netdev - Re: atl1 64-bit => 32-bit DMA borkage (reproducible, bisected)

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Message-ID: <48249E55.1020300@redhat.com>
Date:	Fri, 09 May 2008 14:56:21 -0400
From:	Chris Snook <csnook@...hat.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
CC:	Jay Cliburn <jacliburn@...lsouth.net>,
	Luca Tettamanti <kronos.it@...il.com>,
	Jeff Garzik <jeff@...zik.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Christoph Lameter <clameter@....com>, torvalds@...l.org
Subject: Re: atl1 64-bit => 32-bit DMA borkage (reproducible, bisected)

Alexey Dobriyan wrote:
> Hmmm, there was a wonderful oops on interface stop here when the other end
> of atl1 cable was physically unplugged (but there was traffic before):
> 
> 	atl1_down
> 	atl1_clean_rx_ring
> 	swiotlb_unmap_single
> 	swiotlb_unmap_single_attrs
> 	memcpy_c
> 

Intel chip, or AMD?

-- Chris
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