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Date: Tue, 17 Apr 2007 09:37:51 +0200
From: "Fabio Comolli" <fabio.comolli@gmail.com>
To: "Chuck Ebbert" <cebbert@redhat.com>
Subject: Re: Loud "pop" coming from hard drive on reboot
Cc: "Jan Engelhardt" <jengelh@linux01.gwdg.de>,
       "Henrique de Moraes Holschuh" <hmh@hmh.eng.br>,
       "Pavel Machek" <pavel@ucw.cz>,
       "Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>,
       linux-kernel <linux-kernel@vger.kernel.org>, linux-ide@vger.kernel.org
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Hi.

On 4/17/07, Chuck Ebbert <cebbert@redhat.com> wrote:
<snip>

> (2) Linux (alone) gives a very muted pop on shutdown. This could
>     be from bad interaction with the shutdown command, or some
>     other reason (drive not given enough time to shut down?)
>     The noise is not very loud, maybe the head did not have to
>     move very far?
>

I'm facing this with my HP Pavilion DV4378EA with a PATA disk (Toshiba
I think, but I'm not too sure, will check in the afternoon if needed).
"The Other OS" does not  cause the "pop" at shutdown. Linux does (last
checked: yesterday with 2.6.21-rc7).

I'm happy to test patches.
Regards,
Fabio