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

To: Ben Hutchings <ben@decadent.org.uk>, Anders Boström <anders@netinsight.net>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>, "565404@bugs.debian.org" <565404@bugs.debian.org>, "Hannes Frederic Sowa (hannes@stressinduktion.org)" <hannes@stressinduktion.org>
Subject: Bug#565404: linux-image-2.6.26-2-amd64: atl1e: TSO is broken
From: "Huang, Xiong" <xiong@qca.qualcomm.com>
Date: Sun, 31 Mar 2013 00:43:29 +0000
Message-id: <[🔎] 157393863283F442885425D2C45428564F202453@nasanexd02f.na.qualcomm.com>
Reply-to: "Huang, Xiong" <xiong@qca.qualcomm.com>, 565404@bugs.debian.org
In-reply-to: <[🔎] 1364689558.3557.22.camel@deadeye.wl.decadent.org.uk>
References: <CDAFEDABF718A54BABD0DA5476695307475CCD42@SHEXMB-01.global.atheros.com> <20100125.163612.582489483209420341.anders@netinsight.net> <CDAFEDABF718A54BABD0DA5476695307475CCFF8@SHEXMB-01.global.atheros.com> <20100126.093439.651115405791675606.anders@netinsight.net> <[🔎] 1364689558.3557.22.camel@deadeye.wl.decadent.org.uk>

> >
> > 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

Reply to:

References:
- Bug#565404: linux-image-2.6.26-2-amd64: atl1e: TSO is broken
  - From: Ben Hutchings <ben@decadent.org.uk>

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