netdev - RE: Bug#565404: linux-image-2.6.26-2-amd64: atl1e: TSO is broken

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Message-ID: <157393863283F442885425D2C45428564F202453@nasanexd02f.na.qualcomm.com>
Date:	Sun, 31 Mar 2013 00:43:29 +0000
From:	"Huang, Xiong" <xiong@....qualcomm.com>
To:	Ben Hutchings <ben@...adent.org.uk>,
	Anders Boström <anders@...insight.net>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"565404@...s.debian.org" <565404@...s.debian.org>,
	"Hannes Frederic Sowa (hannes@...essinduktion.org)" 
	<hannes@...essinduktion.org>
Subject: RE: Bug#565404: linux-image-2.6.26-2-amd64: atl1e: TSO is broken

> >
> > I've tested with
> > Debian linux-image-2.6.26-2-amd64 version 2.6.26-19lenny2, Debian
> > linux-image-2.6.30-bpo.2-amd64 version 2.6.30-8~bpo50+2 and kernel.org
> > 2.6.30.10 amd64 with ethtool patch for setting of tso. Same result.
> 
> Does booting with the kernel parameter 'pci=nomsi' avoid the problem?
> 

Hannes has found DMA-write (for rx-packet)  is abnormal due to msi function. 
But TSO is for rx-packet, an opposite direction. I'm not sure :(,
If someone has this issue,  he/she could have a try.

Thanks
Xiong