From mboxrd@z Thu Jan  1 00:00:00 1970
From: "David S. Miller" <davem@davemloft.net>
Subject: Re: bad TSO performance in 2.6.9-rc2-BK
Date: Wed, 22 Sep 2004 11:12:09 -0700
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To: Andi Kleen <ak@suse.de>
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On Wed, 22 Sep 2004 16:00:00 +0200
Andi Kleen <ak@suse.de> wrote:

> I tried it with rc2bk8 again and the performance is much better (22MB/s) 
> that what I got earlier with 2.6.8rc2, but still far below what 2.6.5 gets 
> on the same hardware (68MB/s) 
> 
> Both tests with netperf over e1000.

Great, please try one more thing to help me narrow this down.
Rerun your e1000 tests after going:

ethtool -K eth? tso off

and see if that gets you back to 2.6.5 era performance.

Thanks Andi.