netdev - Re: [PATCH] atl1: disable 64bit DMA

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Message-ID: <468038FC.6090302@esuna.co.uk>
Date:	Mon, 25 Jun 2007 22:51:56 +0100
From:	"Jay L. T. Cornwall" <jay@...na.co.uk>
To:	Chris Snook <csnook@...hat.com>
CC:	Luca Tettamanti <kronos.it@...il.com>,
	Jeff Garzik <jgarzik@...ox.com>,
	Jay Cliburn <jacliburn@...lsouth.net>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] atl1: disable 64bit DMA

Chris Snook wrote:

> What boards have we seen this on?  It's quite possible this is:

I can reproduce on an Asus P5K with a Core 2 Duo E6600.

lspci identifies the controller as:
  02:00.0 Ethernet controller: Attansic Technology Corp. L1 Gigabit
  Ethernet Adapter (rev b0)

dmesg notes the PCI-DMA mapping implementation:
  PCI-DMA: Using software bounce buffering for IO (SWIOTLB)

-- 
Jay L. T. Cornwall, http://www.esuna.co.uk/~jay/
PhD Student
Imperial College London
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