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