From: Jeremy Moles <jeremy-9vekgGPT+OA7YuNMryXyOw@public.gmane.org>
To: acpi-devel-TtF/mJH4Jtrk1uMJSBkQmQ@public.gmane.org
Subject: Re: strange buzzing sound after the 2.6.10 patch
Date: Thu, 24 Feb 2005 16:21:47 -0500 [thread overview]
Message-ID: <1109280107.12887.30.camel@localhost> (raw)
In-Reply-To: <f11de95f050223183134a74bda-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
Try this:
edit /usr/src/linux/include/asm/param.h and change HZ to 100 (instead of
1000). Other folks here can perhaps comment on the side-effects, though
I've noticed few I couldn't handle. Perhaps a divide by 0 warning with
some programs that "guess" at the HZ, but other than that...
You'll find it only happens when the processor ACPI module is loaded. Go
figure.
On Wed, 2005-02-23 at 21:31 -0500, Jing Su wrote:
> Hello,
>
> I vaguely remember someone else mentioning this problem on the list
> before, but I don't recall if there were any answers to the solution.
>
> I'm running a vanilla 2.6.10 kernel patched with the acpi-2005-01-25 patch.
>
> When running the patched kernel, I noticed that my laptop makes a very
> strange and faint buzzing sound. I've determined that the buzzing
> sound is somewhat related to CPU and HD load. When the CPU load is
> heavy, or when the HD is busy, the buzzing stops. But when the system
> idles, the buzzing continues. I've also tried forcing the HD to go
> into suspension using hdparm, but the buzzing continues.
>
> Any hints or clues?
> If this problem hasn't been encountered before, I'd appreciate it if
> someone could give hints for how I can best go about isolating the
> problem.
>
> -Jing
>
>
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next prev parent reply other threads:[~2005-02-24 21:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-24 2:31 strange buzzing sound after the 2.6.10 patch Jing Su
[not found] ` <f11de95f050223183134a74bda-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-24 21:21 ` Jeremy Moles [this message]
2005-02-25 10:47 ` Thomas Renninger
-- strict thread matches above, loose matches on Subject: below --
2005-02-25 11:03 Jos Delbar
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