Why does Xorg use 100% of CPU power in Linux Fedora 12?

sreenivas June 10, 2010
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My Linux Fedora 12 system became very slow. Xorg uses  100% of CPU,  so that system also boots very slow. Please help!

  1. Anonymous
    October 6, 2011 at 6:20 pm

    Didn't work for me. X wouldn't even start.

  2. Guest
    June 3, 2011 at 3:15 am

    sreenivas,did you find the way?

  3. Tina
    June 21, 2010 at 6:44 am


    did Artur's suggestion fix your problem?

  4. Artur Wrona
    June 12, 2010 at 10:15 am

    Add the below option to /etc/X11/xorg.conf under the Device section.

    Option "UseEvents" "on"

    Below shows how this change will look under the Device section.

    Section "Device"
    Identifier "Videocard0"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    BoardName "GeForce FX 5200"
    Option "RenderAccel" "on"
    Option "UseEvents" "on"

    It will change the way drivers are communicating with kernel when waiting for other hardware. Usually solves problem with high CPU usage on nVidia cards, but might result in little unstable work. If your Xorg will start crashing, just delete this line.