i use debian sid with kernel 2.6.17. my problem is that i cannot enable 3d acceleration after installing the latest ati driver. in order to install the driver i did the follow: #sudo apt-get install module-assistant build-essential fakeroot dh-make debconf #sudo sh ./ati-driver-installer-8.24.8-i386.run --buildpkg Debian/sid #sudo dpkg -i fglrx-control-qt3_8.27.10-1_i386.deb #sudo dpkg -i fglrx-kernel-src_8.27.10-1_i386.deb #sudo dpkg -i fglrx-driver-dev_8.27.10-1_i386.deb #sudo apt-get -f upgrade #sudo module-assistant prepare #sudo module-assistant update #sudo module-assistant a-i fglrx and i changed my xorg.conf file..... # /etc/X11/xorg.conf (xorg X Window System server configuration file) # # This file was generated by dexconf, the Debian X Configuration tool, using # values from the debconf database. # # Edit this file with caution, and see the /etc/X11/xorg.conf manual page. # (Type "man /etc/X11/xorg.conf" at the shell prompt.) # # This file is automatically updated on xserver-xorg package upgrades *only* # if it has not been modified since the last upgrade of the xserver-xorg # package. # # If you have edited this file but would like it to be automatically updated # again, run the following command: # sudo dpkg-reconfigure -phigh xserver-xorg Section "Files" FontPath "/usr/share/fonts/X11/misc" FontPath "/usr/X11R6/lib/X11/fonts/misc" FontPath "/usr/share/fonts/X11/cyrillic" FontPath "/usr/X11R6/lib/X11/fonts/cyrillic" FontPath "/usr/share/fonts/X11/100dpi/:unscaled" FontPath "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled" FontPath "/usr/share/fonts/X11/75dpi/:unscaled" FontPath "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled" FontPath "/usr/share/fonts/X11/Type1" FontPath "/usr/X11R6/lib/X11/fonts/Type1" FontPath "/usr/share/fonts/X11/100dpi" FontPath "/usr/X11R6/lib/X11/fonts/100dpi" FontPath "/usr/share/fonts/X11/75dpi" FontPath "/usr/X11R6/lib/X11/fonts/75dpi" FontPath "/usr/X11R6/lib/X11/fonts/msfonts" # path to defoma fonts FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" EndSection Section "Module" Load "i2c" Load "bitmap" Load "ddc" Load "dri" Load "extmod" Load "freetype" Load "glx" Load "int10" Load "type1" Load "vbe" EndSection Section "InputDevice" Identifier "Generic Keyboard" Driver "kbd" Option "CoreKeyboard" Option "XkbRules" "xorg" Option "XkbModel" "pc104" Option "XkbLayout" "us" EndSection Section "InputDevice" Identifier "Configured Mouse" Driver "mouse" Option "CorePointer" Option "Device" "/dev/input/mice" Option "Protocol" "ExplorerPS/2" Option "Emulate3Buttons" "true" EndSection Section "Device" Identifier "Generic Video Card" Driver "fglrx" BusID "PCI:1:0:0" # If X refuses to use the screen resolution you asked for, # uncomment this; see "Bugs and Workarounds" for details. #Option "NoDDC" # === Video Overlay for the Xv extension === Option "VideoOverlay" "on" # === OpenGL Overlay === # Note: When OpenGL Overlay is enabled, Video Overlay # will be disabled automatically Option "OpenGLOverlay" "off" # === Use internal AGP GART support? === # If OpenGL acceleration doesn't work, try using "yes" here # and disable the kernel agpgart driver. Option "UseInternalAGPGART" "yes" Option "AGPMask" "0x00000016" EndSection Section "Monitor" Identifier "Generic Monitor" Option "DPMS" HorizSync 30-72 VertRefresh 50-160 EndSection Section "Screen" Identifier "Default Screen" Device "Generic Video Card" Monitor "Generic Monitor" DefaultDepth 24 SubSection "Display" Depth 1 Modes "1024x768" EndSubSection SubSection "Display" Depth 4 Modes "1024x768" EndSubSection SubSection "Display" Depth 8 Modes "1024x768" EndSubSection SubSection "Display" Depth 15 Modes "1024x768" EndSubSection SubSection "Display" Depth 16 Modes "1024x768" EndSubSection SubSection "Display" Depth 24 Modes "1024x768" EndSubSection EndSection Section "ServerLayout" Identifier "Default Layout" Screen "Default Screen" InputDevice "Generic Keyboard" InputDevice "Configured Mouse" EndSection Section "DRI" Mode 0666 EndSection in Option "UseInternalAGPGART" "yes" i also tried no without any result i also tried the following: # mkdir -p /usr/X11R6/lib/modules/dri # ln -s /usr/lib/dri/fglrx_dri.so /usr/X11R6/lib/modules/dri without any result. a fter that i tried: # rm /usr/lib/libGL.so* # rm /usr/X11R6/lib/libGL.so* # cd /usr/X11R6/lib # cp /usr/lib/fglrx/diversions/libGL.so.1.2 . # ln -s libGL.so.1.2 libGL.so.1 # ldconfig the output of fglrxinfo remains: mikes@debianland:~$ sudo fglrxinfo display: :0.0 screen: 0 OpenGL vendor string: Mesa project: www.mesa3d.org OpenGL renderer string: Mesa GLX Indirect OpenGL version string: 1.2 (1.5 Mesa 6.4.2) ANY SUGGESTION??????