reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add kdave https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git git fetch kdave for-next git checkout kdave/for-next b4 shazam https://lore.kernel.org/r/9b85bdbc269d20886590f0a70de66c602d72aa9d.1733695544.git.beckerlee3@gmail.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash fs/btrfs/