Карточка Radeon 9600.В lenny всё было нормально.
glxinfo: http://pastebin.ca/1535971
xorg.conf: http://pastebin.ca/1535972
uname -a
Linux debian 2.6.30-1-686 #1 SMP Sat Aug 15 19:11:58 UTC 2009 i686 GNU/Linux
dpkg -l | grep mesa
ii libgl1-mesa-dev 7.5-3 A free implementation of the OpenGL API -- G
ii libgl1-mesa-dri 7.5-3 A free implementation of the OpenGL API -- D
ii libgl1-mesa-glx 7.5-3 A free implementation of the OpenGL API -- G
ii libglu1-mesa 7.5-3 The OpenGL utility library (GLU)
ii libglu1-mesa-dev 7.5-3 The OpenGL utility library -- development fi
ii mesa-common-dev 7.5-3 Developer documentation for Mesa
ii mesa-utils 7.5-3 Miscellaneous Mesa GL utilities
dpkg -l | grep radeon
ii radeontool 1.5-5 utility to control ATI Radeon backlight func
ii xserver-xorg-video-radeon 1:6.12.2-3 X.Org X server -- ATI Radeon display driver
ii xserver-xorg-video-radeonhd 1.2.5-1 X.Org X server -- AMD/ATI r5xx, r6xx display