mesa: b2c97bc789198427043cd902bc76e194e7e81c7d (master 17.1.0-devel)
vulkan/.libs/libvulkan-test.a(vulkan_libvulkan_common_la-anv_device.o): In function `anv_device_bo_busy':
src/intel/vulkan/anv_device.c:1337: undefined reference to `anv_gem_busy'
Patch at https://patchwork.freedesktop.org/patch/148737/
And pushed to master. Thanks for the report Vinson!