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SubjectRE: [REGRESSION, bisect] net: ipv6: unregister_netdevice: waiting for lo to become free. Usage count = 2
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> Hi David,
> On Wed, Mar 02, 2016 at 01:00:21PM -0800, David Ahern wrote:
> > On 3/2/16 12:31 PM, Jeremiah Mahler wrote:
> > >>On Tue, Mar 01, 2016 at 08:11:54AM +0000, Dexuan Cui wrote:
> > >>>Hi, I got this line every 10 seconds with today's linux-next in a Hyper-V
> guest, even
> > >>>when I didn't configure any NIC for the guest:
> > >>>
> > >>>[ 72.604249] unregister_netdevice: waiting for lo to become free. Usage
> count = 2
> > >>>[ 82.708170] unregister_netdevice: waiting for lo to become free. Usage
> count = 2
> > >>>[ 92.788079] unregister_netdevice: waiting for lo to become free. Usage
> count = 2
> > >>>[ 102.808132] unregister_netdevice: waiting for lo to become free. Usage
> count = 2
> > >>>[ 112.928166] unregister_netdevice: waiting for lo to become free. Usage
> count = 2
> > >>>[ 122.952069] unregister_netdevice: waiting for lo to become free. Usage
> count = 2
> > >>>
> > >>>I don't think this is related to the underlying host, since it's related to "lo".
> >
> > This should fix it:
> > https://patchwork.ozlabs.org/patch/591102/
>
> > David
>
> That patch fixes the problem on my machine.
> Thanks for the quick fix :-)
>
> - Jeremiah Mahler

This works for me too! Thanks!

Thanks,
-- Dexuan

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