tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8d4b477da1a807199ca60e0829357ce7aa6758d5 commit: 8633ef82f101c040427b57d4df7b706261420b94 [2110/4668] drivers/firmware: consolidate EFI framebuffer setup for all arches config: riscv-nommu_k210_defconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=8633ef82f101c040427b57d4df7b706261420b94 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 8633ef82f101c040427b57d4df7b706261420b94 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Note: the linux-next/master HEAD 8d4b477da1a807199ca60e0829357ce7aa6758d5 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): riscv64-linux-ld: drivers/firmware/sysfb.o: in function `.L0 ': >> sysfb.c:(.init.text+0x8): undefined reference to `screen_info' riscv64-linux-ld: drivers/firmware/sysfb.o: in function `.L2': sysfb.c:(.init.text+0x48): undefined reference to `screen_info' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org