Hi, I find something strange in i915_drv.h, is this a typo? 602 #define RING_START 0x08 603 #define START_ADDR *0x0xFFFFF000* 604 #define RING_LEN 0x0C I think *0x0xFFFFF000* should be 0xFFFFF000. Correct me if I'm wrong. Jie Luo