reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7f2f7b2248110a77a330a6ac9cbc527794b45f30 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 7f2f7b2248110a77a330a6ac9cbc527794b45f30 # 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