reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/norov/linux/commit/dc5d867fa2ddb0dd3f1fbbc6ec0d426fc4b61c86
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov find-and-bit-v6
        git checkout dc5d867fa2ddb0dd3f1fbbc6ec0d426fc4b61c86
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash kernel/sched/