From owner-freebsd-virtualization@FreeBSD.ORG  Sun Sep  2 18:33:39 2012
Return-Path: <owner-freebsd-virtualization@FreeBSD.ORG>
Delivered-To: freebsd-virtualization@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 48F0C106564A;
	Sun,  2 Sep 2012 18:33:39 +0000 (UTC)
	(envelope-from andrnils@gmail.com)
Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com
	[209.85.214.182])
	by mx1.freebsd.org (Postfix) with ESMTP id D5BC78FC15;
	Sun,  2 Sep 2012 18:33:38 +0000 (UTC)
Received: by obbun3 with SMTP id un3so10653129obb.13
	for <multiple recipients>; Sun, 02 Sep 2012 11:33:38 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
	h=mime-version:in-reply-to:references:date:message-id:subject:from:to
	:cc:content-type;
	bh=RD6bz6uhqMhRr6qzH0OTUDrlysxZT15YccquFYoVDRM=;
	b=WLXEBPaS2ePQqS4kskULbBtKMDfr9RFv90/vpNXKa3PT/z6wY4OMNISa8pnLuhN/Xr
	nZ7WQTEakZxA6BupFE9OeCvQmDALzzWUlXijl13LYAzwQR45Jim7IygsKgLx2AQjv08Y
	I4CZCaBwtzOEDKOkZeGK5invxvoItyphoRbYf7DJVBV4zS7Fxetl7tyBJGkkqRNQjkuc
	EZykrPV9rUxU3GG/x20RaaeVCFiYH04e0L1WTPh5o06+rdEQL2cY2kl7VxPaY2M1v/f3
	85zJB7QDfsM8jzwKsd8x8ah35nvakJ4Z1h4K/v6G3jKKMvndGFsx6wQe4M2O1Q+n58A/
	4V2A==
MIME-Version: 1.0
Received: by 10.182.1.72 with SMTP id 8mr12314904obk.61.1346610818284; Sun, 02
	Sep 2012 11:33:38 -0700 (PDT)
Received: by 10.60.46.165 with HTTP; Sun, 2 Sep 2012 11:33:38 -0700 (PDT)
In-Reply-To: <20120902165648.GB3721@kloomba>
References: <20120815155222.GA46502@kloomba> <20120819191127.GA1733@kloomba>
	<5031C58C.40108@freebsd.org> <20120820133613.GA1701@kloomba>
	<50324270.9040504@freebsd.org> <20120902164750.GA3721@kloomba>
	<20120902165648.GB3721@kloomba>
Date: Sun, 2 Sep 2012 20:33:38 +0200
Message-ID: <CAPS9+StBftj=q7cki8i+RpQmTvU9hKpS4w8aqDCqHSAnx-eSow@mail.gmail.com>
From: Andreas Nilsson <andrnils@gmail.com>
To: Roman Bogorodskiy <novel@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1
X-Content-Filtered-By: Mailman/MimeDel 2.1.5
Cc: freebsd-virtualization@freebsd.org
Subject: Re: BHyVe: vm_setup_memory(highmem): Cannot allocate memory
X-BeenThere: freebsd-virtualization@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "Discussion of various virtualization techniques FreeBSD supports."
	<freebsd-virtualization.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization>,
	<mailto:freebsd-virtualization-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-virtualization>
List-Post: <mailto:freebsd-virtualization@freebsd.org>
List-Help: <mailto:freebsd-virtualization-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization>,
	<mailto:freebsd-virtualization-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 02 Sep 2012 18:33:39 -0000

On Sun, Sep 2, 2012 at 6:56 PM, Roman Bogorodskiy <novel@freebsd.org> wrote:

>   Roman Bogorodskiy wrote:
>
> >   Peter Grehan wrote:
> >
> > > Hi Roman,
> > >
> > > > Yeah, but I'd like to leave more memory for the host system, so I
> > > > specified 6GB. I have 8GB at all, so 2GB left for VMs.
> > > > Should it cause any problems?
> > >
> > >   No, that should be fine.
> > >
> > > > BTW, I encountered a problem with the tap0 device. I create a tap
> device
> > > > and assign an address to it, using 'ifconfig tap0 192.168.1.1 up'.
> > > >
> > > > I boot a VM and everything goes fine. When I do 'reboot' in the
> guest,
> > > > it reboots, but tap0 on the host goes down and its address is
> dropped.
> > > > Is that an expected behaviour?
> > >
> > >   Yes - we probably need to fix the tap device to not do that :(
> >
> > Yeah, it would be great to get this fixed.
> >
> > And one question: is there a way to get a list of all running VMs on the
> > host? Doesn't seem like vmmctl being able to do that.
>
> Oh, I've started reading the code and figured out that I can just do
> `ls /dev/vmm`!
>
> Roman Bogorodskiy
>

IMHO: Please don't introduce "reading stuff in /dev" as a standard way to
get info ( at least not for end user). sysctl is so much nicer to work with.

Regards
Andreas