Xorg working (finally)

On the last Free Linux Help Line show both I and another caller had an issue with getting an older model ATI card (ATI Technologies Inc Radeon RV250 [Mobility FireGL 9000] in my case) to work with recent releases of the distros we like to use. I was able to find someone who was able to point me in the right direction to get it working though. Basically you have to set:

Option      "AGPMode" "1"

in the Device section of your xorg.conf. Once you have that then you can safely set the driver to be “ati”. I have tested this on both Debian Lenny and Ubuntu 8.04.2 LTS. Note that this will really only work after the you get Linux installed on the system. In my case I used the alternate CD for Ubuntu to get it going.

More information can be found on the following pages:

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  1. #1 by Tormod Volden on March 21, 2009 - 4:22 am

    Please file a bug ASAP if this has not been fixed in Jaunty. We have a quirk system to set AGPMode for the hardware that needs it. https://wiki.ubuntu.com/X/Quirks#ATI%20AGP%20Mode%20Quirk

  2. #2 by Tormod Volden on March 21, 2009 - 4:24 am

    Please file a bug ASAP if this has not been fixed in Jaunty. We have a quirk system to set AGPMode for the hardware that needs it. https://wiki.ubuntu.com/X/Quirks#ATI%20AGP%20Mode%20Quirk

    apport-cli -f -p xserver-xorg-video-ati

  3. #3 by Tormod Volden on March 22, 2009 - 4:27 pm

    Please file a bug!

  4. #4 by Bryce Harrington on March 23, 2009 - 1:58 am

    Note that the AGPMode settings for these old AGP cards are highly hardware specific – for a given (discrete) card the optimal value can vary from one motherboard to the next. So a value of 1 may work for one computer, but take the same card and plug it into another, and you may need a value of 2, 4, or 8.

    For more info see the AGPMode quirk section on
    https://wiki.ubuntu.com/X/Quirks

  5. #5 by etank on March 23, 2009 - 7:09 am

    @Tormond,

    There are already a few bugs reported for this.

    https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/296617
    https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/214105

    If needed I can attach the information for my system too but I will be running 8.04 LTS on this box so I will not be able to test it with Jaunty.

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