reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch tip sched/core git checkout tip/sched/core b4 shazam https://lore.kernel.org/r/20250221085051.32468-1-15645113830zzh@gmail.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/clk/renesas/ drivers/gpu/drm/bridge/ drivers/iio/adc/ drivers/power/supply/ drivers/staging/most/video/ drivers/tty/serial/ kernel/sched/ kernel/trace/ security/selinux/