i upgraded to 14.04 and afterwards i got an issue with cpu usage when playing HD.
I checked the vainfo and this what i got back
ibva info: VA-API version 0.35.0
libva info: va_getDriverName() returns -1
libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
vaInitialize failed with error code -1 (unknown libva error),exit
I re install the driver sudo apt-get --reinstall install i965-va-driver but i steel got the same error.
Any thoghts