tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19 head: cb0853bced224c48b50ef564be3fecc6447e1ce1 commit: 76f1a6b45d8f848594f54e7ddda05d55264e0211 [21/30] UPSTREAM: kbuild: link lib-y objects to vmlinux forcibly when CONFIG_MODULES=y config: sparc-randconfig-r013-20200514 (attached as .config) compiler: sparc-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 76f1a6b45d8f848594f54e7ddda05d55264e0211 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): sparc-linux-ld: arch/sparc/lib/strlen.o: in function `strlen': vim +18 arch/sparc/lib/strlen.S ^1da177e4c3f41 arch/sparc64/lib/strlen.S Linus Torvalds 2005-04-16 15 ae984d72e06327 arch/sparc/lib/strlen.S David S. Miller 2008-12-09 16 .text ae984d72e06327 arch/sparc/lib/strlen.S David S. Miller 2008-12-09 17 ENTRY(strlen) ^1da177e4c3f41 arch/sparc64/lib/strlen.S Linus Torvalds 2005-04-16 @18 mov %o0, %o1 :::::: The code at line 18 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org