reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add broonie-sound https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git git fetch broonie-sound for-next git checkout broonie-sound/for-next b4 shazam https://lore.kernel.org/r/20241010054109.16938-1-krzysztof.kozlowski@linaro.org # save the config file mkdir build_dir && cp config build_dir/.config ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash