Hi Mark, First bad commit (maybe != root cause): tree: https://github.com/krzk/linux track/next head: 1c6c4f42b3de4f18ea96d62950d0e266ca35a055 commit: 4c810f8f8f0fe99bcadfb64e7ea7d098c4c082d6 [111/207] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git config: powerpc-randconfig-r014-20221017 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/krzk/linux/commit/4c810f8f8f0fe99bcadfb64e7ea7d098c4c082d6 git remote add krzk-github https://github.com/krzk/linux git fetch --no-tags krzk-github track/next git checkout 4c810f8f8f0fe99bcadfb64e7ea7d098c4c082d6 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> make[5]: *** No rule to make target 'drivers/crypto/aspeed/aspeed_crypto.o', needed by 'drivers/crypto/aspeed/'. make[5]: Target 'drivers/crypto/aspeed/' not remade because of errors. -- 0-DAY CI Kernel Test Service https://01.org/lkp