linux-kernel - Re: ixgbe->bonding->vlan->bridge->ebtables&iptables causes memory corruption

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Message-ID: <1280241077.2827.327.camel@edumazet-laptop>
Date:	Tue, 27 Jul 2010 16:31:17 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Gyorgy Jeney <nog.lkml@...il.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: ixgbe->bonding->vlan->bridge->ebtables&iptables causes memory
 corruption

Le mardi 27 juillet 2010 à 09:15 +0200, Gyorgy Jeney a écrit :
> Hi,
> 
> I  have a rather interesting network setup here.  First I have a dual
> 10Gbit ixgbe ethernet card, being bonded into one link, on which we
> run a number of vlans, which are bridged with various virtual
> machines.  Now, to protect the box itself and the virtual machines I
> have a set of iptables and ebtables rules.  Whenever one of the
> virtual machines start the kernel, which is 2.6.35-rc6, will reliably
> panic.
> 
> This error needs both ebtables and iptables rules, without either one
> or the other, things seem to work quite well.
> 
> The errors and backtraces are many and long, so I attached the full
> dmes output, please say if you need more.
> 
> nog.

Not related to your crashes, but I wonder how
net/bridge/netfilter/ebt_vlan.c is supposed to work with hw accelerated
vlans...



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