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Date:	Fri, 14 Dec 2007 11:41:26 +0900
From:	"Joonwoo Park" <>
To:	"David Miller" <>
Subject: Re: [PATCH 1/7] : e1000 Fix possible causing oops of net_rx_action

2007/12/13, David Miller <>:
> From: "Joonwoo Park" <>
> Date: Thu, 13 Dec 2007 19:18:56 +0900
> > Just blowing netif_running up is not best solution I think, it makes
> > ifconfig down hang at least for e1000.
> It hangs because the packet receive rate is so high that NAPI
> poll never exits.

Certainly I'm aware it

> I think we need a cheap solution to something so obscure and
> almost not worth explicitly even coding for.  Really, if you
> setup silly situations like that, you get what you asked for.

I can agree that we need good solution for that.
BUT I don't think I didn't setup *silly* situation. my customers who
are reporting this problem, running firewall on linux which is
forwarding packets with high rate.
I don't want to say 'don't ifconfig down, don't reboot, don't
shutdown' it would introduce problem on your such *sily* sitution'.
In addition, my laptop is just connected to another *linux* machine
which is generating 300mbps 64byte udp packets infinitely.

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