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Date:	Tue, 02 Oct 2012 23:35:31 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alexander Duyck <alexander.h.duyck@...el.com>
Cc:	David Miller <davem@...emloft.net>, chris2553@...glemail.com,
	netdev@...r.kernel.org, gpiez@....de, davej@...hat.com
Subject: Re: Possible networking regression in 3.6.0

On Tue, 2012-10-02 at 14:14 -0700, Alexander Duyck wrote:

> I think something may have been missed in this patch.
> 
> With it applied to net-next I am unable to remove the ixgbe driver after
> running a routing traffic test.  The specific message I am getting is:
>     unregister_netdevice: waiting for eth2 to become free. Usage count = -7

Yes, I realized later that rt_set_nexthop(), called from
__mkroute_input() was responsible to do the caching...

So another version is needed, I'll do that tomorrow unless David can fix
the problem while I sleep a bit ;)



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