reproduce (this is a W=1 build):
        git checkout c1d4ce2d9eaeccd7e8aef7ec1109df49eaf4f503
        b4 shazam https://lore.kernel.org/r/20260714012610.576746-1-hugo@hugovil.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=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-16.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash drivers/tty/serial/8250/