From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: Is this nf_conn "use" counter bug??? Date: Mon, 23 Nov 2009 13:05:04 +0100 Message-ID: <4B0A7A70.2020702@trash.net> References: <7EEFA75B664A4BAFB3D6946823690567@kendo74746f2c0> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netfilter-devel@vger.kernel.org To: kendo Return-path: Received: from stinky.trash.net ([213.144.137.162]:38468 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757354AbZKWME7 (ORCPT ); Mon, 23 Nov 2009 07:04:59 -0500 In-Reply-To: <7EEFA75B664A4BAFB3D6946823690567@kendo74746f2c0> Sender: netfilter-devel-owner@vger.kernel.org List-ID: kendo wrote: > ----- Original Message -----=20 > From: "kendo" > To: "Patrick McHardy" > Sent: Monday, November 23, 2009 7:12 PM > Subject: Re: Is this nf_conn "use" counter bug??? >=20 >=20 >>> This code looks like from the 2.4 era. >> ----I'm sorry, I copy from 2.6.12,not 2.6.30.9.Because I also opened= up them. >> >>> Most likely there's an skb leak somewhere and the conntrack referen= ces >>> are not released. >> ----Yes, I think so.But why is that so??kfree_skb function has not b= een properly invoked when skb leave? Possibly. You can check the skbuff caches in /proc/slabinfo to see whether this is the case. >>>> Environment: >>>> -----internet--cisco switch (two port bonding)-----linux box(two b= ridge)----cisco switch(two port bonging)---server >>>> >>>> Cisco switch link aggregation=EF=BC=8Cuse two port.Linux box have = two Independent network bridge. >> (ge0/1) ---------------(et= h0) (eth1)------------(ge1/0/1) >> ---interface-----cisco switch 1 linux box = cisco switch 2--------servers >> (ge0/2)----------------(et= h2) (eth3)------------(ge1/0/1) >> >> switch 1: >> port 0/1 and port 0/2 link aggregation >> >> switch 2: >> port 1/0/1 and port 1/0/2 link aggregation So you're bridging two ports which are connected to aggregated links? What is the purpose of doing this? >> linux config: >> eth0, eth1 =3D> bridge0 up, no ip, stp off. >> eth2, eth3 =3D> bridge1 up, no ip, stp off. >> 2.6.30.9 >> xeon 5420 *8 >> intel 82575 * 8(version 2.0.6 or linux 2.6.30.9 inside) >> iptables rule: >> no any thing >> >> no other config. -- To unsubscribe from this list: send the line "unsubscribe netfilter-dev= el" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html