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From: Patrick McHardy <kaber@trash.net>
To: Nishit Shah <nishit@elitecore.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: iptables error
Date: Mon, 01 Sep 2008 15:38:01 +0200	[thread overview]
Message-ID: <48BBF039.6090501@trash.net> (raw)
In-Reply-To: <003501c90aa0$59d583a0$0d808ae0$@com>

Nishit Shah wrote:
> Hi,
> 	I am using 2.6.16.13 kernel in smp configuration. Machine is working
> as a gateway and frequent iptables commands are fired as users logged in and
> logged out.
> 
>       I got following error in between
> 
> [root@manage /root]# iptables -nvx -L INPUT
> ERROR: 7 not a valid target)
> Aborted (core dumped)
> 
> So, I tried to flush INPUT and got following
> 
> [root@manage /root]# iptables -F INPUT 
> iptables: Too many levels of symbolic links
> 
> following is a message I got in /var/log/messages
> 
> Aug 26 14:38:30 1219741710 kernel: iptables: loop hook 1 pos 0 00000022.

That kernel version has an iptables locking bug that might
lead to corruption. Latest 2.6.16 version has this fixed.

  reply	other threads:[~2008-09-01 13:38 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-30 13:00 iptables error Nishit Shah
2008-09-01 13:38 ` Patrick McHardy [this message]
2008-09-02  8:57   ` Nishit Shah
  -- strict thread matches above, loose matches on Subject: below --
2009-06-25 12:56 iptables ERROR Ritesh Majumdar
2009-06-25 13:39 ` Richard Horton
2009-06-25 14:00 ` Ritesh Majumdar
2009-06-25 15:11   ` Jan Engelhardt
2009-06-25 18:08     ` Jozsef Kadlecsik

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