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Date: Tue, 16 Nov 2004 10:48:25 -0800
From: Nate Lawson <nate@root.org>
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To: Adam K Kirchhoff <adamk@voicenet.com>
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cc: freebsd-acpi@freebsd.org
Subject: Re: Laptop troubles...
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Adam K Kirchhoff wrote:
> Nate Lawson wrote:
> 
>> Adam K Kirchhoff wrote:
>>
>>> Nate Lawson wrote:
>>>
>>>> Right, thanks for the reminder.  I actually have quirk code to do 
>>>> this but it wasn't enabled since I wanted to find an actual test 
>>>> case before turning it on.  Adam, please recompile with the attached 
>>>> patch.  Also, send me pciconf -l.  The patch will disable C3 and you 
>>>> should only get C1/C2 if your system is truly a PIIX4.
>>>>
>>>> Thanks,
>>>> Nate
>>>
>>>
>>> With that patch, I still have the option of setting C3.  And, if I 
>>> do, I get the lockups.  I'm attaching the output of pciconf -l.
>>
>>
>>
>> Take 2.  This patch defers quirks till later.
>>
> That works!  I am unable to set the option to C3 now.

Ok, committed thanks.  You should be able to remove the settings in 
/etc/rc.conf and your system will use C2 as the lowest power state.

-Nate