Hi Werner, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on drm-tip/drm-tip linus/master v6.11 next-20240927] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Werner-Sembach/platform-x86-tuxedo-Add-virtual-LampArray-for-TUXEDO/20240927-214157 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20240927124152.139099-2-wse%40tuxedocomputers.com patch subject: [PATCH v2 1/1] platform/x86/tuxedo: Add virtual LampArray for TUXEDO config: x86_64-randconfig-161-20240928 (https://download.01.org/0day-ci/archive/20240929/202409290814.OGfHXRw7-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240929/202409290814.OGfHXRw7-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409290814.OGfHXRw7-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: wmidev_evaluate_method >>> referenced by tuxedo_nb04_wmi_util.c:26 (drivers/platform/x86/tuxedo/tuxedo_nb04_wmi_util.c:26) >>> vmlinux.o:(__wmi_method_buffer_out) -- >> ld.lld: error: undefined symbol: __wmi_driver_register >>> referenced by tuxedo_nb04_wmi_ab_init.c:86 (drivers/platform/x86/tuxedo/tuxedo_nb04_wmi_ab_init.c:86) >>> vmlinux.o:(tuxedo_nb04_wmi_ab_driver_init) -- >> ld.lld: error: undefined symbol: wmi_driver_unregister >>> referenced by tuxedo_nb04_wmi_ab_init.c:86 (drivers/platform/x86/tuxedo/tuxedo_nb04_wmi_ab_init.c:86) >>> vmlinux.o:(tuxedo_nb04_wmi_ab_driver_exit) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki