green City board if e820 hooked by GRUB2
On 06/12/2010 03:26 PM, Josh Triplett wrote:
>
> Everything looks identical except for the region GRUB hooked right below
> the first reserved region; the unhooked version has available memory
> from 0-0x9cbf0, and the hooked version has available memory from
> 0-0x9cba0, then reserved from 0x9cba0-0x9cbec, then 4 bytes of available
> memory, and then the same reserved region as before.
>

Actually... are both these done by chainloading Grub (with and without
mapping), or is the unhooked done without chainloading Grub at all?

To me it looks like something is chaining INT 15h even in the
"unchained" case...

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.



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