reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add char-misc https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git git fetch char-misc char-misc-testing git checkout char-misc/char-misc-testing b4 shazam https://lore.kernel.org/r/2181f2207391fb8fb8ae2cfda07d38f65da05ed9.1719365406.git.daniel@makrotopia.org # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash dtbs_check