netdev - Re: High ksoftirq CPU load, high latency, __xfrm4_find

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Message-Id: <20120312.125147.1873592382305681577.davem@davemloft.net>
Date:	Mon, 12 Mar 2012 12:51:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	robe@...enta.com
Cc:	netdev@...r.kernel.org
Subject: Re: High ksoftirq CPU load, high latency, __xfrm4_find_bundle
 likely culprit?

From: Roberto Suarez Soto <robe@...enta.com>
Date: Mon, 12 Mar 2012 16:50:35 +0100

> 	we've got a load problem in one of our IPSec gateways, running
> 	openswan 1:2.6.28+dfsg-5+squeeze1 and kernel 2.6.32-5-686-bigmem
> 	(Debian Squeeze). The symptoms are:

We had bugs where IPSEC routes weren't cached properly, and these were fixed
after 2.6.32 for sure.
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