From owner-freebsd-hackers@FreeBSD.ORG  Fri Apr 11 09:23:16 2014
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Date: Fri, 11 Apr 2014 10:23:07 +0100
From: Karl Pielorz <kpielorz_lst@tdx.co.uk>
To: Konstantin Belousov <kostikbel@gmail.com>
Subject: Re: Stuck CLOSED sockets / sshd / zombies...
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--On 10 April 2014 21:48 +0300 Konstantin Belousov <kostikbel@gmail.com> 
wrote:

>> I have an identical 'clone' of this system (with the same issue) - is
>> there  something I can put in '/etc/make.conf' and rebuild the world
>> [with your  patch] with debug stuff enabled everywhere, on that clone?
> You should put DEBUG_FLAGS=-g either in make.conf or src.conf,
> I am not sure which one is correct.

Ok, '/etc/src.conf' *appears* to be the right place. I'm rebuilding 
everything now with that set. I'll get it installed, hopefully reproduce 
the problem - then run a back trace.

This build includes your most recent rtld-elf patch etc.

I'll post again when this has completed with the results... I'm also 
investigating if I can get this machine setup somewhere with external 
access  available...

-Karl