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Thread: Where's mah UXA?

  1. #1
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    Where's mah UXA?

    According to Bryce and the Ubuntu-X team, UXA will not (as of this moment) be enabled in Jaunty by default due to reports of instability.

    To enable it, you'll need to add a small entry in your xorg.conf Device section under the identifier.

    Code:
        Option "AccelMethod" "UXA"
    If you have enabled UXA, the team could really use your testimonials on performance and reports of any bugs you encounter. You can contact them in numerous ways with your reports:

    Ubuntu-X mailing list
    Ubuntu-X on IRC
    Launchpad

    Note: It doesn't matter if you are using the official packaged Intel driver (2.6.0) or the newer xorg-edgers PPA driver from Tormod Volden (2.6.99).
    Last edited by Starks; February 3rd, 2009 at 04:28 PM.

  2. #2
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    Re: Where's mah UXA?

    I have an intel 945 gm running intel driver 2.6.99 and until I enabled uxa my framerates were terrible, everything was jerky. Now all is well.

  3. #3
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    Re: Where's mah UXA?

    Same here.

    945GM.

    Everything is golden except atmosphere mode on Google Earth.

  4. #4
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    Re: Where's mah UXA?

    I have installed intrepid and jaunty on the same machine (hp nx7400). it's a notebook with a intel 945gm video adapter. subjective video performance with intrepid (kde 4.2, kwin with desktop effects) is very good while the performance in jaunty (same desktop config) is very poor.

  5. #5
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    Re: Where's mah UXA?

    UXA is available only for intel or for radeon too?

  6. #6
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    Ubuntu Jaunty Jackalope (testing)

    Re: Where's mah UXA?

    Quote Originally Posted by biasquez View Post
    UXA is available only for intel or for radeon too?
    Only for Intel; radeon should either (a) get good performance with EXA, or (b) be too new to get any open-source acceleration at all.

    The plan is apparently to merge some of the UXA work back into EXA, but some is going to be Intel specific. There's quite a big difference between cards with no onboard VRAM (ie: Intel) and those with onboard VRAM .
    Remember: if your problem is not described on a Launchpad bug, it can only be fixed by accident!

  7. #7
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    Re: Where's mah UXA?

    thanks for info!!!

  8. #8
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    Re: Where's mah UXA?

    There is one further problem with the new X stack in jaunty (using intel 2.6.x driver):
    Neither I can play starcraft in wine nor Professor Fizzwizzle in native mode. In both cases the apps start fine (no error message, sound indicate that the games run), but the monitor "greys" out.
    Doesn't matter if I use exa or uxa.

    Can anyone reproduce this?

  9. #9
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    Re: Where's mah UXA?

    Hi guys,

    We're looking for feedback on UXA, please see this page and follow the directions, thanks!

    https://wiki.ubuntu.com/X/UxaTesting

  10. #10
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    Re: Where's mah UXA?

    Better and have using it for a week.

    00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)

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