reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/jmondi/linux.git/commit/?id=fb7be10e2d1176b9cdd3bbf901d7795a27837b6f
        git remote add jmondi https://git.kernel.org/pub/scm/linux/kernel/git/jmondi/linux.git
        git fetch --no-tags jmondi pispbe/media-staging/be-upstream
        git checkout fb7be10e2d1176b9cdd3bbf901d7795a27837b6f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash