tree: https://github.com/ceph/ceph-client.git testing head: 9707d15b204bb0c87dbb2a8e6ac97d012582510e commit: 9707d15b204bb0c87dbb2a8e6ac97d012582510e [8/8] ceph: add standard deviation support for read/write/metadata perf metric config: mips-allyesconfig (attached as .config) compiler: mips-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 9707d15b204bb0c87dbb2a8e6ac97d012582510e # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): mips-linux-ld: fs/ceph/debugfs.o: in function `metric_show': debugfs.c:(.text.metric_show+0x19c): undefined reference to `__divdi3' mips-linux-ld: debugfs.c:(.text.metric_show+0x340): undefined reference to `__divdi3' mips-linux-ld: debugfs.c:(.text.metric_show+0x4e0): undefined reference to `__divdi3' mips-linux-ld: fs/ceph/metric.o: in function `ceph_update_read_latency': >> metric.c:(.text.ceph_update_read_latency+0x180): undefined reference to `__divdi3' mips-linux-ld: fs/ceph/metric.o: in function `ceph_update_write_latency': >> metric.c:(.text.ceph_update_write_latency+0x160): undefined reference to `__divdi3' mips-linux-ld: fs/ceph/metric.o:metric.c:(.text.ceph_update_metadata_latency+0x160): more undefined references to `__divdi3' follow

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