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Thread: Cant get the radeon driver to work at all on Kubuntu 8.10

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  1. #1
    Join Date
    Jan 2009
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    Default Cant get the radeon driver to work at all on Kubuntu 8.10

    Hello, i just installed a fresh Kubuntu distro on ly laptop, and neither the installer nor the actual X server are able to get my GPU to work properly, my card is a:

    01:00.0 VGA compatible controller: ATI Technologies Inc M9+ 5C61 [Radeon Mobility 9200 (AGP)] (rev 01)

    Currently i can only log in with the generic 'vesa' driver with a meager 800x600 resolution; when i just try to change the driver in my xorg.conf file and start up the X server all i get is a black screen that wont even allow me to fall back to a console and i must hard boot, so no way of cheching the logs either.

    Im thinking maybe this is a problem with the default Ubuntu Kernel? I had this working just fine on my in-house compiled vanilla kernel before a crash forced me to format.

    Trying to update to the PPA's xorg video drivers has not helped either.


    Any help will be appreciated

  2. #2
    Join Date
    Dec 2007
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    Default

    Sounds like it might be AGP related. Try adding:
    Option "AGPMode" "1"
    to the device section of your config. If that doesn't work, try disabling the DRI:
    Option "DRI" "False"

  3. #3
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    Jan 2009
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    Quote Originally Posted by agd5f View Post
    If that doesn't work, try disabling the DRI:
    Option "DRI" "False"
    Thanks! This helped me.

    I can now log in with full resolution, but I wonder why is DRI not working? It was fine a couple of weeks ago; does this mean the hardware is no longer fully supported for DRI and therefore no more Compiz?

  4. #4
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    Quote Originally Posted by havok1977 View Post
    Thanks! This helped me.

    I can now log in with full resolution, but I wonder why is DRI not working? It was fine a couple of weeks ago; does this mean the hardware is no longer fully supported for DRI and therefore no more Compiz?
    The DRI should still work fine. As I said, try AGP options:
    Option "AGPMode" "X"
    Where X = 1 or 2 or 4 or 8.

  5. #5
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    Jan 2009
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    Quote Originally Posted by agd5f View Post
    The DRI should still work fine. As I said, try AGP options:
    Option "AGPMode" "X"
    Where X = 1 or 2 or 4 or 8.
    Thanks again,

    I wasn't aware that this parameter could go as high as 8 (1, 2 and 4 were a no go); so 8 was what finally got things working for me.

    Cheers!

    And in case anyone has the same hardware; I can only get desktop effects to work when i configure xorg's DefaultDepth parameter at 16 bits; with 24 it just wont work...

  6. #6
    Join Date
    Dec 2007
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    Can you pastebin the output of lspci -vn and your xorg log so I can add a quirk for your card/motherboard combo so you don't have to add this option in the future?

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