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Thread: Ubuntu 10.04 / Radeon HD 4890 / Very slow

  1. #1
    Join Date
    Apr 2010
    My Parents Basement

    Question Ubuntu 10.04 / Radeon HD 4890 / Very slow


    Im using a ATI Radeon HD 4890 graphics card on my Ubuntu 10.04 system. My problem is that when i'm using the "fglrx" driver no matter which version ( i tested 10.2 - 10.4 ) i have lower performance than with the opensource "radeon" driver. This causes laggs whenever i scroll in Firefox and other annoying things like that.
    Is there any solution for this?

  2. #2
    Join Date
    Jan 2010


    I'm having performance issues as well since the upgrade. If you don't have Compiz turned on, try doing so -- in my case it actually increased performance. With the exception of a few apps (mostly OpenGl-based in my case) my system is actually running quite smoothly now.

    (That's with an HD4850 and fglrx 10.4 -- still hoping the situation will improve with 10.5 though)

  3. #3
    Join Date
    May 2010
    Madrid, Spain.


    I have an HD4890, and I can't make it work with Ubuntu 10.04.

    Since I upgraged, it's fucked up.

    I tried with fglrx, and OS drivers and still nothing.

    I installed fglrx from terminal, and from drivers manager.
    Now I don't have any drivers installed, and the frame (boton layout) of the windows isn't showing, so compiz isn't working I think. I tried to activate anyway the advanced desktop effects, and I don't why/how... Ubuntu searches some drivers, and it CAN activate effects, so compiz works again. But if I go to Drivers Manager, it doesn't show any driver, and when I reboot, compiz brokes again.

    I already thought the option of changing window manager, but I like compiz, and well, I love advanced desktop effects, but everything's crappy.

    I'm considering of changing my Ubuntu to Debian, Arch Linux or another.

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