Hi Shannon, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1c0cc5f1ae5ee5a6913704c0d75a6e99604ee30a commit: 77ceb68e29ccd25d923b6af59e74ecaf736cc4b7 ionic: Add notifyq support date: 5 weeks ago config: x86_64-randconfig-a002-201941 (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: git checkout 77ceb68e29ccd25d923b6af59e74ecaf736cc4b7 # save the attached .config to linux build tree make ARCH=x86_64 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 >>): drivers/net/ethernet/pensando/ionic/ionic_lif.c: In function 'ionic_notifyq_service': dynamic_hex_dump("event ", DUMP_PREFIX_OFFSET, 16, 1, ^~~~~~~~~~~~~~~~ seq_hex_dump cc1: some warnings being treated as errors vim +333 drivers/net/ethernet/pensando/ionic/ionic_lif.c 311 312 static bool ionic_notifyq_service(struct ionic_cq *cq, 313 struct ionic_cq_info *cq_info) 314 { 315 union ionic_notifyq_comp *comp = cq_info->cq_desc; 316 struct net_device *netdev; 317 struct ionic_queue *q; 318 struct ionic_lif *lif; 319 u64 eid; 320 321 q = cq->bound_q; 322 lif = q->info[0].cb_arg; 323 netdev = lif->netdev; 324 eid = le64_to_cpu(comp->event.eid); 325 326 /* Have we run out of new completions to process? */ 327 if (eid <= lif->last_eid) 328 return false; 329 330 lif->last_eid = eid; 331 332 dev_dbg(lif->ionic->dev, "notifyq event:\n"); 334 comp, sizeof(*comp), true); 335 336 switch (le16_to_cpu(comp->event.ecode)) { 337 case IONIC_EVENT_LINK_CHANGE: 338 netdev_info(netdev, "Notifyq IONIC_EVENT_LINK_CHANGE eid=%lld\n", 339 eid); 340 netdev_info(netdev, 341 " link_status=%d link_speed=%d\n", 342 le16_to_cpu(comp->link_change.link_status), 343 le32_to_cpu(comp->link_change.link_speed)); 344 break; 345 case IONIC_EVENT_RESET: 346 netdev_info(netdev, "Notifyq IONIC_EVENT_RESET eid=%lld\n", 347 eid); 348 netdev_info(netdev, " reset_code=%d state=%d\n", 349 comp->reset.reset_code, 350 comp->reset.state); 351 break; 352 default: 353 netdev_warn(netdev, "Notifyq unknown event ecode=%d eid=%lld\n", 354 comp->event.ecode, eid); 355 break; 356 } 357 358 return true; 359 } 360 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation