Hi Stafford, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4869f5750afdb10a0e9cfa0252fce33e53ab681e commit: ded2ee36313c941f1a12b6f85cde295b575264ae openrisc: Add pci bus support date: 3 months ago config: openrisc-randconfig-r001-20221106 compiler: or1k-linux-gcc (GCC) 12.1.0 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/torvalds/linux.git/commit/?id=ded2ee36313c941f1a12b6f85cde295b575264ae git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ded2ee36313c941f1a12b6f85cde295b575264ae # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash drivers/net/wireless/intel/iwlegacy/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/net/wireless/intel/iwlegacy/4965-mac.c: In function 'il4965_tx_skb': >> drivers/net/wireless/intel/iwlegacy/4965-mac.c:1653:29: warning: variable 'out_meta' set but not used [-Wunused-but-set-variable] 1653 | struct il_cmd_meta *out_meta; | ^~~~~~~~ vim +/out_meta +1653 drivers/net/wireless/intel/iwlegacy/4965-mac.c a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1638 a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1639 /* 4d69c7521a90cb drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-08-30 1640 * start C_TX command process a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1641 */ e7392364fcd100 drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1642 int 36323f817af037 drivers/net/wireless/iwlegacy/4965-mac.c Thomas Huehn 2012-07-23 1643 il4965_tx_skb(struct il_priv *il, 36323f817af037 drivers/net/wireless/iwlegacy/4965-mac.c Thomas Huehn 2012-07-23 1644 struct ieee80211_sta *sta, 36323f817af037 drivers/net/wireless/iwlegacy/4965-mac.c Thomas Huehn 2012-07-23 1645 struct sk_buff *skb) a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1646 { a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1647 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1648 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1649 struct il_station_priv *sta_priv = NULL; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1650 struct il_tx_queue *txq; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1651 struct il_queue *q; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1652 struct il_device_cmd *out_cmd; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 @1653 struct il_cmd_meta *out_meta; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1654 struct il_tx_cmd *tx_cmd; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1655 int txq_id; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1656 dma_addr_t phys_addr; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1657 dma_addr_t txcmd_phys; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1658 dma_addr_t scratch_phys; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1659 u16 len, firstlen, secondlen; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1660 u16 seq_number = 0; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1661 __le16 fc; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1662 u8 hdr_len; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1663 u8 sta_id; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1664 u8 wait_write_ptr = 0; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1665 u8 tid = 0; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1666 u8 *qc = NULL; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1667 unsigned long flags; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1668 bool is_agg = false; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1669 a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1670 spin_lock_irqsave(&il->lock, flags); a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1671 if (il_is_rfkill(il)) { a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1672 D_DROP("Dropping - RF KILL\n"); a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1673 goto drop_unlock; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1674 } a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1675 a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1676 fc = hdr->frame_control; a1751b22a82e6c drivers/net/wireless/iwlegacy/4965-mac.c Stanislaw Gruszka 2011-11-15 1677 :::::: The code at line 1653 was first introduced by commit :::::: a1751b22a82e6cd2da6c9e79611cfd6d6aba1d39 iwlegacy: merge iwl-4965-{tx,rx}.c into 4965-mac.c :::::: TO: Stanislaw Gruszka :::::: CC: Stanislaw Gruszka -- 0-DAY CI Kernel Test Service https://01.org/lkp