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Old 02-12-2007, 02:40 PM   #1
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Registered: Apr 2005
Distribution: Debian/sid
Posts: 3

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Can't use module mach64 with xorg


I am trying to enable 3d acceleration on Gentoo kernel 2.6.18-gentoo-r6.

lspci gives me:
01:00.0 VGA compatible controller: ATI Technologies Inc 3D Rage Pro AGP 1X/2X (rev 5c)

and a quick research told me I should use the mach64 module to have 3d acceleration.
So I followed the how-to:

First problem, there isn't (or isn't anymore) anything like a insecure-driver use flag for xorg-x11.
I did not have any trouble to emerge x11-drm and it did build the module mach64.ko in /usr/lib/modules/<kernel-version>.

But when I try to launch X, it crashes with the following error:
(WW) Warning, couldn't open module mach64
(II) UnloadModule: "mach64"
(EE) Failed to load module "mach64" (module does not exist, 0)

I can modprobe mach64 before but it does not change anything.

X works (but without dri) if I use:

Driver "ati"

instead of:
Driver "mach64"

I haven't tried to use the cvs snapshots so far.

I only have basic knowledge of Gentoo, but have been using a Debian for several years before.

Thanks for any help.
Old 04-18-2007, 05:06 PM   #2
Registered: Mar 2007
Location: New Jersey, USA
Distribution: Archlinux
Posts: 165

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Troubleshooting page on the DRI wiki


Just yesterday I was trying to get a mach64 video card to work on SUSE 10.2, but I didn't do it right and I have to start over again, but I found a nice interesting troubleshooting page here

Anyways, the only Linux distro I ever used was SUSE, so I can't exactly help much, but I'm pretty sure you need the driver "ati" in xorg.conf.

(Yesterday, I did use the driver "ati", which allowed DRI to try and start on my xorg server, but I had version inconsistencies which caused xorg to not start.)

And then you should follow the troubleshooting, I guess...
Go poke around /var/log/Xorg.0.log and try looking for signs of trouble.
Old 08-20-2007, 08:39 PM   #3
LQ Newbie
Registered: Nov 2004
Posts: 4

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I know I have an old video card, I installed gentoo on an HP Pavillion 8260.

I have a mach64 vt chip that uses the ati driver for xorg. I'm having trouble getting it to dri. The says they don't support vt chips. I've tried to install mach64 from the git repository(anyway) and still no dri. Has anyone gotten the mach64 vt to do direct rendering?
Old 08-22-2007, 05:29 PM   #4
LQ Newbie
Registered: Nov 2004
Posts: 4

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Unhappy nevermind it can't be done

ran command: #less /var/log/Xorg.0.log | grep rendering
gave out put
(WW) ATI(0): Direct rendering is not supported for ATI chips earlier than the ATI 3D Rage....
(II) ATI(0): Direct rendering disabled
anyway glxgears gives me 67fps tops any other way to increase this?
watching youtube is like reading a comic strip...



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