netdev - Re: RCU callback crashes

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Message-ID: <20171221085634.715bc991@cakuba.netronome.com>
Date:   Thu, 21 Dec 2017 08:56:34 -0800
From:   Jakub Kicinski <kubakici@...pl>
To:     John Fastabend <john.fastabend@...il.com>
Cc:     Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: RCU callback crashes

On Thu, 21 Dec 2017 08:26:56 -0800, John Fastabend wrote:
> @Jakub, does your test have traffic generator running or just control
> path? My theory would be a bit odd if you didn't have traffic, but
> something is kicking the dequeue so must be some traffic.

It was just control traffic, but it's the first time I've seen it so it
may be very unlikely to trigger...