tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ae0c77e1bc6963c67c6c09e8c72959fcb1ed8d5f commit: b56c68f705cad0cff61fbe132c66ced2c737c65c [7027/9183] ftrace: Add sample with custom ops config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230131/202301310939.TAgCOEZb-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b56c68f705cad0cff61fbe132c66ced2c737c65c git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout b56c68f705cad0cff61fbe132c66ced2c737c65c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: samples/ftrace/ftrace-ops.o: in function `ftrace_ops_sample_init': >> ftrace-ops.c:(.init.text+0x368): undefined reference to `__udivdi3' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests