From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jgarzik@pobox.com>
Subject: Re: [PATCH 3/3] libata-dev: pdc2027x ATAPI DMA lost irq problem workaround
Date: Fri, 12 Aug 2005 03:41:28 -0400
Message-ID: <42FC52A8.8070102@pobox.com>
References: <42FC4B36.9080805@tw.ibm.com> <42FC4E7B.9030503@tw.ibm.com>
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To: Albert Lee <albertcc@tw.ibm.com>
Cc: IDE Linux <linux-ide@vger.kernel.org>, Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>, Doug Maxey <dwm@maxeymade.com>

Albert Lee wrote:
>   Root cause for the irq lost is unknown yet. I've tried your ATAPI DMA 
> alignment
> patch, but the problem still occurs, even the buffer is aligned. I guess 
> it is pdc2027x hardware problem.


Note that my ATAPI DMA alignment patch was buggy, as Tejun noted...

Tejun's updated patch is worth a try.

	Jeff