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SubjectRE: PROBLEM: [3.4] neigh_destroy() crashes on unplug netdev.
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Dear Eric:

3.6 or later kernels (including recent mainline) do not have this problem.
3.4.105 is based on an old kernel, but it is a latest kernel of 3.4 LTS branch.
I think it is better to backport 20 patches to LTS branch.
But if you do not have such support policy, I will apply these patches to my 3.4 kernel only.

Thanks

-----Original Message-----
From: Eric Dumazet [mailto:eric.dumazet@gmail.com]
Sent: Thursday, January 15, 2015 4:03 PM
To: Nakashima Akihiro
Cc: davem@davemloft.net; netdev@vger.kernel.org; Ueda Motoki; Otsu Takahiro; Tomono Mitsunori; linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: [3.4] neigh_destroy() crashes on unplug netdev.

On Thu, 2015-01-15 at 05:57 +0000, Nakashima Akihiro wrote:
> Dear David and networking developers:
>
> I got kernel panic on 3.4.105 kernel.
> Please see a report below.

Please try a recent kernel.

We are not going to debug such an old one, given there are chances we already fixed the problem ages ago.

Thanks



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