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From: Tejun Heo <htejun@gmail.com>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	ide <linux-ide@vger.kernel.org>, Jeff Garzik <jeff@garzik.org>
Subject: Re: [PATCH 2/2] sata_nv: fix ATAPI issues with memory over 4GB (v3)
Date: Tue, 20 Nov 2007 14:49:36 +0900	[thread overview]
Message-ID: <47427570.5030103@gmail.com> (raw)
In-Reply-To: <47426FDC.4030800@shaw.ca>

Robert Hancock wrote:
> It looks like the problem is that even though we set the DMA mask after
> we allocate the PRD and pad buffers, when the other port is set up, the
> DMA mask is already over 64-bit and so it allocates its buffers over 4GB
> and fails. I think we just need to explicitly set to 32-bit first,
> getting the reporter to try that one now.

Ah.. right.  That makes sense.  Thanks.

-- 
tejun

      reply	other threads:[~2007-11-20  5:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-14  4:15 Robert Hancock
2007-11-14 12:05 ` Alan Cox
2007-11-15  1:38 ` Tejun Heo
2007-11-15  4:06   ` Robert Hancock
2007-11-15  4:11     ` Tejun Heo
2007-11-20  0:57     ` Tejun Heo
2007-11-20  5:25       ` Robert Hancock
2007-11-20  5:49         ` Tejun Heo [this message]

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