| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="guestxorgsetup">
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| 4 | <title>Guest Graphics and Mouse Driver Setup in Depth</title>
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| 5 |
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| 6 | <body>
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| 7 | <p>
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| 8 | This section assumes that you are familiar with configuring the
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| 9 | X.Org server using xorg.conf and optionally the newer mechanisms
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| 10 | using hal or udev and xorg.conf.d. If not you can learn about
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| 11 | them by studying the documentation which comes with X.Org.
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| 12 | </p>
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| 13 | <p>
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| 14 | The <ph conkeyref="vbox-conkeyref-phrases/product-name"/> Guest Additions includes drivers for X.Org.
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| 15 | By default these drivers are in the following directory:
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| 16 | </p>
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| 17 | <p>
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| 18 | <filepath>/opt/VBoxGuestAdditions-<varname>version</varname>/other/</filepath>
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| 19 | </p>
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| 20 | <p>
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| 21 | The correct versions for the X server are symbolically linked
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| 22 | into the X.Org driver directories.
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| 23 | </p>
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| 24 | <p>
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| 25 | For graphics integration to work correctly, the X server must
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| 26 | load the <codeph>vboxvideo</codeph> driver. Many recent X
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| 27 | server versions look for it automatically if they see that they
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| 28 | are running in <ph conkeyref="vbox-conkeyref-phrases/product-name"/>. For an optimal user experience,
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| 29 | the guest kernel drivers must be loaded and the Guest Additions
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| 30 | tool <userinput>VBoxClient</userinput> must be running as a client
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| 31 | in the X session.
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| 32 | </p>
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| 33 | <p>
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| 34 | For mouse integration to work correctly, the guest kernel
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| 35 | drivers must be loaded. In addition, for legacy X servers the
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| 36 | correct <codeph>vboxmouse</codeph> driver must be loaded and
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| 37 | associated with <filepath>/dev/mouse</filepath> or
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| 38 | <filepath>/dev/psaux</filepath>. For most guests, a driver for a
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| 39 | PS/2 mouse must be loaded and the correct vboxmouse driver must
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| 40 | be associated with <filepath>/dev/vboxguest</filepath>.
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| 41 | </p>
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| 42 | <p>
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| 43 | The <ph conkeyref="vbox-conkeyref-phrases/product-name"/> guest graphics driver can use any graphics
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| 44 | configuration for which the virtual resolution fits into the
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| 45 | virtual video memory allocated to the virtual machine, minus a
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| 46 | small amount used by the guest driver, as described in
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| 47 | <xref href="settings-display.dita">Display Settings</xref>. The driver will offer a
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| 48 | range of standard modes at least up to the default guest
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| 49 | resolution for all active guest monitors. The default mode can
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| 50 | be changed by setting the output property VBOX_MODE to
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| 51 | "<width>x<height>" for any guest monitor. When
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| 52 | VBoxClient and the kernel drivers are active this is done
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| 53 | automatically when the host requests a mode change. The driver
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| 54 | for older versions can only receive new modes by querying the
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| 55 | host for requests at regular intervals.
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| 56 | </p>
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| 57 | <p>
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| 58 | With legacy X Servers before version 1.3, you can also add your
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| 59 | own modes to the X server configuration file. Add them to the
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| 60 | "Modes" list in the "Display" subsection of the "Screen"
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| 61 | section. For example, the following section has a custom
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| 62 | 2048x800 resolution mode added:
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| 63 | </p>
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| 64 | <pre xml:space="preserve">Section "Screen"
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| 65 | Identifier "Default Screen"
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| 66 | Device "VirtualBox graphics card"
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| 67 | Monitor "Generic Monitor"
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| 68 | DefaultDepth 24
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| 69 | SubSection "Display"
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| 70 | Depth 24
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| 71 | Modes "2048x800" "800x600" "640x480"
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| 72 | EndSubSection
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| 73 | EndSection</pre>
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| 74 | </body>
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| 75 |
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| 76 | </topic>
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