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From: Brian Buchanan <bwb@holo.org>
To: Nate Lawson <nate@root.org>
cc: acpi-jp@jp.FreeBSD.org
In-Reply-To: <20040318104451.D8924@root.org>
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Date: Fri, 19 Mar 2004 22:07:53 -0800
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Subject: [acpi-jp 3121] Re: ACPI-CA 20040311 imported
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Nate,

After this update, the Fn+F8 screen expansion toggle on my ThinkPad T40p
ceased working again.  As you had previously suggested, I have my ASL
manually tweaked to set \WNTF to 0x02 (pretending to be Windows XP).

I've tried virtually every combination of using my own AML versus the
BIOS's and enabling/disabling the two new tunables, to no avail.

In theory, I should be able to use the stock AML from the BIOS with
osi_method enabled, and have the WinXP code pathway be executed, and
certainly my custom AML should be using that path, so I think some other
change from the import may have broken this function.  (And apparently
only this function.  All of the other Fn combinations that were working
are still working.)

Can you think of anything else I should try?  I'd be happy to provide
debugging information if you let me know what settings to use.

Thanks,

- Brian

On Thu, 18 Mar 2004, Nate Lawson wrote:

> See src/sys/contrib/dev/acpica/CHANGES.txt for specific changes.
>
> The main change is that we now support _OSI to announce we're compatible
> with all the NT-derived MS systems.  Also, we now serialize all method
> execution as some ASL depends on this behavior.  The MS interpreter
> doesn't support parallel execution, hence this matches their behavior.

