tree: https://github.com/jimc/linux.git dd-drm-redux head: ed3eac8ceeea22a0d69d027aec059cbbb654b517 commit: 1241f739b6212e0a12f9c3d65f54468cf33e60c4 [7/8] drm_print: add choice to use dynamic debug in drm-debug config: i386-randconfig-r024-20211207 (https://download.01.org/0day-ci/archive/20211209/202112090316.3qh67mvz-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a) 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/jimc/linux/commit/1241f739b6212e0a12f9c3d65f54468cf33e... git remote add jimc https://github.com/jimc/linux.git git fetch --no-tags jimc dd-drm-redux git checkout 1241f739b6212e0a12f9c3d65f54468cf33e60c4 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 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 >>): DEFINE_DYNAMIC_DEBUG_BITGRPS(debug_dc, __debug_dc, ^ include/linux/dynamic_debug.h:279:2: note: expanded from macro 'DEFINE_DYNAMIC_DEBUG_BITGRPS' BUILD_BUG_ON_MSG(1, "you need -DDYNAMIC_DEBUG_MODULE in compile") ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ include/linux/compiler_types.h:335:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:323:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:307:2: note: expanded from macro '__compiletime_assert' do { \ ^ include/linux/dynamic_debug.h:279:2: note: expanded from macro 'DEFINE_DYNAMIC_DEBUG_BITGRPS' BUILD_BUG_ON_MSG(1, "you need -DDYNAMIC_DEBUG_MODULE in compile") ^ include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^ include/linux/compiler_types.h:335:2: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^ include/linux/compiler_types.h:323:2: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^ include/linux/compiler_types.h:317:4: note: expanded from macro '__compiletime_assert' } while (0) ^ 2 errors generated. vim +80 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_debug.c e8bf52a6b22b68 Jim Cromie 2021-07-30 79 e8bf52a6b22b68 Jim Cromie 2021-07-30 @80 DEFINE_DYNAMIC_DEBUG_BITGRPS(debug_dc, __debug_dc, e8bf52a6b22b68 Jim Cromie 2021-07-30 81 DC_DYNDBG_BITMAP_DESC(debug_dc), e8bf52a6b22b68 Jim Cromie 2021-07-30 82 amdgpu_bitmap); e8bf52a6b22b68 Jim Cromie 2021-07-30 83 :::::: The code at line 80 was first introduced by commit :::::: e8bf52a6b22b6892586ae1d87c398ede03d323ee amdgpu: use dyndbg.BITGRPS to control existing pr_debugs :::::: TO: Jim Cromie <jim.cromie(a)gmail.com&gt; :::::: CC: Jim Cromie <jim.cromie(a)gmail.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org