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From: Jung-uk Kim <jkim@FreeBSD.org>
To: Callum Gibson <callumgibson@optusnet.com.au>
Date: Mon, 25 Jul 2011 14:55:08 -0400
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Cc: freebsd-stable@FreeBSD.org, freebsd-amd64@FreeBSD.org
Subject: Re: powernow regression in 8-STABLE
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On Saturday 23 July 2011 04:21 am, Callum Gibson wrote:
> On 22Jul11 17:57, Jung-uk Kim wrote:
> }Please try the attached patch.  If it doesn't work, I need to see
> }"acpidump -dt" output.
>
> Sorry, no difference. Given jhb's response is there any point
> pursuing this further? Seems to be a "known issue" with legacy usb
> that perhaps can't be fixed.
>
> In any case, acpidump output here:
> http://members.optusnet.com.au/callumgibson/acpidump.out.gz

I agree that the legacy USB issue must be fixed but your BIOS is more 
broken than I originally thought.  powernow expects a static table 
(via acpi_perf) but _PSS is dynamically constructed at runtime.  I 
don't think we can support this case easily, sorry.

Jung-uk Kim