reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git checkout dc5cb63592bd8c1de1fc6647ac7da44deacc9e4c # save the config file mkdir build_dir && cp config build_dir/.config ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash dtbs_check