netdev - Re: 2.6.29.1: unregister

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Message-ID: <20090428125755.GA5242@night.netis.ru>
Date:	Tue, 28 Apr 2009 16:57:55 +0400
From:	"Alexander V. Lukyanov" <lav@...is.ru>
To:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: 2.6.29.1: unregister_netdevice problem

On Mon, Apr 27, 2009 at 09:41:03AM +0400, Alexander V. Lukyanov wrote:
> On Wed, Apr 22, 2009 at 09:57:35AM +0400, Alexander V. Lukyanov wrote:
> > unregister_netdevice: waiting for eth0.2 to become free. Usage count = 4
> > 
> > eth0.2 is a vlan interface, eth0 is 02:00.0 Ethernet controller: Realtek
> > Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet
> > controller (rev 01)
> 
> Ok, now I did manually 'vconfig rem eth0.2' and I get these repeated messages.
> How do I find out what exactly holds the interface being used?

BTW, it looks like all vlan interfaces (I have many of them) have similar
problem, when it happens - every few days:

unregister_netdevice: waiting for eth0.907 to become free. Usage count = 20

and when I run a `vconfig rem', I cannot run another one. It s(t)ucks.

-- 
   Alexander..
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