Attachment #158789 for bug #201578

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	</sect3>
      </sect2>
-->
      <sect2 xml:id="virtualization-guest-virtualpc">
	<title><application>Virtual PC</application> on
	  &windows;</title>

	<para><application>Virtual PC</application> for &windows; is a
	  &microsoft; software product available for free download.
	  See this website for the <link
	    xlink:href="http://www.microsoft.com/windows/downloads/virtualpc/sysreq.mspx">system
	    requirements</link>.  Once <application>Virtual
	    PC</application> has been installed on
	    &microsoft.windows;, the user can configure a virtual
	    machine and then install the desired guest operating
	    system.</para>

	  <sect3 xml:id="virtualization-guest-virtualpc-install">
	    <title>Installing &os; on <application>Virtual
		PC</application></title>

	    <para>The first step in installing &os; on
	      <application>Virtual PC </application> is to create a
	      new virtual machine for installing &os;.  Select
	      <guimenuitem>Create a virtual machine</guimenuitem> when
	      prompted:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd1"/>
	      </imageobject>
	    </mediaobject>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd2"/>
	      </imageobject>
	    </mediaobject>

	    <para>Select <guimenuitem>Other</guimenuitem> as the
	      <guimenuitem>Operating system</guimenuitem> when
	      prompted:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd3"/>
	      </imageobject>
	    </mediaobject>

	    <para>Then, choose a reasonable amount of disk and memory
	      depending on the plans for this virtual &os; instance.
	      4GB of disk space and 512MB of RAM work well for most
	      uses of &os; under
	      <application>Virtual PC</application>:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd4"/>
	      </imageobject>
	    </mediaobject>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd5"/>
	      </imageobject>
	    </mediaobject>

	    <para>Save and finish the configuration:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd6"/>
	      </imageobject>
	    </mediaobject>

	    <para>Select the &os; virtual machine and click
	      <guimenu>Settings</guimenu>, then set the type of
	      networking and a network interface:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd7"/>
	      </imageobject>
	    </mediaobject>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd8"/>
	      </imageobject>
	    </mediaobject>

	    <para>After the &os; virtual machine has been created,
	      &os; can be installed on it.  This is best done with an
	      official &os; CD/DVD or with an ISO image downloaded
	      from an official FTP site.  Copy the appropriate ISO
	      image to the local &windows; filesystem or insert a
	      CD/DVD in the CD
	      drive, then double click on the &os; virtual machine to
	      boot.  Then, click <guimenu>CD</guimenu> and choose
	      <guimenu>Capture ISO Image...</guimenu> on the
	      <application>Virtual PC</application> window.  This will
	      bring up a window where the CDROM drive in the virtual
	      machine can be associated with an ISO file on disk or
	      with the real CDROM drive.</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd9"/>
	      </imageobject>
	    </mediaobject>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd10"/>
	      </imageobject>
	    </mediaobject>

	    <para>Once this association with the CDROM source has been
	      made, reboot the &os; virtual machine by clicking
	      <guimenu>Action</guimenu> and <guimenu>Reset</guimenu>.
	      <application>Virtual PC</application> will reboot with a
	      special BIOS that first checks for a CDROM.</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd11"/>
	      </imageobject>
	    </mediaobject>

	    <para>In this case it will find the &os; installation
	      media and begin a normal &os; installation.  Continue
	      with the installation, but do not attempt to configure
	      <application>&xorg;</application> at this time.</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd12"/>
	      </imageobject>
	    </mediaobject>

	    <para>When the installation is finished, remember to eject
	      the CD/DVD or release the ISO image.  Finally, reboot
	      into the newly installed &os; virtual machine.</para>

	    <mediaobject>
	      <imageobject>
		<imagedata
		  fileref="virtualization/virtualpc-freebsd13"/>
	      </imageobject>
	    </mediaobject>
	  </sect3>

	  <sect3 xml:id="virtualization-guest-virtualpc-configure">
	    <title>Configuring &os; on <application>Virtual
		PC</application></title>

	    <para>After &os; has been successfully installed on
	      &microsoft.windows; with <application>Virtual PC
	      </application>, there are a number of configuration
	      steps that can be taken to optimize the system for
	      virtualized operation.</para>

	    <procedure>
	      <step>
		<title>Set Boot Loader Variables</title>

		<para>The most important step is to reduce the
		  <option>kern.hz</option> tunable to reduce the CPU
		  utilization of &os; under the <application>Virtual
		  PC</application> environment.  This is accomplished
		  by adding the following line to
		  <filename> /boot/loader.conf</filename>:</para>

		  <programlisting>kern.hz=100</programlisting>

		<para>Without this setting, an idle &os;
		  <application>Virtual PC</application> guest OS will
		  use roughly 40% of the CPU of a single processor
		  computer.  After this change, the usage will be
		  closer to 3%.</para>
	      </step>

	      <step>
		<title>Create a New Kernel Configuration File</title>

		<para>All of the SCSI, FireWire, and USB device
		  drivers can be removed from a custom kernel
		  configuration file.
		  <application>Virtual PC</application> provides
		  a virtual network adapter used by the &man.de.4;
		  driver, so all network devices except
		  for &man.de.4; and &man.miibus.4; can be removed
		  from the kernel.</para>
	      </step>

	      <step>
		<title>Configure Networking</title>

		<para>The most basic networking setup uses DHCP to
		  connect the virtual machine to the same local area
		  network as the &microsoft.windows; host.  This can
		  be accomplished by adding
		  <literal>ifconfig_de0="DHCP"</literal> to
		  <filename>/etc/rc.conf</filename>.  More advanced
		  networking setups are described in
		  <xref linkend="advanced-networking"/>.</para>
	      </step>
	    </procedure>
	  </sect3>
	</sect2>

	<sect2 xml:id="virtualization-guest-vmware">
	  <title><application>VMware Fusion</application> on
	    &macos;</title>

	  <para><application>VMware Fusion</application> for &mac; is
	    a commercial software product available for &intel; based
	    &apple; &mac; computers running &macos; 10.4.9 or higher.
	    &os; is a fully supported guest operating system.  Once
	    <application>VMware Fusion</application> has been
	    installed on &macos; X, the user can configure a virtual
	    machine and then install the desired guest operating
	    system.</para>

	  <sect3 xml:id="virtualization-guest-vmware-install">
	    <title>Installing &os; on <application>VMware
		Fusion</application></title>

	    <para>The first step is to start
	      <application>VMware Fusion</application>
	      which will load the Virtual Machine Library.  Click
	      <guimenuitem>New</guimenuitem>
	      to create the virtual machine:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd01"/>
	      </imageobject>
	    </mediaobject>

	    <para>This will load the New Virtual Machine Assistant.
	      Click <guimenuitem>Continue</guimenuitem> to
	      proceed:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd02"/>
	      </imageobject>
	    </mediaobject>

	    <para>Select <guimenuitem>Other</guimenuitem> as the
	      <guimenuitem>Operating System</guimenuitem> and either
	      <guimenuitem>&os;</guimenuitem> or
	      <guimenuitem>&os; 64-bit</guimenuitem>, as the
	      <guimenu>Version</guimenu> when prompted:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd03"/>
	      </imageobject>
	    </mediaobject>

	    <para>Choose the name of the virtual machine and the
	      directory where it should be saved:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd04"/>
	      </imageobject>
	    </mediaobject>

	    <para>Choose the size of the Virtual Hard Disk for the
	      virtual machine:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd05"/>
	      </imageobject>
	    </mediaobject>

	    <para>Choose the method to install the virtual machine,
	      either from an ISO image or from a CD/DVD:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd06"/>
	      </imageobject>
	    </mediaobject>

	    <para>Click <guimenuitem>Finish</guimenuitem> and the
	      virtual machine will boot:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd07"/>
	      </imageobject>
	    </mediaobject>

	    <para>Install &os; as usual:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd08"/>
	      </imageobject>
	    </mediaobject>

	    <para>Once the install is complete, the settings
	      of the virtual machine can be modified, such as memory
	      usage:</para>

	    <note>
	      <para>The System Hardware settings of the virtual
		machine cannot be modified while the virtual machine
		is running.</para>
	    </note>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd09"/>
	      </imageobject>
	    </mediaobject>

	    <para>The number of CPUs the virtual machine will have
	      access to:</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd10"/>
	      </imageobject>
	    </mediaobject>

	    <para>The status of the CDROM device.  Normally the
	      CD/DVD/ISO is disconnected from the virtual machine when
	      it is no longer needed.</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd11"/>
	      </imageobject>
	    </mediaobject>

	    <para>The last thing to change is how the virtual machine
	      will connect to the network.  To allow connections to
	      the virtual machine from other machines besides the
	      host, choose <guimenuitem>Connect directly to the
	      physical network (Bridged)</guimenuitem>.  Otherwise,
	      <guimenuitem>Share the
	      host's internet connection (NAT)</guimenuitem> is
	      preferred so that the virtual machine can have access
	      to the Internet, but the network cannot access the
	      virtual machine.</para>

	    <mediaobject>
	      <imageobject>
		<imagedata fileref="virtualization/vmware-freebsd12"/>
	      </imageobject>
	    </mediaobject>

	    <para>After modifying the settings, boot the newly
	      installed &os; virtual machine.</para>
	  </sect3>

	  <sect3 xml:id="virtualization-guest-vmware-configure">
	    <title>Configuring &os; on <application>VMware
		Fusion</application></title>

	    <para>After &os; has been successfully installed on
	      &macos; X with <application>VMware Fusion</application>,
	      there are a number of configuration steps that can be
	      taken to optimize the system for virtualized
	      operation.</para>

	    <procedure>
	      <step>
		<title>Set Boot Loader Variables</title>

		<para>The most important step is to reduce the
		  <option>kern.hz</option> tunable to reduce the CPU
		  utilization of &os; under the
		  <application>VMware Fusion</application>
		  environment.  This is accomplished by adding the
		  following line to
		  <filename>/boot/loader.conf</filename>:</para>

		<programlisting>kern.hz=100</programlisting>

		<para>Without this setting, an idle &os;
		  <application>VMware Fusion</application> guest will
		  use roughly 15% of the CPU of a single processor
		  &imac;.  After this change, the usage will be closer
		  to 5%.</para>
	      </step>

	      <step>
		<title>Create a New Kernel Configuration File</title>

		<para>All of the FireWire, and USB device drivers can
		  be removed from a custom kernel configuration file.
		  <application>VMware Fusion</application> provides a
		  virtual network adapter used by the &man.em.4;
		  driver, so all  network devices except for
		  &man.em.4; can be removed from the kernel.</para>
	      </step>

	      <step>
		<title>Configure Networking</title>

		<para>The most basic networking setup uses DHCP to
		  connect the virtual machine to the same local area
		  network as the host &mac;.  This can be accomplished
		  by adding <literal>ifconfig_em0="DHCP"</literal> to
		  <filename>/etc/rc.conf</filename>.  More advanced
		  networking setups are described in
		  <xref linkend="advanced-networking"/>.</para>
	      </step>
	    </procedure>
	  </sect3>
	</sect2>

	<sect2
	  xml:id="virtualization-guest-virtualbox-guest-additions">
	  <title>&virtualbox; Guest Additions on a &os; Guest</title>

	  <para>The <application>&virtualbox;</application> guest
	    additions provide support for:</para>

	  <itemizedlist>
	    <listitem>
	      <para>Clipboard sharing.</para>
	    </listitem>

	    <listitem>
	      <para>Mouse pointer integration.</para>
	    </listitem>

	    <listitem>
	      <para>Host time synchronization.</para>
	    </listitem>

	    <listitem>
	      <para>Window scaling.</para>
	    </listitem>

	    <listitem>
	      <para>Seamless mode.</para>
	    </listitem>
	  </itemizedlist>

	  <note>
	    <para>The following commands are run in the &os;
	      guest.</para>
	  </note>

	  <para>First, install the
	    <package>emulators/virtualbox-ose-additions</package>
	    package or port in the &os; guest.  This will install the
	    port:</para>

	  <screen>&prompt.root; <userinput>cd /usr/ports/emulators/virtualbox-ose-additions &amp;&amp; make install clean</userinput></screen>

	  <para>Add these lines to
	    <filename>/etc/rc.conf</filename>:</para>

	  <programlisting>vboxguest_enable="YES"
    vboxservice_enable="YES"</programlisting>

	  <para>When <application>Xorg</application> will be used in
	    the guest, any required supporting services must also be
	    enabled just as if the guest was a physical machine.
	    Typically, these lines would also be added to
	    <filename>/etc/rc.conf</filename>:</para>

	  <programlisting>hald_enable="YES"
	    dbus_enable="YES"</programlisting>

	  <para>See <xref linkend="x-config"/> for details.</para>

	  <para>If &man.ntpd.8; or &man.ntpdate.8; is used, disable
	    host time synchronization:</para>

	  <programlisting>vboxservice_flags="--disable-timesync"</programlisting>

	  <para><application>Xorg</application> will automatically
	    recognize the <literal>vboxvideo</literal> driver.
	    It can also be manually entered in
	    <filename>/etc/X11/xorg.conf</filename>:</para>

	  <programlisting>Section "Device"
	    ### Available Driver options are:-
	    ### Values: &lt;i&gt;: integer, &lt;f&gt;: float, &lt;bool&gt;: "True"/"False",
	    ### &lt;string&gt;: "String", &lt;freq&gt;: "&lt;f&gt; Hz/kHz/MHz"
	    ### [arg]: arg optional
	    Identifier "Card0"
	    Driver "vboxvideo"
	    VendorName "InnoTek Systemberatung GmbH"
	    BoardName "VirtualBox Graphics Adapter"
	    BusID "PCI:0:2:0"
    EndSection</programlisting>

	  <para>To use the <literal>vboxmouse</literal> driver, adjust
	    the mouse section in
	    <filename>/etc/X11/xorg.conf</filename>:</para>

	  <programlisting>Section "InputDevice"
	    Identifier "Mouse0"
	    Driver "vboxmouse"
    EndSection</programlisting>

	  <para><acronym>HAL</acronym> users should create the
	    following
	    <filename>/usr/local/etc/hal/fdi/policy/90-vboxguest.fdi</filename>
	    or copy it from
	    <filename>/usr/local/share/hal/fdi/policy/10osvendor/90-vboxguest.fdi</filename>:</para>

	  <programlisting>&lt;?xml version="1.0" encoding="utf-8"?&gt;
    &lt;!--
# Sun VirtualBox
# Hal driver description for the vboxmouse driver
# $Id: chapter.xml,v 1.33 2012-03-17 04:53:52 eadler Exp $

	    Copyright (C) 2008-2009 Sun Microsystems, Inc.

	    This file is part of VirtualBox Open Source Edition (OSE, as
	    available from http://www.virtualbox.org. This file is free software;
	    you can redistribute it and/or modify it under the terms of the GNU
	    General Public License (GPL) as published by the Free Software
	    Foundation, in version 2 as it comes in the "COPYING" file of the
	    VirtualBox OSE distribution. VirtualBox OSE is distributed in the
	    hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.

	    Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
	    Clara, CA 95054 USA or visit http://www.sun.com if you need
	    additional information or have any questions.
    --&gt;
    &lt;deviceinfo version="0.2"&gt;
      &lt;device&gt;
	&lt;match key="info.subsystem" string="pci"&gt;
	  &lt;match key="info.product" string="VirtualBox guest Service"&gt;
	    &lt;append key="info.capabilities" type="strlist"&gt;input&lt;/append&gt;
	    &lt;append key="info.capabilities" type="strlist"&gt;input.mouse&lt;/append&gt;
	    &lt;merge key="input.x11_driver" type="string"&gt;vboxmouse&lt;/merge&gt;
	    &lt;merge key="input.device" type="string"&gt;/dev/vboxguest&lt;/merge&gt;
	  &lt;/match&gt;
	&lt;/match&gt;
      &lt;/device&gt;
    &lt;/deviceinfo&gt;</programlisting>
    </sect2>
  </sect1>


      requires a computer with a newer processor that supports &intel;
      Extended Page Tables (<acronym>EPT</acronym>) or &amd; Rapid
      Virtualization Indexing (<acronym>RVI</acronym>), also known as
      Nested Page Tables (<acronym>NPT</acronym>).  In addition, to
      host &linux; guests, or &os; guests with more than one vCPU,
      VMX unrestricted mode support (<acronym>UG</acronym>) is also
      required.  Most newer processors, specifically the &intel;&nbsp;
      &core; i3/i5/i7 and &intel;&nbsp;&xeon; E3/E5/E7 support these
      features.  <acronym>UG</acronym> support was introduced with the
      Westmere micro-architecture.  For a complete list of &intel;
      processors that support <acronym>EPT</acronym>, refer to <link
      xlink:href="http://ark.intel.com/search/advanced?s=t&amp;ExtendedPageTables=true">http://ark.intel.com/search/advanced?s=t&amp;ExtendedPageTables=true</link>.
      <acronym>RVI</acronym> is found on the Third generation and
      later of the &amd.opteron; (Barcelona) processors.  The easiest
      way to check for support of <acronym>EPT</acronym>,
      <acronym>RVI</acronym>, or <acronym>UG</acronym> is to look for
      the <literal>POPCNT</literal> processor feature flag on the
      <literal>Features2</literal> line and <literal>EPT</literal> and
      <literal>UG</literal> on the <literal>VT-x</literal> line in
      command>dmesg</command> or
      <filename>/var/run/dmesg.boot</filename>.</para>

    <sect2 xml:id="virtualization-bhyve-prep">

      <screen>&prompt.root; <userinput>bhyvectl --destroy --vm=<replaceable>linuxguest</replaceable></userinput></screen>
    </sect2>


    <sect2 xml:id="virtualization-bhyve-zfs">
      <title>Using ZFS with Bhyve Guests</title>

      <para>If the host machine is running on ZFS, using ZFS volumes
	instead of disk image files may provide significant
	performance benefits for the bhyve guest VMs.  A ZFS volume
	can be created by:</para>

      <screen>&prompt.root; <userinput>zfs create -V16G -o volmode=dev zroot/vdisk0 </screen></userinput> </screen>

      <para>Once created, the ZFS volume can be specified as the disk
	drive when invoking bhyve to start the guest vm:</para>

      <screen>&prompt.root; <userinput>bhyve -AI -H -P -s 0:0,hostbridge -s 1:0,lpc -s 2:0,virtio-net,tap1 -s3:0,ahci-hd,/dev/zroot/vdisk0 \
	-l com1,stdio -c <replaceable>4</replaceable> -m <replaceable>1024M</replaceable> <replaceable>linuxguest</replaceable></userinput></screen>
    </sect2>

    <sect2 xml:id="virtualization-bhyve-nmdm">
      <title>Virtual Machine Consoles</title>


	(<filename>/dev/nmdm1A</filename> and
	<filename>/dev/nmdm1B</filename>).  See &man.nmdm.4; for more
	information.</para>
      <para>The example below shows how to boot the &linux; guest
	created above with the console redirected to the null modem.
	&os; guests can be configured similarly.</para>

      <screen>&prompt.root; <userinput>kldload nmdm</userinput>
&prompt.root; <userinput>bhyve -AI -H -P -s 0:0,hostbridge -s 1:0,lpc -s 2:0,virtio-net,tap1 -s 3:0,virtio-blk,./linux.img \

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