[Dapper] [X.org] Slow rendering/high CPU usage on ATI MACH 64

[José Paulo Matafome Oleiro]

On 7/3/06, JimD <Jim at keeliegirl.dyndns.org> wrote:
>
> On 07/03/2006 11:57 AM, ajkessel wrote:
> > JimD Wrote:
> >> On 07/03/2006 08:08 AM, ajkessel wrote:
> >
> >>> I recently switched an HP Omnibook 600 (Pentium III 700MHz 384M RAM
> >> ATI
> >
> >>> Mach 64) from Debian Sarge to Ubuntu Dapper.
> >
> >> <snip>
> >
> >>> Any ideas how to troubleshoot?
> >
> >> What do you get from running this:
> >
> >> glxinfo | grep "direct rendering"
> >
> >
> > Direct rendering is off ("no"). It is a PITA to get 3d accel to work
> > with the Mach 64. I've done it under Debian but it keeps breaking, and
> > that branch doesn't seem to be actively maintained.
> >
> >
> >
> > But I shouldn't need direct rendering for non-3d stuff like drawing
> > windows, should I?
>
> I have never had an ATI card so I can only give you some general hints.
>   Maybe someone else has an older ATI working and can give you better
> support.  Here is something that you can try:
>
> Make sure you have this section in /etc/X11/xorg.conf:
>
> Section "dri"
>      Mode    0666
> EndSection
>
>
> Under your "Module" section, make sure you have:
>
> Load "dri"
> Load "glx"
>
>
> Under your "Device" section, change the driver:
>
> Driver "ati"
>
>
> Before doing any of this, make a backup of /etc/X11/xorg.conf:
>
> sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf.bak
>
> After you make the changes, logout from Gnome/Kde/whatever.  Then press
> CTRL+ALT+BACKSPACE from the login screen to restart X and see what you
> get.
>
>
> Jim
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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> JimD - Central FL, USA, Earth, Sol
>
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>

You need to use the ATI driver that comes by default from X11. You can't
install the newest drivers from ATI because they are from Radeon 8500 and
newer cards.
I will search for more info to tell you.
José Paulo Matafome Oleiro aka Matafome (irc.ptnet.org at channel
#computers)
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