On Mon, Feb 08, 2016 at 04:03:05PM -0800, Hollis Blanchard wrote: > -memory_region_ops_read(void *mr, uint64_t offset, uint64_t value, unsigned size) "mr %p offset %#"PRIx64" value %#"PRIx64" size %u" > -memory_region_ops_write(void *mr, uint64_t offset, uint64_t value, unsigned size) "mr %p offset %#"PRIx64" value %#"PRIx64" size %u" > +memory_region_ops_read(void *mr, uint64_t addr, uint64_t value, unsigned size) "mr %p offset %#"PRIx64" value %#"PRIx64" size %u" > +memory_region_ops_write(void *mr, uint64_t addr, uint64_t value, unsigned size) "mr %p offset %#"PRIx64" value %#"PRIx64" size %u" Please update the format string too ("offset" -> "addr"). Stefan