i have VDPAU installed and working fine with mplayer. yet when i issue vainfo command: vainfo libva: libva version 0.31.1 Xlib: extension "XFree86-DRI" missing on display ":0.0". libva: va_getDriverName() returns -1 vaInitialize failed with error code -1 (unknown libva error),exit and there are no errors or warnings in the messages... I install nvidia driver from manufacturer's website. Please advise Andrew