tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: e32cec44c9066e3163c5c96f72819ef9394f04e0 commit: aa1cf8fc767ece8df5b031356175c1df41821cff [22128/22443] FROMGIT: mt76: mt7663s: rely on mcu reg access utility config: nios2-allyesconfig (attached as .config) compiler: nios2-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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.10 git checkout aa1cf8fc767ece8df5b031356175c1df41821cff # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nios2 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the chrome-os/chromeos-5.10 HEAD e32cec44c9066e3163c5c96f72819ef9394f04e0 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org