netdev - Re: RCU lock bug in 3.0.21 (bisected to: 682cb56a, fix NULL dereferences in check_peer

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Date:	Mon, 26 Mar 2012 14:53:36 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	David Miller <davem@...emloft.net>
CC:	netdev@...r.kernel.org, eric.dumazet@...il.com,
	gregkh@...uxfoundation.org
Subject: Re: RCU lock bug in 3.0.21 (bisected to: 682cb56a, fix NULL dereferences
 in check_peer_redir)

On 03/26/2012 02:49 PM, David Miller wrote:
>
> Looks like all of those strange undiagnosable reported Dave Jones
> has been feeding us.  Something in one part of the kernel leaves
> a lock held, and this shows up as a warning elsewhere.

Every (initial) bug printout fingers ipv6 and the 'ip' tool on my system.

And, the bisect clearly points at this commit.

I'm (re)reading the patch top to bottom to see if something
jumps out...and will be happy to liberally sprinkle debug
code if anyone has any suggestions.

Thanks,
Ben

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-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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