netdev - Re: BUG: soft lockup detected on CPU#0! (2.6.18.2 plus hacks)

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Message-ID: <OFDA4F9DE3.74AD3B77-ON88257258.00832CAB-88257258.00838732@us.ibm.com>
Date:	Wed, 3 Jan 2007 15:56:39 -0800
From:	David Stevens <dlstevens@...ibm.com>
To:	Ben Greear <greearb@...delatech.com>
Cc:	"David S. Miller" <davem@...emloft.net>, jarkao2@...pl,
	NetDev <netdev@...r.kernel.org>
Subject: Re: BUG: soft lockup detected on CPU#0!  (2.6.18.2 plus hacks)

OK, sounds good.

By the way, I think you can probably hit it more often if you have
something on the virtual network sending lots of multicast traffic while
you're creating the interface. That'll increase the odds that you'll
get into ip_check_mc() with a partially initialized in_dev.

You can use "ping -I intfX 224.0.0.1" (e.g.) to generate multicast
traffic, though you'd want more than one. :-)

                                                +-DLS

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