OpenGL hangs system

[Lazarus18]

I have a Rage Fury (AGP) and near as I can figure everything is configured properly. I'm using r128 as the driver, compiled into the kernel. glxinfo shows that direct rendering is running. Yay.

But, if I run glxgears or an OpenGL screensaver the system hangs. I can ssh in from my OSX box and kill the process and all is well again. I've seen others on this board mention similar problems, but I have yet to see anyone solve it or have any insight into what's causing it. Thoughts?
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-Rob, Tired med student
Powermac G4 450 MHz (Sawtooth), 756 MB RAM, OS X.1.4
Powerbook G3 400 MHz (Pismo), 192 MB RAM, OS X.1.4, Gentoo Linux
Homebrew Athlon-xp 1800+ MHz, 512 MB DDR-RAM, GeForce 3Ti 500, Gentoo Linux, WinXP

[binkus]

I have an ATI Rage 128 Pro (AGP) and I had the same problem.
So did these guys: https://forums.gentoo.org/viewtopic.php?t=2279

Their suggestions of switching AGPMode in your XF86config (i had to switch mine to 4), and DefaultDepth in the Screen section to 16 (for me) got mine working.

Hope this helps!
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Fat people are harder to kidnap