netdev - Re: Kernel panic when using bridge

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Message-ID: <20110408121700.0aad53fe@nehalam>
Date:	Fri, 8 Apr 2011 12:17:00 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Scot Doyle <lkml@...tdoyle.com>
Cc:	netdev@...r.kernel.org
Subject: Re: Kernel panic when using bridge

On Thu, 07 Apr 2011 20:20:25 -0500
Scot Doyle <lkml@...tdoyle.com> wrote:

> This kernel panic occurs when using a bridge. I would be grateful for 
> any ideas on how to correct it.
> 
> The panic was captured on two servers after three or four days of 
> minimal use, both configured as follows:
> - unpatched kernel 2.6.39-rc1 (commit 
> ecb78ab6f30106ab72a575a25b1cdfd1633b7ca2) with default .config options
> - br0 on single intel igb NIC (3 other NIC's unused)
> - br0 with ip address on distinct /27 subnet
> - br0:1 with ip address on distinct /24 subnet
> - br0:2 with ip address on distinct /24 subnet
> - no iptables rules
> - ebtables not installed
> 
> "net/bridge/br_netfilter.c" and "net/ipv4/ip_options.c" (in the current 
> 2.6.39-rc2 and in net-next-2.6) are identical to the versions used to 
> build this kernel.
> 

Please reproduce with exactly 2.6.39-rc2 there were some bug fixes
to make sure that header was initialized.


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