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, 21 Feb 2007 19:56:39 -0500
Message-ID: <45DCEA47.5080100@redhat.com>
References: <45DB9C1F.1080605@redhat.com>
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Cc: netfilter-devel@lists.netfilter.org,
	linux-kernel <linux-kernel@vger.kernel.org>
To: Chuck Ebbert <cebbert@redhat.com>
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Chuck Ebbert wrote:
> I was testing a 2.6.20 kernel and got a soft
> lockup on shutdown:
> 
> _raw_write_lock+0x5a
> nf_ct_iterate_cleanup+0x3e
> kill_l3proto+0x0
> nf_conntrack_l3proto_unregister+0x85
> nf_conntrack_l3proto_ipv4_fini+0x1e
> sys_delete_module+0x18a
> remove_vma+0x45
> do_munmap+0x196
> syscall_call+0x7

Happened three times in a row, trying to remove
netfilter modules.