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Date: Thu, 11 Feb 2016 16:34:28 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Giuseppe Lettieri <g.lettieri@iet.unipi.it>
Cc: Luigi Rizzo <rizzo@iet.unipi.it>, Adrian Chadd <adrian.chadd@gmail.com>,
 "stable@freebsd.org" <stable@freebsd.org>
Subject: Re: 82576 + NETMAP + VLAN
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On Thu, Feb 11, 2016 at 10:11:59AM +0100, Giuseppe Lettieri wrote:

> Il 10/02/2016 14:53, Slawa Olhovchenkov ha scritto:
> > On Wed, Feb 10, 2016 at 02:33:20PM +0100, Giuseppe Lettieri wrote:
> >
> >> Il 10/02/2016 12:59, Slawa Olhovchenkov ha scritto:
> >>> Can you look also on second issue?
> >>>
> >>> PS: What need from me? May be open PR?
> >>
> >> May you provide some example code that triggers the issue?
> >
> > This is about 700 lines of code (not very clear), may be I can describe it?
> 
> I just need some code to trigger the problem locally. Don't worry about 
> the clarity and the line count, unless you cannot share the code for 
> other reasons.

I am attach source.
run as "prog if1 if2"
Got `acquiring duplicate lock of same type: "nm_kn_lock"` immediatly
after start.
Dead locking may be occur immediatly after start or may be need
traffic flooding.