From: Ben Greear <greearb@candelatech.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com,
gregkh@linuxfoundation.org
Subject: Re: RCU lock bug in 3.0.21 (bisected to: 682cb56a, fix NULL dereferences in check_peer_redir)
Date: Mon, 26 Mar 2012 14:53:36 -0700 [thread overview]
Message-ID: <4F70E560.3020102@candelatech.com> (raw)
In-Reply-To: <20120326.174945.1186427809261872546.davem@davemloft.net>
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@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2012-03-26 21:53 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-26 21:43 RCU lock bug in 3.0.21 (bisected to: 682cb56a, fix NULL dereferences in check_peer_redir) Ben Greear
2012-03-26 21:49 ` David Miller
2012-03-26 21:53 ` Ben Greear [this message]
2012-03-26 23:06 ` Ben Greear
2012-03-26 23:11 ` David Miller
2012-03-26 23:39 ` Eric Dumazet
2012-03-26 23:46 ` Ben Greear
2012-03-26 23:53 ` Ben Greear
2012-03-27 0:07 ` Eric Dumazet
2012-03-27 5:11 ` Paul E. McKenney
2012-03-27 5:30 ` Ben Greear
2012-03-27 16:47 ` Paul E. McKenney
2012-03-27 16:47 ` Ben Greear
2012-03-27 18:06 ` Eric Dumazet
2012-03-27 19:39 ` Eric Dumazet
2012-03-27 19:53 ` [PATCH] net: fix a potential rcu_read_lock() imbalance in rt6_fill_node() Eric Dumazet
2012-03-27 20:07 ` Ben Greear
2012-03-27 20:17 ` Ben Greear
2012-03-27 20:25 ` Greg KH
2012-03-27 22:22 ` David Miller
2012-03-28 0:54 ` John Fastabend
2012-03-28 1:27 ` David Miller
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