linux-kernel - Re: [PATCH 2/2] sata_nv: fix ATAPI issues with memory over 4GB (v3)

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Message-id: <473BC5DF.1040302@shaw.ca>
Date:	Wed, 14 Nov 2007 22:06:55 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Tejun Heo <htejun@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	ide <linux-ide@...r.kernel.org>, Jeff Garzik <jeff@...zik.org>
Subject: Re: [PATCH 2/2] sata_nv: fix ATAPI issues with memory over 4GB (v3)

Tejun Heo wrote:
> Robert Hancock wrote:
>> This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode
>> on systems with memory located above 4GB. We need to delay setting the 64-bit
>> DMA mask until the PRD table and padding buffer are allocated so that they don't
>> get allocated above 4GB and break legacy mode (which is needed for ATAPI
>> devices).
>>
>> Signed-off-by: Robert Hancock <hancockr@...w.ca>
> 
> applied to #tj-upstream-fixes.
> 

I have a report that these patches crashed but the previous patch worked:

https://bugzilla.redhat.com/show_bug.cgi?id=351451

So there may still be a problem here.
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