Comment 13 for bug 7304

> Actually, looks like it's already in 2.6.8-rc4. Once my colo box is
> fixed, I can give you a link to kernel packages..

Hello
I don't think it is included in upstream 2.6.8-rc4, neither in 2.6.8.
but the ACPI staff has released a new revision that resolves this issue among
others:
http://marc.theaimsgroup.com/?l=linux-kernel&m=109246673924042&w=2

> <email address hidden> (04/08/14 1.1731.1.29)
> [ACPI] Enter ACPI mode earlier
> Fixes two common boot failures due to buggy SMM BIOS code
>
> SMP boot crash if SMI_CMD=ACPI written from CPU1
> http://bugzilla.kernel.org/show_bug.cgi?id=2941

hopefully this patch is also available against 2.6.7, I'm currently running it
and it works well.
ftp://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/patches/release/2.6.7/
(20040326 has to be applied before 20040715)