tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 92edc4aef86780a8ad01b092c6d6630bb3cb423d commit: f54ec58fee837ec847cb8b50593e81bfaa46107f [1703/5794] wimax: move out to staging config: parisc-randconfig-r014-20201115 (attached as .config) compiler: hppa-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 # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout f54ec58fee837ec847cb8b50593e81bfaa46107f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the linux-next/master HEAD 92edc4aef86780a8ad01b092c6d6630bb3cb423d builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): hppa-linux-ld: drivers/staging/wimax/stack.o: in function `wimax_gnl_re_state_change_send': (.text+0x19c): undefined reference to `init_net' hppa-linux-ld: drivers/staging/wimax/stack.o: in function `wimax_gnl_re_state_change_alloc.constprop.0': (.text+0x308): undefined reference to `__alloc_skb' hppa-linux-ld: (.text+0x3ac): undefined reference to `nla_put' hppa-linux-ld: (.text+0x3e8): undefined reference to `nla_put' hppa-linux-ld: drivers/staging/wimax/stack.o: in function `.L106': (.text+0x76c): undefined reference to `netif_carrier_off' hppa-linux-ld: drivers/staging/wimax/stack.o: in function `wimax_subsys_exit': (.exit.text+0x20): undefined reference to `genl_unregister_family' hppa-linux-ld: drivers/staging/wimax/stack.o: in function `wimax_subsys_init': (.init.text+0x70): undefined reference to `genl_register_family' hppa-linux-ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_alloc': (.text+0x10c): undefined reference to `__alloc_skb' hppa-linux-ld: (.text+0x134): undefined reference to `genlmsg_put' hppa-linux-ld: (.text+0x170): undefined reference to `nla_put' hppa-linux-ld: (.text+0x1a4): undefined reference to `nla_put' hppa-linux-ld: (.text+0x1d0): undefined reference to `nla_put' hppa-linux-ld: (.text+0x214): undefined reference to `kfree_skb' hppa-linux-ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_data_len': (.text+0x280): undefined reference to `nla_find' hppa-linux-ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_data': (.text+0x2f0): undefined reference to `nla_find' hppa-linux-ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_len': (.text+0x350): undefined reference to `nla_find' hppa-linux-ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_send': (.text+0x48c): undefined reference to `init_net' hppa-linux-ld: (.text+0x490): undefined reference to `init_net' hppa-linux-ld: (.text+0x49c): undefined reference to `netlink_broadcast' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org