netdev - Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused by netem)

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Message-ID: <20090706163106.GA4559@ami.dom.local>
Date:	Mon, 6 Jul 2009 18:31:06 +0200
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Andres Freund <andres@...razel.de>
Cc:	Joao Correia <joaomiguelcorreia@...il.com>,
	Arun R Bharadwaj <arun@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Stephen Hemminger <shemminger@...tta.com>,
	netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 (
	possibly?caused by netem)

On Mon, Jul 06, 2009 at 06:13:29PM +0200, Andres Freund wrote:
...
> > > Btw, I ran netem with delay for more than 48h on around 80mbit... That
> > > does  not exclude such a rarely triggered race, but makes it a bit more
> > > unlikely. (With migration thats around 3sec or so)
...
> Sorry once more.

Andres, the bisection + the above - you did 'the whole lotta work' and
you shouldn't be sorry at all! ;-)

Thanks again,
Jarek P.
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