tree: https://github.com/intel/linux-intel-lts.git 5.4/preempt-rt head: 36a2ba81b7c7178b0612363a1af6f22887905cc6 commit: 752935f4dfd39547cd2e78e4b18b958e529199df [14662/19040] EDAC/ieh: Add I/O device EDAC driver for Intel CPUs with IEH config: x86_64-randconfig-c022-20211101 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/linux-intel-lts/commit/752935f4dfd39547cd2e78e4b... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.4/preempt-rt git checkout 752935f4dfd39547cd2e78e4b18b958e529199df # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_read' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_write' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_get_device_list' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_get_device_name' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_get_device_status' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_boot_device' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_connect' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko WARNING: drivers/misc/xlink-usb/remote_host/vpu_usb: 'xlink_usb_reset_device' exported twice. Previous export was in drivers/misc/xlink-usb/local_host/g_serial_vpu_usb.ko --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org