VLC and hardware acceleration ?

Hello !
I have a problem with VLC and hardware acceleration. I have installed the VDPAU package, and enabled GPU in VLC preference. At this point, when I try to play a h264 video, VLC crashes with the following output :
m_el[mi_level] == NULL
arrrrrrrrrrrrrg Up cannot escape itself
m_el[mi_level] == NULL
arrrrrrrrrrrrrg Up cannot escape itself
libva: libva version 0.31.1
Xlib: extension "XFree86-DRI" missing on display ":0.0".
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/dri/nvidia_drv_video.so
vlc: vdpau_driver.c:233: vdpau_do_Initialize: Assertion `vdp_status == VDP_STATUS_OK' failed.
Aborted
I don't know what to do to fix it. My GPU is Nvidia 8800GTX. I anyone can help me, thanks !

Here is vainfo output, thank you :
[vince@areca ~]$ vainfo
libva: libva version 0.31.1
Xlib: extension "XFree86-DRI" missing on display ":0.0".
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/dri/nvidia_drv_video.so
vainfo: vdpau_driver.c:233: vdpau_do_Initialize: Assertion `vdp_status == VDP_STATUS_OK' failed.
Aborted
[vince@areca ~]$

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VLC and hardware acceleration ?

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