Hi Liang, [auto build test ERROR on staging/staging-testing] [also build test ERROR on v4.5-rc6 next-20160304] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/James-Simmons/Last-batch-of-fixes-for-LNet/20160305-101431 config: m68k-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=m68k All errors (new ones prefixed by >>): >> ERROR: "__umoddi3" [drivers/staging/lustre/lnet/lnet/lnet.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation