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Date:      Mon, 11 Feb 2013 17:00:38 +0100
From:      =?ISO-8859-1?Q?Bernhard_Fr=F6hlich?= <decke@FreeBSD.org>
To:        CeDeROM <cederom@tlen.pl>
Cc:        freebsd-emulation@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: 9.1 AMD64 multitasking efficiency low
Message-ID:  <CAE-m3X0OpWxvxUv1tBYQu-XBDNw%2BD9UMej3p8niNJicUN8U2_w@mail.gmail.com>
In-Reply-To: <CAFYkXjm9Oa4T_7a=o2rkogj7CYfOPHbx6EjyucBp6phvB5WrPA@mail.gmail.com>
References:  <CAFYkXjkACs=2RaCb_BaoNT6PM%2B5gkQSGoKP5G4bR_284v_Eoig@mail.gmail.com> <CAE-m3X3KvNsb7AbQ_yRXEmyisFZ44Qdp4_xFv7HcJ%2BqjgJ0tQg@mail.gmail.com> <CAFYkXjm9Oa4T_7a=o2rkogj7CYfOPHbx6EjyucBp6phvB5WrPA@mail.gmail.com>

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On Mon, Feb 11, 2013 at 4:48 PM, CeDeROM <cederom@tlen.pl> wrote:
> On Mon, Feb 11, 2013 at 4:41 PM, Bernhard Fr=F6hlich <decke@freebsd.org> =
wrote:
>> You can try to switch to emulators/virtualbox-ose-legacy which is
>> VirtualBox 4.1.x
>> just to rule out that this is a vbox regression. Just be sure to power
>> down the VMs
>> first.
>> It would be interesting to watch if the machine starts to swap when that=
 is all
>> running.
>
> Hello Bernhard, thank you for your hints, I can try with VBox 4.1, but
> first I will try to get rid of the Ext2 from my system. On another
> machine I have switched to UFS2 and the speed increased noticably. I
> will let you know when I transfer all of those GB of data :-)
>
> Yes it looks like the cause of the hangup is the swap rush/deadlock
> but I could not verify it as the machine was unresponsive. Still both
> machines use 1GB of RAM per VM so still 2GB should be free. With other
> applications running and the OS taking 1GB itself (what I have seen on
> some other posts) this may happen :-(

VBox itself also needs some RAM and the emulated Graphics Card which
can easily be 128M per VM.

--=20
Bernhard Froehlich
http://www.bluelife.at/



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