linux-kernel - Re: BUG: warning at kernel/softirq.c:141/local_bh

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Date:	Tue, 17 Oct 2006 18:53:56 +0200
From:	Eric Dumazet <dada1@...mosbay.com>
To:	John Philips <johnphilips42@...oo.com>
Cc:	linux-kernel@...r.kernel.org, linux-net@...r.kernel.org
Subject: Re: BUG: warning at kernel/softirq.c:141/local_bh_enable()

On Tuesday 17 October 2006 18:43, John Philips wrote:
> >OK, could you please send now :
> >
> >ifconfig eth6
> >cat /proc/interrupts
>
> Eric,
>
> Here you go:
>
> ifconfig eth6:
> eth6      Link encap:Ethernet  HWaddr XX:XX:XX:XX:XX:XX
>           inet addr:X.X.X.X  Bcast:X.X.X.X  Mask:X.X.X.X
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:19015877 errors:0 dropped:880 overruns:82 frame:0
>           TX packets:18771972 errors:1970 dropped:17259 overruns:25
> carrier:25 collisions:0 txqueuelen:1000
>           RX bytes:2956503786 (2.7 GiB)  TX bytes:2149556909 (2.0 GiB)
>           Interrupt:12 Base address:0x8000
>
>
> cat /proc/interrupts:
>            CPU0
>   0:   71570907          XT-PIC  timer
>   2:          0          XT-PIC  cascade
>   4:        465          XT-PIC  serial
>   8:          4          XT-PIC  rtc
>  10:   17076423          XT-PIC  eth1
>  11:    3602236          XT-PIC  eth2
>  12:   52112382          XT-PIC  eth0, eth6
>  14:     955580          XT-PIC  ide0
> NMI:          0
> LOC:          0
> ERR:          0

Hum, given your slow cpu, you might revert tx queue length to 2.4.XX level 
(100 instead of 1000)

ifconfig eth6 txqueuelen 100

Are you sure you cannot post here : 

tc -s -d qdisc show dev eth6

You might want to make inet_peer_cache purge faster :

echo 1 >/proc/sys/net/ipv4/inet_peer_gc_mintime
echo 2 >/proc/sys/net/ipv4/inet_peer_gc_maxtime

Eric
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