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Date: Fri, 14 Dec 2007 11:41:26 +0900 From: "Joonwoo Park" <joonwpark81@...il.com> To: "David Miller" <davem@...emloft.net> Cc: auke-jan.h.kok@...el.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, jesse.brandeburg@...el.com, jgarzik@...ox.com, shemminger@...ux-foundation.org Subject: Re: [PATCH 1/7] : e1000 Fix possible causing oops of net_rx_action 2007/12/13, David Miller <davem@...emloft.net>: > From: "Joonwoo Park" <joonwpark81@...il.com> > 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. Joonwoo -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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