I confirm that this bug exists in 12.04.
vainfo libva: VA-API version 0.32.0 Xlib: extension "XFree86-DRI" missing on display ":0". libva: va_getDriverName() returns 0 libva: Trying to open /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so libva error: /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so init failed libva: va_openDriver() returns -1 vaInitialize failed with error code -1 (unknown libva error),exit Exit Status: [3]
I confirm that this bug exists in 12.04.
vainfo x86_64- linux-gnu/ dri/nvidia_ drv_video. so x86_64- linux-gnu/ dri/nvidia_ drv_video. so init failed
libva: VA-API version 0.32.0
Xlib: extension "XFree86-DRI" missing on display ":0".
libva: va_getDriverName() returns 0
libva: Trying to open /usr/lib/
libva error: /usr/lib/
libva: va_openDriver() returns -1
vaInitialize failed with error code -1 (unknown libva error),exit
Exit Status: [3]