netdev - Re: Network latency regressions from 2.6.22 to 2.6.29

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Message-ID: <alpine.DEB.1.10.0904170943300.11877@qirst.com>
Date:	Fri, 17 Apr 2009 09:46:11 -0400 (EDT)
From:	Christoph Lameter <cl@...ux.com>
To:	David Miller <davem@...emloft.net>
cc:	dada1@...mosbay.com, rick.jones2@...com, netdev@...r.kernel.org
Subject: Re: Network latency regressions from 2.6.22 to 2.6.29

On Thu, 16 Apr 2009, David Miller wrote:

> More seriously, it's going to be hard to isolate anything
> unless you concern yourself with changes to one thing
> on one system at a time.

Only the kernel version was changed on both systems. Changing only a
single system would have meant considering complex interactions between
the network layers of varying versions which would make
the problem even more difficult to track down.

I changed one thing: The kernel version.
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