reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git git fetch akpm-mm mm-nonmm-unstable git checkout akpm-mm/mm-nonmm-unstable b4 shazam https://lore.kernel.org/r/300a0376-f003-4862-bb16-7e004733c9c1@web.de # save the config file mkdir build_dir && cp config build_dir/.config ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash lib/