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Date:      Mon, 26 Aug 2019 17:03:21 -0700 (PDT)
From:      "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net>
To:        bob prohaska <fbsd@www.zefox.net>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: RPI2 drops _some_ ssh connection
Message-ID:  <201908270003.x7R03LjQ078338@gndrsh.dnsmgr.net>
In-Reply-To: <20190826174802.GB34339@www.zefox.net>

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> On Mon, Aug 26, 2019 at 10:07:24AM -0700, Rodney W. Grimes wrote:
> > 
> > Are there any OOM errors in the /var/log/messages or other indications
> > that the system decided to kill a process or a process exited abnormally?
> 
> Nothing on the console. As an aside, this is a Pi2 with 2G of swap. 
> So far there haven't been memory or swap issues (yet).
> 
> The cu session is talking to an FTDI usb-serial adapter. If cu gets
> crossed up, could it kill the ssh session that started it? 

Unlikely, unless your directly invoking cu from ssh as in:
ssh hostname cu someport
In that case if the cu exits for any reason the ssh session shuts
down too.  

If you are doing that you might try ssh'ing in, and then
invoking cu from the command prompt, that would put you back
at a command prompt, possibly with a reason cu exited, if that
is what is going on.

> Thanks for posting!
> bob prohaska
-- 
Rod Grimes                                                 rgrimes@freebsd.org



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