From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] ip_gre: CONFIG_IPV6_MODULE support
Date: Wed, 29 Sep 2010 00:59:29 -0700 (PDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 29 Sep 2010 09:45:52 +0200

> I must miss something obvious.
> 
> David, with your patch, I cant :
> 
> install ipv6 /bin/true
> modprobe ip_gre
> 
> FATAL: Error inserting ip_gre
> (/lib/modules/2.6.36-rc6-dirty/kernel/net/ipv4/ip_gre.ko): Unknown
> symbol in module, or unknown parameter (see dmesg)
> 
> [  223.150774] ip_gre: Unknown symbol icmpv6_send (err 0)
> 

Try the options disable=1, that works.

We already prevent the "/bin/true" stupidity from working in
the bonding driver, that's why we added the disable
module option to ipv6.