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From: Albert Lee <albertcc@tw.ibm.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: IDE Linux <linux-ide@vger.kernel.org>,
	Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
	Doug Maxey <dwm@maxeymade.com>
Subject: Re: [PATCH 3/3] libata-dev: pdc2027x ATAPI DMA lost irq problem workaround
Date: Fri, 12 Aug 2005 16:20:05 +0800	[thread overview]
Message-ID: <42FC5BB5.9080504@tw.ibm.com> (raw)
In-Reply-To: <42FC52A8.8070102@pobox.com>



Jeff Garzik wrote:

> 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.
> 

Thanks for the advice. Will try.

Albert



  reply	other threads:[~2005-08-12  8:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-12  7:09 [PATCH 0/3] libata-dev: pdc2027x fixes Albert Lee
2005-08-12  7:19 ` [PATCH 1/3] libata-dev: Convert pdc2027x from PIO to MMIO Albert Lee
2005-08-12  7:21 ` [PATCH 2/3] libata-dev: pdc2027x use "long" for counter data type Albert Lee
2005-08-12  7:23 ` [PATCH 3/3] libata-dev: pdc2027x ATAPI DMA lost irq problem workaround Albert Lee
2005-08-12  7:41   ` Jeff Garzik
2005-08-12  8:20     ` Albert Lee [this message]
2005-08-12  7:37 ` [PATCH 0/3] libata-dev: pdc2027x fixes Jeff Garzik
2005-08-12  8:10   ` Albert Lee

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