public inbox for linux-acpi@vger.kernel.org
 help / color / mirror / Atom feed
From: Pavel Machek <pavel-AlSwsSmVLrQ@public.gmane.org>
To: Sander Wichers <wichers-Jdbf3xiKgS8@public.gmane.org>
Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: High pitch noise produced when ACPI processor module loaded
Date: Sun, 5 Oct 2003 12:24:52 +0200	[thread overview]
Message-ID: <20031005102452.GA321@elf.ucw.cz> (raw)
In-Reply-To: <000401c38b23$fddef730$2401a8c0-laDPoAWcecs@public.gmane.org>

Hi!

> > > > My inspiron 8600 (intel centrino/855PM) is producing a strange high
> pitch
> > > > sound which comes from within the machine (definitly not the speakers)
> when
> > > > the acpi processor module get's loaded. When I unload the processor
> module
> > > > the high pitch sound goes away.
> 
> > Try running while1 program, see if it helps.
> Yes!, when there is intensive processor activity the sound goes away.

This unfortunately seems fairly normal; at least all four notebooks I
had for testing produced some kind of cpu-related noise.

> > If so you might want to disable CX sleep states.
> What's the name of the directive? Or do I have to manually remove some
> portions of the code?

Manually remove... [And I'm not sure which portion, either ;-). Look
into acpi's idle loop.]
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf

  parent reply	other threads:[~2003-10-05 10:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-26  7:59 High pitch noise produced when ACPI processor module loaded Sander Wichers
     [not found] ` <001001c38404$27b959a0$2001a8c0-x1nb5Wr35Zb2xqEl7TXlHQ@public.gmane.org>
2003-09-26 17:06   ` Nate Lawson
     [not found]     ` <20030926100512.X64952-Y6VGUYTwhu0@public.gmane.org>
2003-10-02 11:12       ` Pavel Machek
2003-10-05  9:35         ` Sander Wichers
     [not found]           ` <000401c38b23$fddef730$2401a8c0-laDPoAWcecs@public.gmane.org>
2003-10-05 10:24             ` Pavel Machek [this message]
     [not found]               ` <20031005102452.GA321-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2003-10-06 16:41                 ` Nate Lawson
     [not found]                   ` <20031006093904.K3158-Y6VGUYTwhu0@public.gmane.org>
2003-10-06 17:12                     ` Pavel Machek
  -- strict thread matches above, loose matches on Subject: below --
2003-10-06 17:53 Grover, Andrew
     [not found] ` <F760B14C9561B941B89469F59BA3A84702C9300A-sBd4vmA9Se4Lll3ZsUKC9FDQ4js95KgL@public.gmane.org>
2003-10-06 17:59   ` Pavel Machek

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20031005102452.GA321@elf.ucw.cz \
    --to=pavel-alswssmvlrq@public.gmane.org \
    --cc=acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    --cc=wichers-Jdbf3xiKgS8@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox