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    #1

    Huge Xorg RAM leak

    I'm running Kubuntu 9.04 64-bit on my new laptop (Lenovo 3000 G530) which has 2 GB of RAM; right now xorg is using 612 MB. I have Kubuntu 9.04 on my desktop also (32 bit), and have not experienced this problem (though I did have to make a few edits to its xorg.conf to fix huge CPU usage by xorg/plasma on that machine).

    My xorg.conf file:

    Section "Monitor"
    Identifier "Configured Monitor"
    EndSection

    Section "Screen"
    Identifier "Default Screen"
    Monitor "Configured Monitor"
    Device "Configured Video Device"
    EndSection

    Section "Device"
    Identifier "Configured Video Device"
    EndSection

    Section "ServerFlags"
    Option "DontZap" "True"
    EndSection
    Tags: None
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    #2
    Re: Huge Xorg RAM leak

    maybe you are using the wrong video driver (and the xorg.conf looks a little empty)
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      #3
      Re: Huge Xorg RAM leak

      I checked that; /var/log/Xorg.0.log indicates that the proper video driver ('intel') is in use.

      However, additional research has revealed that Xorg caches pixmaps of open windows; certain processes (plasma and firefox to name two) aren't good at clearing these caches with the result that lots of cache can be stored as what looks like xorg. Running "xrestop" at a terminal will show what's cached in X.

      http://aseigo.blogspot.com/2009/04/p...ory-usage.html
      https://bugs.launchpad.net/ubuntu/+s...ox/+bug/137764
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