AMT Activation ACPI warnings

[Jung-uk Kim]

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On 2013-08-20 15:42:12 -0400, Robert Moore wrote:
> It appears to be a vendor thing. However, still in direct violation
> of the ACPI spec.

I believe you're correct.

FYI, Linux people have "Optimus" driver and you may find some info
from their work:

http://bumblebee-project.org/

Especially, this looks interesting regarding _DSM encoding:

https://github.com/Bumblebee-Project/bbswitch

Jung-uk Kim

>> -----Original Message----- From: Sean Bruno
>> [mailto:sean_bruno at yahoo.com] Sent: Tuesday, August 20, 2013
>> 12:33 PM To: Moore, Robert Cc: freebsd-acpi at freebsd.org Subject:
>> RE: AMT Activation ACPI warnings
>> 
>> On Tue, 2013-08-20 at 19:20 +0000, Moore, Robert wrote:
>>> We have seen at least one video vendor that uses a Buffer
>>> object instead of the ACPI-required package object as the 4th
>>> _DSM argument.
>>> 
>>> 
>> 
>> The T520 has a Nvidia thingy in it.  Is this something we need to
>> deal with in the BSD ACPI implementation or is this a vendor
>> thing?
>> 
>> Sean
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> 
> 



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