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Date:      Fri, 29 Jun 2018 08:51:31 -0700
From:      bob prohaska <fbsd@www.zefox.net>
To:        Trev <freebsd-arm@sentry.org>
Cc:        freebsd-arm@freebsd.org, bob prohaska <fbsd@www.zefox.net>
Subject:   Re: RPI3 swap experiments
Message-ID:  <20180629155131.GA35717@www.zefox.net>
In-Reply-To: <51e208b4-9f14-58f7-1e70-6ef8db2c0bed@sentry.org>
References:  <20180626222834.GA20270@www.zefox.net> <28012DFB-37A0-461A-BB62-CD3EE61E82F0@yahoo.com> <20180627054027.GA22144@www.zefox.net> <CC72E766-03CB-476C-8F2B-DAAC266CE63D@yahoo.com> <20180627194217.GA27793@www.zefox.net> <C6303FC5-B412-472C-98E4-9A1E45C38535@yahoo.com> <20180628022457.GA30110@www.zefox.net> <7B9D272D-3EDE-46FA-8A1C-AEE65047167C@yahoo.com> <20180628163328.GA33408@www.zefox.net> <51e208b4-9f14-58f7-1e70-6ef8db2c0bed@sentry.org>

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On Fri, Jun 29, 2018 at 10:28:25PM +1000, Trev wrote:
> 
> Jun 29 20:20:35 rpi3 kernel: pid 66844 (c++), uid 0, was killed: out of 
> swap space
> 
> At the time of "out of swap" only 157M of the 4G swap was in use. The 
> 4GB swap partition is on a 4GB USB2 memory key (da1p1), everything else 
> is on the sdcard. There are no excessively long ms/w being recorded. 
> There are no USB or other related errors.
> 

That's a little surprising, and disturbing. By my experience your setup
should have run to completion.

Do you see a "too much swap" complaint? I don't know if it's a problem,
but 4 GB of swap triggers one on my RPi3. 3 GB does not. 2 GB is enough
to finish -j4 buildworld.

[snip]

Thanks for writing!

bob prohaska




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