linux-kernel - Re: [BUG] 2.6.29-rc* QinQ vlan trunking regression

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Message-Id: <20090304.025914.149394356.davem@davemloft.net>
Date:	Wed, 04 Mar 2009 02:59:14 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	kaber@...sh.net
Cc:	bart@...ie.net, greearb@...delatech.com, shemminger@...tta.com,
	dada1@...mosbay.com, frank.blaschka@...ibm.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [BUG] 2.6.29-rc* QinQ vlan trunking regression

From: Patrick McHardy <kaber@...sh.net>
Date: Wed, 04 Mar 2009 10:57:47 +0100

> David Miller wrote:
> > From: Bart Trojanowski <bart@...ie.net>
> > Date: Sat, 28 Feb 2009 13:05:41 -0500
> > 
> >> 2.6.29-rc* introduces a bug that causes a crash when a vlan is put into
> >> another vlan, so called vlan trunking or QinQ.
> >>
> >> I can reproduce it reliably with:
> >>
> >>   $ modprobe 8021q
> >>   $ vconfig add eth1 5
> >>   $ ifconfig eth1.5 up
> >>   $ vconfig add eth1.5 4
> > Stephen please fix this.
> 
> I'm maintaining vlan :) I haven't been able to look into this yet,
> but I should be later today.

Ok, I don't actually care who fixes it :-)

I asked Stephen because this appears like it might be netdev_ops
fallout.
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