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RADEONDRIGetVersion failed to open the DRM

Error added: 2007-04-22 05:55:55

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3 answers found.

Answer 471 (0.0 % helpful)

In my case, this error (in /var/log/Xorg.0.log) indicated that I was attempting to use X.org\'s radeon driver without having loaded the kernel\'s radeon DRM driver. I also still had an old fglrx kernel DRM driver loaded. The following commands (as root) fixed this problem for me:
rmmod fglrx
modprobe radeon
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Answer 1130 (0.0 % helpful)

In my case. this error appeared while trying to use X.org\'s radeon support.

The solution was to load 2 kernel modules :
modprobe drm
modprobe radeon

and to install Mesa libraries with DRI support :
apt-get install libgl1-mesa-dri
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Answer 1263 (0.0 % helpful)

X worked, but there was no DRI, hence no OpenGL hardware acceleration.  System is KUbuntu Jaunty.

 $ glxinfo | grep -i renderer
OpenGL renderer string: Software Rasterizer

lspci shows this video card:

 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 [Mobility FireGL 9000] (rev 02)

With:

 00:01.0 PCI bridge: Intel Corporation 82855PM Processor to AGP Controller (rev 21)

And these modules are loaded:

$ lsmod | grep drm
drm                    96424  4 radeon
agpgart                42696  2 drm,intel_agp

Installing xorg-driver-fglx locked my X display irretrievably.  

Solution seemed to be to edit /etc/X11/xorg.conf, and replace 

 Driver: \"radeon\"

with

 Driver: \"ati\"

And restart.

Now:

 $ glxinfo | grep -i renderer
OpenGL renderer string: Mesa DRI R200 20060602 AGP 1x x86/MMX/SSE2 TCL


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