求助：ubuntu11.10下触摸板失效

这样算是成功还是失败……别人都上千……而且高清直接无解，能告诉我还有哪里需要配置么

maria@localhost:~$ fgl_glxgears
Using GLX_SGIX_pbuffer
1133 frames in 5.0 seconds = 226.600 FPS
1461 frames in 5.0 seconds = 292.200 FPS
1444 frames in 5.0 seconds = 288.800 FPS
1442 frames in 5.0 seconds = 288.400 FPS
1431 frames in 5.0 seconds = 286.200 FPS
maria@localhost:~$ fglrxinfo
display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: ATI Mobility Radeon HD 4500 Series
OpenGL version string: 3.3.11005 Compatibility Profile Context