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

From: Shem Multinymous
Date: Mon Oct 09 2006 - 08:12:42 EST


Hi Elias,

On 10/9/06, Elias Oltmanns <oltmanns@xxxxxxxxxxx> 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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