ACPICA 20100121 regression

[Rui Paulo]

On 1 Feb 2010, at 19:33, Jung-uk Kim wrote:

> On Monday 01 February 2010 02:25 pm, Rui Paulo wrote:
>> On 1 Feb 2010, at 19:21, Jung-uk Kim wrote:
>>> On Saturday 30 January 2010 10:49 am, Rui Paulo wrote:
>>>> Hi,
>>>> Latest ACPICA can't find my ASUS010 HID. It worked fine with
>>>> FreeBSD 8, which has ACPICA 20090521.
>>>> 
>>>> The ASL is located at:
>>>> 	http://people.freebsd.org/~rpaulo/asus-1005ha.asl.gz
>>>> 
>>>> What I'm seeing is ACPI_ID_PROBE() returning always NULL for
>>>> "ASUS010" and "ATK0100" devids.
>>> 
>>> It seems the ASL disables ASUS010 when the OS is "Windows 2009"
>>> (aka Windows 7).  FYI, current ACPI-CA just returns okay for any
>>> Microsoft OSes when _OSI method is used in ASL.  Thus, it thinks
>>> you are running Windows 7.  You can comment out or remove line
>>> 3626-3629 and override DSDT to re-enable the device, I think.
>> 
>> You're right, but I'm left wondering why it worked with a previous
>> ACPICA.
> 
> Because "Windows 2009" was added in 20090903. :-)

I understand now. Still, I think this is ACPICA's fault, but I understand that other laptops may rely on this behavior from ACPICA, so the fix may cause even more problems..

--
Rui Paulo