From owner-freebsd-arm@FreeBSD.ORG  Tue Feb 12 15:32:32 2013
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To: freebsd-arm@freebsd.org
Subject: Re: sshd dying on BeagleBone
References: <20130211191608.06a3b3e5@ivory.local>
Date: Tue, 12 Feb 2013 16:32:23 +0100
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From: "Ronald Klop" <ronald-freebsd8@klop.yi.org>
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On Tue, 12 Feb 2013 01:16:08 +0100, Brett Wynkoop <wynkoop@wynn.com> wrote:

> Greeting-
>
> While looking at the console I saw that sshd died on signal 11!  So now
> we have a clue.  If I recall correctly signal 11 is a seg fault.
>
> -Brett
>

You recall correctly. But a seg fault can have multiple reasons like a  
programming error in ssh or corrupted memory (like errors in the kernel  
which shuffle pages or whatever) or faulty memory chips so a pointer is  
flipped or ....
Do you have a core dump from ssh? If not you should configure the machine  
to make them.

You can instruct where core files are dumped. My ARM computer says:
$ sysctl kern | grep core
kern.corefile: %N.core
kern.nodump_coredump: 0
kern.coredump: 1
kern.sugid_coredump: 0

But my amd64 desktop has this:
kern.corefile: /var/tmp/%U.%N.core

See 'man core' for more information.

Regards,
Ronald.