linux-kernel - Re: [patch] revert: [NET]: Fix races in net_rx

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Date:	Mon, 16 Jul 2007 15:29:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Olaf Kirch <olaf.kirch@...cle.com>
Cc:	David Miller <davem@...emloft.net>, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] revert: [NET]: Fix races in net_rx_action vs netpoll


* Olaf Kirch <olaf.kirch@...cle.com> wrote:

> On Monday 16 July 2007 13:26, David Miller wrote:
> > Well, let's figure out why before we revert because it
> > is attempting to fix a legitimate bug.
> > 
> > Olaf, any ideas?
> 
> It seems as if the card is stuck in NAPI mode without being serviced 
> by net_rx_action.
> 
> Ingo, is this a UP or SMP machine? Are you still getting output from 
> netconsole, or is the network down completely?

there is some netconsole output but that too gets stuck after the tx 
timeout message. The e1000 options are:

CONFIG_E1000=y
CONFIG_E1000_NAPI=y
# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set

	Ingo
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