linux-kernel - Re: 2.6.29 regression? Bonding tied to IPV6 in 29-rc5

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Message-Id: <200902192119.52519.arvidjaar@mail.ru>
Date:	Thu, 19 Feb 2009 21:19:40 +0300
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, netdev@...r.kernel.org,
	bonding-devel@...ts.sourceforge.net,
	"J.A. Magallón" <jamagallon@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.29 regression? Bonding tied to IPV6 in 29-rc5

On 19 of February 2009 21:15:07 Randy Dunlap wrote:
> Andrey Borzenkov wrote:
> > Forward to bonding and netdev
> >
> > On 17 of February 2009 11:52:32 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 ?
> >
> > If IPv6 is disable in kernel config bonding loads. But I think it
> > is regression, it should be possible to disable IPv6 if not
> > required.
>
> Just for clarification, is this a run-time (module load-time) error
> but not a build error?

Yes, this is run-time error. If IPV6 is disabled during kernel build, 
everything works; but the error was seen on distribution kernel which 
includes IPV6.

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