tree: https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/netfs-maple head: 429e2bb6fb190f390ed23afc0d2308e877c43be5 commit: e9340673baaf1ff587aed3391aa411cf554bc42e [34/35] netfs: Slice a writeback from a dirty region config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20220211/202202112214.EBzeF3dl-lk...) compiler: ia64-linux-gcc (GCC) 11.2.0 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 # https://github.com/ammarfaizi2/linux-block/commit/e9340673baaf1ff587aed33... git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/netfs-maple git checkout e9340673baaf1ff587aed3391aa411cf554bc42e # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): ia64-linux-ld: fs/netfs/flush.o: in function `netfs_flush_get_pages': flush.c:(.text.unlikely+0x2a2): undefined reference to `xa_store_range' `adc3xxx_i2c_remove' referenced in section `.data' of sound/soc/codecs/tlv320adc3xxx.o: defined in discarded section `.exit.text' of sound/soc/codecs/tlv320adc3xxx.o --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org