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From: David Miller <davem@davemloft.net>
Subject: Re: Linux 3.1-rc9
Date: Tue, 25 Oct 2011 05:01:13 -0400 (EDT)
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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue, 25 Oct 2011 09:13:48 +0200

> Added netdev, because this seems to be a generic networking bug (ABBA
> between sk_lock and icsk_retransmit_timer if my quick scan looks
> correct).
> 
> Davem?

I suspect that's all just a side effect of whatever is creating the
preempt_count imbalance.