Message-ID: <42408A2C.8060103@cosmosbay.com>
Date: Tue, 22 Mar 2005 22:12:12 +0100
From: Eric Dumazet <dada1@cosmosbay.com>
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To: buakaw@buakaw.homelinux.net
CC: Phil Oester <kernel@linuxace.com>, linux-kernel@vger.kernel.org
Subject: Re: dst cache overflow
References: <1144.192.168.0.37.1111351868.squirrel@buakaw.homelinux.net>	<20050321194022.491060c7.akpm@osdl.org>	<1297.192.168.0.37.1111480783.squirrel@buakaw.homelinux.net>	<20050322161657.GA18925@linuxace.com> <20050322190726.e1jiyi25xws0okss@buakaw.homelinux.net>
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buakaw@buakaw.homelinux.net a ?crit :
> I see on 2.6.10/2.6.11.3
> 


Hello

Could you give us the results of these commands :

# grep . /proc/sys/net/ipv4/route/*
# cat /proc/net/stat/rt_cache

Eric Dumazet

> Quoting Phil Oester <kernel@linuxace.com>:
> 
>> On Tue, Mar 22, 2005 at 10:39:43AM +0200, buakaw@buakaw.homelinux.net 
>> wrote:
>>
>>>
>>> computer's main job is to be router on small LAN with 10 users and  some
>>> services like qmail, apache, proftpd, shoutcast, squid, and ices on 
>>> slack
>>> 10.1. Iptables and tc are used to limit  bandwiwdth and the two 
>>> bandwidthd
>>>  daemons are running on eth0 interface and all the time the cpu is 
>>> used at
>>> about 0.4% and additional 12% by ices  when encoding mp3 on demand, and
>>> the proccess ksoftirqd/0 randomally starts to use 100% of 0 cpu in 
>>> normal
>>> situation and one time when the ksoftirqd/0 became crazy i noticed dst
>>> cache overflow messages in syslog but there are more of thies lines in
>>> logs  about 5 times in 10 days period
>>
>>
>> There was a problem fixed in the handling of fragments which caused dst
>> cache overflow in the 2.6.11-rc series.  Are you still seeing dst cache
>> overflow on 2.6.11?
>>
>> Phil
>>
> 
> 
> 
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