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	<title>Thijs Lensselink&#039;s Blog &#187; DualHead</title>
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		<title>Ubuntu 8.10 NVidia driver trickery</title>
		<link>http://lenss.nl/2008/11/ubuntu-810-nvidia-driver-trickery/</link>
		<comments>http://lenss.nl/2008/11/ubuntu-810-nvidia-driver-trickery/#comments</comments>
		<pubDate>Mon, 17 Nov 2008 08:42:29 +0000</pubDate>
		<dc:creator>Thijs Lensselink</dc:creator>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[DualHead]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[Ubuntu.nvidia]]></category>

		<guid isPermaLink="false">http://lenss.nl/?p=169</guid>
		<description><![CDATA[I was up early last Sunday. just couldn&#8217;t sleep anymore. So i decided to do a fresh OS install on my main workstation. One or two weeks ago i updated my Ubuntu 8.04 to the latest 8.10 Interpid. This went without real big problems. And the system was running stable. Besides at the office i [...]]]></description>
			<content:encoded><![CDATA[<p>I was up early last Sunday. just couldn&#8217;t sleep anymore. So i decided to do a fresh OS install on my main workstation. One or two weeks ago i updated my Ubuntu 8.04 to the latest 8.10 Interpid. This went without real big problems. And the system was running stable. Besides at the office i did some clean installs of Ubuntu 8.10. And there were no real problems to name.</p>
<p>So i thought what the hell. Let&#8217;s do a clean install here at home also. I created a backup of my important files. and downloaded the new .iso image (couldn&#8217;t find the previous downloaded one). And started of the install. It was nice weather and i thought if i finish this fast. I can go and enjoy a nice Sunday.</p>
<p>The install went without problems. And after rebooting it booted up fine. First thing i did was run an update through synaptic. Installed the new kernel and a whole lot of other packages. Did a reboot. And everything was still fine and dandy. Now it was time to install the Nvidia driver. I used the Restricted Hardware manager in Ubuntu to select the NVidia 177 driver. Which did the job before the install. And rebooted the machine after the install was complete.</p>
<p>When it booted backup. I was surprised to see a tty screen. and not the GDM i expected :). The error message on the screen stated no screens found. So i logged in and checked the xorg.conf file. Which had a pretty default setup. So i thought running nvidia-xconfig would solve the problem. This generated the same xorg.conf. After rebooting a few times and trying to change the xorg.conf file. I was getting a bit frustrated.</p>
<p>In my hurry i by accident removed my backup partition. So i was getting more frustrated every minute. I do have to say i have a dual Head system. With two PCI-e video cards. And for some strange reason nvidia-xconfig didn&#8217;t find the correct hardware. And running nvidia-settings from command line is not possible. So i was stuck. Removing the nvidia-glx driver and the rest of the nvidia-177 files. Got me back in X. Running a very low resolution.</p>
<p>Googling revealed i was not the only one with this problem. But there were no real solutions. At least none that worked on my system. So i decided to reinstall Ubuntu 8.04. Updated the whole damn system. Installed the nvidia-glx-new driver. And got everything to work. After this i did a distupdate to 8.10. And everything kept working. This was weird. I was happy the system is up and running again. But i wasn&#8217;t satisfied.</p>
<p>I made a backup of my xorg.conf file. And again did a complete new install of Ubuntu 8.10. After the install i updated to the new kernel. And after a reboot installed the nvidia-177 driver. But this time before i rebooted i copied my old xorg.conf file over the one generated by nvidia-xconfig. Rebooted the machine. Everything worked.</p>
<p>Conclusion. nvidia-xconfig doesn&#8217;t create a correct xorg.conf file. I got two different errors from the nvidia driver at boot up. One saying &#8220;no screens found&#8217; The other one saying &#8220;Device is not PCI&#8221; or something like that.</p>
<p>I&#8217;ll add my xorg.conf file here. Maybe it&#8217;s of any use</p>
<blockquote><p>
# nvidia-settings: X configuration file generated by nvidia-settings<br />
# nvidia-settings:  version 1.0  (buildd@vernadsky)  Thu Jun  5 09:26:53 UTC 2008</p>
<p># xorg.conf (X.Org X Window System server configuration file)<br />
#<br />
# This file was generated by dexconf, the Debian X Configuration tool, using<br />
# values from the debconf database.<br />
#<br />
# Edit this file with caution, and see the xorg.conf manual page.<br />
# (Type &#8220;man xorg.conf&#8221; at the shell prompt.)<br />
#<br />
# This file is automatically updated on xserver-xorg package upgrades *only*<br />
# if it has not been modified since the last upgrade of the xserver-xorg<br />
# package.<br />
#<br />
# If you have edited this file but would like it to be automatically updated<br />
# again, run the following command:<br />
#   sudo dpkg-reconfigure -phigh xserver-xorg</p>
<p>Section &#8220;ServerLayout&#8221;<br />
    Identifier     &#8220;Default Layout&#8221;<br />
    Screen      0  &#8220;Screen0&#8243; 0 0<br />
EndSection</p>
<p>Section &#8220;Module&#8221;<br />
    Load           &#8220;glx&#8221;<br />
EndSection</p>
<p>Section &#8220;ServerFlags&#8221;<br />
    Option         &#8220;Xinerama&#8221; &#8220;0&#8243;<br />
EndSection</p>
<p># commented out by update-manager, HAL is now used<br />
#Section &#8220;InputDevice&#8221;<br />
#    Identifier     &#8220;Generic Keyboard&#8221;<br />
#    Driver         &#8220;kbd&#8221;<br />
#    Option         &#8220;XkbRules&#8221; &#8220;xorg&#8221;<br />
#    Option         &#8220;XkbModel&#8221; &#8220;pc105&#8243;<br />
#    Option         &#8220;XkbLayout&#8221; &#8220;us&#8221;<br />
#EndSection</p>
<p># commented out by update-manager, HAL is now used<br />
#Section &#8220;InputDevice&#8221;<br />
#    Identifier     &#8220;Configured Mouse&#8221;<br />
#    Driver         &#8220;mouse&#8221;<br />
#    Option         &#8220;CorePointer&#8221;<br />
#EndSection</p>
<p>Section &#8220;Monitor&#8221;<br />
    Identifier     &#8220;Configured Monitor&#8221;<br />
EndSection</p>
<p>Section &#8220;Monitor&#8221;<br />
    Identifier     &#8220;Monitor0&#8243;<br />
    VendorName     &#8220;Unknown&#8221;<br />
    ModelName      &#8220;Iiyama PL2201W&#8221;<br />
    HorizSync       30.0 &#8211; 80.0<br />
    VertRefresh     55.0 &#8211; 75.0<br />
EndSection</p>
<p>Section &#8220;Device&#8221;<br />
    Identifier     &#8220;Configured Video Device&#8221;<br />
    Driver         &#8220;nvidia&#8221;<br />
    Option         &#8220;NoLogo&#8221; &#8220;True&#8221;<br />
EndSection</p>
<p>Section &#8220;Device&#8221;<br />
    Identifier     &#8220;Videocard0&#8243;<br />
    Driver         &#8220;nvidia&#8221;<br />
    VendorName     &#8220;NVIDIA Corporation&#8221;<br />
    BoardName      &#8220;GeForce 8600 GT&#8221;<br />
    BusID          &#8220;PCI:1:0:0&#8243;<br />
EndSection</p>
<p>Section &#8220;Screen&#8221;<br />
    Identifier     &#8220;Default Screen&#8221;<br />
    Device         &#8220;Configured Video Device&#8221;<br />
    Monitor        &#8220;Configured Monitor&#8221;<br />
    DefaultDepth    24<br />
EndSection</p>
<p>Section &#8220;Screen&#8221;<br />
    Identifier     &#8220;Screen0&#8243;<br />
    Device         &#8220;Videocard0&#8243;<br />
    Monitor        &#8220;Monitor0&#8243;<br />
    DefaultDepth    24<br />
    Option         &#8220;TwinView&#8221; &#8220;1&#8243;<br />
    Option         &#8220;TwinViewXineramaInfoOrder&#8221; &#8220;DFP-0&#8243;<br />
    Option         &#8220;metamodes&#8221; &#8220;DFP-0: nvidia-auto-select +0+0, DFP-1: nvidia-auto-select +1680+0&#8243;<br />
EndSection
</p></blockquote>
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