tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing head: 3b8bbd742e5dd2062c1cc3ba27beb11b48031846 commit: 3b8bbd742e5dd2062c1cc3ba27beb11b48031846 [49/49] iio: chemical: atlas-ezo-sensor: add humidity sensor support config: riscv-randconfig-r032-20200822 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 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 checkout 3b8bbd742e5dd2062c1cc3ba27beb11b48031846 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): FATAL: modpost: The relocation at __ex_table+0x1098 references section ".debug_str" which is not executable, IOW it is not possible for the kernel to fault at that address. Something is seriously wrong and should be fixed. The below error/warnings are from parent commit: << WARNING: modpost: vmlinux.o(.text+0x200c974): Section mismatch in reference from the function xdr_decode_array2() to the variable .init.text:.L0 << WARNING: modpost: vmlinux.o(__ex_table+0x1098): Section mismatch in reference from the (unknown reference) (unknown) to the variable .debug_str:.LASF212 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org