From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chuck Ebbert <cebbert@redhat.com>
Subject: Re: Soft lockup on shutdown in nf_ct_iterate_cleanup()
Date: Wed, 28 Feb 2007 15:30:59 -0500
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Cc: netfilter-devel@lists.netfilter.org,
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To: Patrick McHardy <kaber@trash.net>
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Patrick McHardy wrote:
> Thanks, the previous approach doesn't seem to work properly without
> unpleasant event cache hacks. This patch takes a simpler approach
> and keeps the unconfirmed list iteration, but makes sure to make
> forward progress.
> 
> 
> 
> ------------------------------------------------------------------------
> 
> [NETFILTER]: conntrack: fix {nf,ip}_ct_iterate_cleanup endless loops
> 
> Fix {nf,ip}_ct_iterate_cleanup unconfirmed list handling:
> 

Works great: survived three reboots without lockup or warning messages.
And it's a nice simple patch, too...