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Date: Mon, 31 Oct 2005 15:19:21 +0100
From: Alexander Leidinger <Alexander@Leidinger.net>
To: Nate Lawson <nate@root.org>
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Cc: current@freebsd.org
Subject: Re: 1kHz noise from C3 sleep
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Nate Lawson <nate@root.org> wrote:

> Alexander Leidinger wrote:
>> Nate Lawson <nate@root.org> wrote:
>>
>>>>>> My laptop makes noises when being (more or less) idle (I think I enabled
>>>>>> C3...). Does this mean I should try to change HZ?
>>>>>
>>>>>
>>>>> Sure, you can do it from a tunable (kern.hz I think), you don't 
>>>>> have to recompile.
>>>>
>>>>
>>>>
>>>> No, a HZ of 100 doesn't work, the laptop still makes noises. And it
>>>> only has C2, no C3...
>>>
>>>
>>>
>>> Change to C1 (which is just HLT).  If it still makes noise, it's 
>>> not your C2 or C3 sleep.
>>
>>
>> It's the C2 sleep. Any ideas?
>
> Try C3, different values of kern.hz.  Or earplugs.

No C3, I already tried HZ=100 (after having HZ=1000), so I take the earplugs
(or only C1)... ;-)

Bye,
Alexander.

-- 
http://www.Leidinger.net  Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org     netchild @ FreeBSD.org  : PGP ID = 72077137
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