linux-kernel - Re: Bonding tied to IPV6 in 29-rc5

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Date:	Wed, 4 Mar 2009 07:05:33 +0100 (CET)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	J.A. Magallón <jamagallon@....com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Mdv Cooker <cooker@...drivalinux.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Bonding tied to IPV6 in 29-rc5


On Tuesday 2009-02-17 09:52, J.A. Magallón wrote:

>Hi all...
>
>Don't know if this is specific for -rc5, I have jumped from 28.4 to 29-rc5.
>In this latest kernel, I can not install 'bonding' module if 'ipv6' is
>disabled to load via modprobe.conf:
>
>install ipv6 /bin/true
>
>Trying bonding gives this dmesg:
>
>bonding: Unknown symbol ndisc_build_skb
>bonding: Unknown symbol in6_dev_finish_destroy
>bonding: Unknown symbol ndisc_send_skb
>bonding: Unknown symbol unregister_inet6addr_notifier
>bonding: Unknown symbol register_inet6addr_notifier
>
>Commenting the line in modprobe.conf makes things smooth again.
>We can not disable ipv6 anymore ?

Well, given ipv6 is now a runtime dependency when compiled
with CONFIG_IPV6={m,y}, it seems about right what you see.
I would not call this a regression.

$ modinfo bonding
filename:       /lib/modules/2.6.29-rc6-jen77-rt/kernel/bonding.ko.gz
author:         Thomas Davis, tadavis@....gov and many others
description:    Ethernet Channel Bonding Driver, v3.5.0
version:        3.5.0
license:        GPL
srcversion:     752CFD14F79DC79CF4BFB2E
depends:        ipv6
                ^^^^
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