Hi Ming, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ea9866793d1e925b4d320eaea409263b2a568f38 commit: 6dc4f100c175dd0511ae8674786e7c9006cdfbfa block: allow bio_for_each_segment_all() to iterate over multi-page bvec date: 3 months ago config: ia64-bigsur_defconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 6dc4f100c175dd0511ae8674786e7c9006cdfbfa # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): ERROR: "paddr_to_nid" [sound/core/snd-pcm.ko] undefined! ERROR: "paddr_to_nid" [net/sunrpc/sunrpc.ko] undefined! ERROR: "paddr_to_nid" [fs/cifs/cifs.ko] undefined! ERROR: "paddr_to_nid" [drivers/video/fbdev/core/fb.ko] undefined! ERROR: "paddr_to_nid" [drivers/usb/mon/usbmon.ko] undefined! ERROR: "paddr_to_nid" [drivers/usb/core/usbcore.ko] undefined! >> ERROR: "paddr_to_nid" [drivers/md/raid1.ko] undefined! ERROR: "paddr_to_nid" [drivers/md/dm-mod.ko] undefined! ERROR: "paddr_to_nid" [drivers/md/dm-crypt.ko] undefined! ERROR: "paddr_to_nid" [drivers/md/dm-bufio.ko] undefined! ERROR: "paddr_to_nid" [drivers/ide/ide-core.ko] undefined! ERROR: "paddr_to_nid" [drivers/ide/ide-cd_mod.ko] undefined! ERROR: "paddr_to_nid" [drivers/gpu/drm/drm.ko] undefined! ERROR: "paddr_to_nid" [drivers/char/agp/agpgart.ko] undefined! ERROR: "paddr_to_nid" [drivers/block/nbd.ko] undefined! ERROR: "paddr_to_nid" [drivers/block/loop.ko] undefined! ERROR: "paddr_to_nid" [drivers/block/brd.ko] undefined! ERROR: "paddr_to_nid" [crypto/ccm.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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