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From: Pierre Ossman <drzeus-list@drzeus.cx>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] cpuidle: avoid singing capacitors
Date: Wed, 5 Mar 2008 19:01:25 +0100	[thread overview]
Message-ID: <20080305190125.7417d4ff@mjolnir.drzeus.cx> (raw)
In-Reply-To: <47CED91F.4020106@goop.org>

On Wed, 05 Mar 2008 09:32:15 -0800
Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> 
> More likely inductors, I think.  The coils can vibrate against the coil 
> if they haven't been properly potted in something.  Capacitors don't 
> really have anything which can "sing".
> 

I have no idea. Previous reports of this behaviour have always been described as "singing" capacitors and explained by some piezoelectric effect.

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org

  reply	other threads:[~2008-03-05 18:03 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <a2itf-5jB-27@gated-at.bofh.it>
2008-02-29 21:09 ` Alan Jenkins
2008-03-01 12:29   ` Pierre Ossman
2008-03-05 17:32     ` Jeremy Fitzhardinge
2008-03-05 18:01       ` Pierre Ossman [this message]
2008-02-29 18:38 Pierre Ossman
2008-02-29 21:44 ` Lennart Sorensen
2008-03-01 12:31   ` Pierre Ossman
2008-03-01 13:40 ` Pierre Ossman
2008-03-02  2:27 ` Lee Revell
2008-03-02 14:17   ` Pierre Ossman
2008-03-03 12:36 ` Andi Kleen

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