reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git checkout af2ea8ab7a546b430726183458da0a173d331272 b4 shazam https://lore.kernel.org/r/20241206-sm8750_videocc-v1-3-5da6e7eea2bd@quicinc.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash