reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git/commit/?id=19d6fe03db7e99f56f4898bec0208a1a036096ca
        git remote add tnguy-next-queue https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git
        git fetch --no-tags tnguy-next-queue dev-queue
        git checkout 19d6fe03db7e99f56f4898bec0208a1a036096ca
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um olddefconfig
        make W=1 O=build_dir ARCH=um SHELL=/bin/bash