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Date: Tue, 17 Oct 2006 22:54:04 +0200
From: Eric Dumazet <dada1@cosmosbay.com>
Subject: Re: BUG: warning at kernel/softirq.c:141/local_bh_enable()
In-reply-to: <20061017201014.51060.qmail@web57802.mail.re3.yahoo.com>
To: John Philips <johnphilips42@yahoo.com>
Cc: linux-kernel@vger.kernel.org, linux-net@vger.kernel.org
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John Philips a écrit :
>> Which NIC driver is handling eth6 ?
> 
> Eric,
> 
> eth6 is a NatSemi DP83815 NIC

Well... lot of changes in drivers/net/natsemi.c between 2.4 and 2.6

Previous versions had a max_interrupt_work = 20;
RX_RING_SIZE is 32 for this NIC

But NAPI standard weight is 64, maybe you should try to lower it ? (so that an 
interrupt dont try to queue/dequeue too many packets at once)

/proc/sys/net/core/dev_weight
/proc/sys/net/core/netdev_budget

Eric