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

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Message-ID: <20070717092958.GB2049@ff.dom.local>
Date:	Tue, 17 Jul 2007 11:29:58 +0200
From:	Jarek Poplawski <jarkao2@...pl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Olaf Kirch <olaf.kirch@...cle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, davem@...emloft.net
Subject: Re: [patch] revert: [NET]: Fix races in net_rx_action vs netpoll

On Tue, Jul 17, 2007 at 10:57:48AM +0200, Ingo Molnar wrote:
> 
> Olaf,
> 
> i've got a new observation: changing CONFIG_HZ from 250 to 1000 makes 
> the problem go away. So it's somehow also related to jiffies.

IMHO it could be related with __LINK_STATE_RX_SCHED beeing set
too long e.g. between two softirqs. So, it could be really
a matter of timing out - not necessarily permanent error state.

Jarek P.
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