reproduce (this is a W=1 build): git checkout 18f7fcd5e69a04df57b563360b88be72471d6b62 b4 shazam https://lore.kernel.org/r/20260202-x2apic-fix-v1-1-71c8f488a88b@sony.com git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash