linux-kernel - Re: [Hdaps-devel] Debugging strange system lockups possibly triggered by ATA commands

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Message-ID: <41840b750610090512j42588537u16994de23d22cf38@mail.gmail.com>
Date:	Mon, 9 Oct 2006 14:12:18 +0200
From:	"Shem Multinymous" <multinymous@...il.com>
To:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	hdaps-devel@...ts.sourceforge.net
Subject: Re: [Hdaps-devel] Debugging strange system lockups possibly triggered by ATA commands

Hi Elias,

On 10/9/06, Elias Oltmanns <oltmanns@...-bonn.de> wrote:

> A slightly stripped version of the patch is available too, which has
> been verified to trigger the described problem in exactly the same way
> as the original but lacks the IDLE IMMEDIATE feature (leaving the
> STANDBY IMMEDIATE option only) in order to make it (hopefully) more
> readable and easier to understand.

What happens if you strip away *all* the head parking code, leaving
only the queue freeze code? Conversely, what happens if you issue the
head park command but don't freeze the queue?

  Shem
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