[whk1992]

Well... it says yes!
So does 3D driver cause the problem I can't use effects?

whk1992@whk1992-desktop:~$ glxinfo
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.2
server glx extensions:
    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_OML_swap_method, 
    GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGIS_multisample, 
    GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group
client glx vendor string: SGI
client glx version string: 1.4

...........

I used Device Manager to check which driver does my video chip use, it says vt8623fb, is that openchrome?

I went to VIA Linux Portal also, but can't find CLE266+VT8235!