> At least, I thought it was in Greg's tree, not sure now.. This is the
> patch in -mm:
>
>
http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc6/2.6.24-rc6-m...
>
> Without this change a bunch of machines fail to boot even without the
> MCFG change (since their MCFG was E820 reserved and so the old
> validation check passed).