Ubuntu Edgy Installation Guide

2006-12-22T00:38:40Z

211.28.207.170: /* Complete Installation */ Corrected how to restart the X server. CAD restarts the computer not the x server.

The latest fglrx driver supports Radeon 9500+ and the X-series cards up to X1900.
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==Pre-Installation Checks==
=== Enable "restricted" Repository ===
Make sure the ''restricted'' repository is enabled in ''/etc/apt/sources.list'' or this guide will not work!

=== Disable Composite Extension ===
In Ubuntu Edgy the Composite extension is enabled by default, however, ''fglrx'' does not yet support Composite with DRI. In order to disable Composite you have to edit the ''xorg.conf'' file:
<pre>sudo gedit /etc/X11/xorg.conf</pre>
and add these lines at the end of the file:
{{Box File|/etc/X11/xorg.conf|
<pre>Section "Extensions"
Option "Composite" "Disable"
EndSection</pre>
}}
*Note: Xubuntu does not have gedit. Xubuntu's text editor is called mousepad.

== Installation ==
===Install the Driver===
<pre>
sudo apt-get update
sudo apt-get install linux-restricted-modules-$(uname -r) #Okay if it is already installed
sudo apt-get install xorg-driver-fglrx
sudo depmod -a
</pre>
===Configure the Driver===
<pre>
sudo aticonfig --initial
sudo aticonfig --overlay-type=Xv
</pre>
*Note: An '''alternative''' to the '''aticonfig --initial''' command is to edit ''/etc/X11/xorg.conf'' and replace the string "ati" with "fglrx" in the "Device" section. This way you won't lose your old "Screen" and "Monitor" settings. Afterwards you can use aticonfig for setting overlay etc.
<pre>
sudo aticonfig --overlay-type=Xv
</pre>
===Complete Installation===
Now Reboot your system:
<pre>
sudo shutdown -r now
</pre>
*Note: An '''alternative''' to rebooting is to restart the X Server by pressing your CTRL+ALT+BACKSPACE keys. You must remove any old kernel modules such as "drm" "radeon" or "fglrx".

== Post-Installation Checks ==
===Verifying===
Run the following command to check its output to insure the fglrx driver is installed properly:
<pre>
$fglrxinfo
display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: RADEON 9600 Generic
OpenGL version string: 2.0.6011 (8.28.8)
</pre>

==Ubuntu-specific Issues==

=== Revert to Xorg driver ===

If (for any reason) the fglrx install fails, you can revert to the Xorg driver by executing
<pre>sudo dpkg-reconfigure xserver-xorg</pre>
and selecting the "ati" driver, or simply restoring the previous /etc/X11/xorg.conf file, if you made a backup.

You also need to remove the xorg-driver-fglrx or your manually installed drivers to get the 3D acceleration back, since it is provided by file /usr/lib/libGL.so.1.2 which belongs to libgl1-mesa package and which is moved to backup and replaced at the installation of xorg-driver-fglrx (or the manually built) package. In case the removal of the fglrx drivers fails to restore the file from libgl1-mesa, you have to reinstall the package by running:

<pre>sudo apt-get install --reinstall libgl1-mesa</pre>

==See Also==
*[[Frequently Asked Questions]]
*[[Performance Issues]]
*[[Verifying|Verifying Installation]]
*[[Troubleshooting|Troubleshooting Installation]]

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Ubuntu Edgy Installation Guide