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Date: Fri, 12 Nov 2004 19:10:38 +0100
To: Nate Lawson <nate@root.org>
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From: Bruno Ducrot <ducrot@poupinou.org>
cc: freebsd-acpi@freebsd.org
cc: Adam K Kirchhoff <adamk@voicenet.com>
Subject: Re: Laptop troubles...
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On Tue, Nov 09, 2004 at 03:07:56PM -0800, Nate Lawson wrote:
> That's fine, try cx_lowest=C2.  If that works, a workaround is to set 
> cx_performance_state=C2 and cx_economy_state=C2 in /etc/rc.conf (or 
> something like that, see /etc/defaults/rc.conf for the right variable 
> names).  Please send me the output of acpidump -t -d > adam.asl 
> separately as an attachment.  I think I will have enough with that to 
> debug why C3 is hanging your system.  I'm pretty sure the problem area 
> of the commit is in enabling C3 for systems that don't have bus master 
> control.
> 

C3 support with a PIIX4 southbridge is buggy as hell and
should be disabled no matter what.

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.