tree: https://github.com/intel/linux-intel-lts.git 5.10/preempt-rt head: e26ab22c63212fce82e8cfaa481936c1afdb0f31 commit: 12182849145da0f4aae71431f33acb9e2008625e [13577/19290] drm: Avoid circular dependencies for CONFIG_FB config: riscv-randconfig-r024-20211208 (https://download.01.org/0day-ci/archive/20211209/202112092307.zfm0XU5p-lk...) compiler: riscv64-linux-gcc (GCC) 11.2.0 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://github.com/intel/linux-intel-lts/commit/12182849145da0f4aae71431f... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.10/preempt-rt git checkout 12182849145da0f4aae71431f33acb9e2008625e # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 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 <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend': drm_fb_helper.c:(.text+0x534): undefined reference to `fb_set_suspend' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker': drm_fb_helper.c:(.text+0x594): undefined reference to `fb_set_suspend' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi': drm_fb_helper.c:(.text+0x884): undefined reference to `unregister_framebuffer' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `.L92': drm_fb_helper.c:(.text+0x95c): undefined reference to `framebuffer_release' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `.L89': drm_fb_helper.c:(.text+0xad8): undefined reference to `fb_dealloc_cmap' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_read': drm_fb_helper.c:(.text+0xb5c): undefined reference to `fb_sys_read' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `__drm_fb_helper_initial_config_and_unlock': drm_fb_helper.c:(.text+0x22e0): undefined reference to `register_framebuffer' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `.L478': drm_fb_helper.c:(.text+0x2f20): undefined reference to `framebuffer_alloc' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `.L481': drm_fb_helper.c:(.text+0x2f54): undefined reference to `fb_alloc_cmap' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `.L487': drm_fb_helper.c:(.text+0x3080): undefined reference to `fb_dealloc_cmap' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend_unlocked': drm_fb_helper.c:(.text+0x31ac): undefined reference to `fb_set_suspend' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `.L616': drm_fb_helper.c:(.text+0x3e50): undefined reference to `fb_deferred_io_init' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_deferred_io': drm_fb_helper.c:(.text+0x4524): undefined reference to `fb_sys_write' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_write': drm_fb_helper.c:(.text+0x4630): undefined reference to `sys_copyarea' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_fillrect': drm_fb_helper.c:(.text+0x4700): undefined reference to `cfb_fillrect' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_copyarea': drm_fb_helper.c:(.text+0x4768): undefined reference to `cfb_copyarea' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_imageblit': drm_fb_helper.c:(.text+0x47d0): undefined reference to `cfb_imageblit' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_fillrect': drm_fb_helper.c:(.text+0x4858): undefined reference to `cfb_fillrect' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_copyarea': drm_fb_helper.c:(.text+0x48a0): undefined reference to `sys_fillrect' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_imageblit': drm_fb_helper.c:(.text+0x4900): undefined reference to `cfb_copyarea' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_fillrect': drm_fb_helper.c:(.text+0x49a8): undefined reference to `cfb_imageblit' riscv64-linux-ld: drm_fb_helper.c:(.text+0x49f0): undefined reference to `sys_imageblit' riscv64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `.L709': drm_fb_helper.c:(.text+0x4c34): undefined reference to `fb_deferred_io_cleanup' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for LOCKDEP Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86) Selected by - LOCK_STAT && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org