Hi Mike, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on scsi/for-next] [also build test WARNING on next-20210415] [cannot apply to mkp-scsi/for-next rdma/for-next v5.12-rc7] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Mike-Christie/libicsi-and-qedi-T... base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: alpha-randconfig-r016-20210416 (attached as .config) compiler: alpha-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://github.com/0day-ci/linux/commit/9d4a83c1316e3dad2bd5687563584509a... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mike-Christie/libicsi-and-qedi-TMF-fixes/20210416-100636 git checkout 9d4a83c1316e3dad2bd5687563584509a3d6557c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/scsi/qedi/qedi_fw.c: In function 'qedi_process_cmd_cleanup_resp': 741 | u32 rtid = 0; | ^~~~ vim +/rtid +741 drivers/scsi/qedi/qedi_fw.c ace7f46ba5fde7 Manish Rangankar 2016-12-01 729 ace7f46ba5fde7 Manish Rangankar 2016-12-01 730 static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, ace7f46ba5fde7 Manish Rangankar 2016-12-01 731 struct iscsi_cqe_solicited *cqe, ace7f46ba5fde7 Manish Rangankar 2016-12-01 732 struct iscsi_task *task, ace7f46ba5fde7 Manish Rangankar 2016-12-01 733 struct iscsi_conn *conn) ace7f46ba5fde7 Manish Rangankar 2016-12-01 734 { ace7f46ba5fde7 Manish Rangankar 2016-12-01 735 struct qedi_work_map *work, *work_tmp; ace7f46ba5fde7 Manish Rangankar 2016-12-01 736 u32 proto_itt = cqe->itid; ace7f46ba5fde7 Manish Rangankar 2016-12-01 737 u32 ptmp_itt = 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 738 itt_t protoitt = 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 739 int found = 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 740 struct qedi_cmd *qedi_cmd = NULL; ace7f46ba5fde7 Manish Rangankar 2016-12-01 @741 u32 rtid = 0; ace7f46ba5fde7 Manish Rangankar 2016-12-01 742 u32 iscsi_cid; ace7f46ba5fde7 Manish Rangankar 2016-12-01 743 struct qedi_conn *qedi_conn; 8712f467d4a560 Christos Gkekas 2017-10-14 744 struct qedi_cmd *dbg_cmd; ace7f46ba5fde7 Manish Rangankar 2016-12-01 745 struct iscsi_task *mtask; ace7f46ba5fde7 Manish Rangankar 2016-12-01 746 struct iscsi_tm *tmf_hdr = NULL; ace7f46ba5fde7 Manish Rangankar 2016-12-01 747 ace7f46ba5fde7 Manish Rangankar 2016-12-01 748 iscsi_cid = cqe->conn_id; ace7f46ba5fde7 Manish Rangankar 2016-12-01 749 qedi_conn = qedi->cid_que.conn_cid_tbl[iscsi_cid]; 967823d6c3980a Manish Rangankar 2018-02-26 750 if (!qedi_conn) { 967823d6c3980a Manish Rangankar 2018-02-26 751 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, 967823d6c3980a Manish Rangankar 2018-02-26 752 "icid not found 0x%x\n", cqe->conn_id); 967823d6c3980a Manish Rangankar 2018-02-26 753 return; 967823d6c3980a Manish Rangankar 2018-02-26 754 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 755 ace7f46ba5fde7 Manish Rangankar 2016-12-01 756 /* Based on this itt get the corresponding qedi_cmd */ ace7f46ba5fde7 Manish Rangankar 2016-12-01 757 spin_lock_bh(&qedi_conn->tmf_work_lock); ace7f46ba5fde7 Manish Rangankar 2016-12-01 758 list_for_each_entry_safe(work, work_tmp, &qedi_conn->tmf_work_list, ace7f46ba5fde7 Manish Rangankar 2016-12-01 759 list) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 760 if (work->rtid == proto_itt) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 761 /* We found the command */ ace7f46ba5fde7 Manish Rangankar 2016-12-01 762 qedi_cmd = work->qedi_cmd; ace7f46ba5fde7 Manish Rangankar 2016-12-01 763 if (!qedi_cmd->list_tmf_work) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 764 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, ace7f46ba5fde7 Manish Rangankar 2016-12-01 765 "TMF work not found, cqe->tid=0x%x, cid=0x%x\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 766 proto_itt, qedi_conn->iscsi_conn_id); ace7f46ba5fde7 Manish Rangankar 2016-12-01 767 WARN_ON(1); ace7f46ba5fde7 Manish Rangankar 2016-12-01 768 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 769 found = 1; ace7f46ba5fde7 Manish Rangankar 2016-12-01 770 mtask = qedi_cmd->task; ace7f46ba5fde7 Manish Rangankar 2016-12-01 771 tmf_hdr = (struct iscsi_tm *)mtask->hdr; ace7f46ba5fde7 Manish Rangankar 2016-12-01 772 rtid = work->rtid; ace7f46ba5fde7 Manish Rangankar 2016-12-01 773 ace7f46ba5fde7 Manish Rangankar 2016-12-01 774 list_del_init(&work->list); ace7f46ba5fde7 Manish Rangankar 2016-12-01 775 kfree(work); ace7f46ba5fde7 Manish Rangankar 2016-12-01 776 qedi_cmd->list_tmf_work = NULL; ace7f46ba5fde7 Manish Rangankar 2016-12-01 777 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 778 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 779 spin_unlock_bh(&qedi_conn->tmf_work_lock); ace7f46ba5fde7 Manish Rangankar 2016-12-01 780 ace7f46ba5fde7 Manish Rangankar 2016-12-01 781 if (found) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 782 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, ace7f46ba5fde7 Manish Rangankar 2016-12-01 783 "TMF work, cqe->tid=0x%x, tmf flags=0x%x, cid=0x%x\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 784 proto_itt, tmf_hdr->flags, qedi_conn->iscsi_conn_id); ace7f46ba5fde7 Manish Rangankar 2016-12-01 785 ace7f46ba5fde7 Manish Rangankar 2016-12-01 786 if ((tmf_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) == ace7f46ba5fde7 Manish Rangankar 2016-12-01 787 ISCSI_TM_FUNC_ABORT_TASK) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 788 spin_lock_bh(&conn->session->back_lock); ace7f46ba5fde7 Manish Rangankar 2016-12-01 789 ace7f46ba5fde7 Manish Rangankar 2016-12-01 790 protoitt = build_itt(get_itt(tmf_hdr->rtt), ace7f46ba5fde7 Manish Rangankar 2016-12-01 791 conn->session->age); ace7f46ba5fde7 Manish Rangankar 2016-12-01 792 task = iscsi_itt_to_task(conn, protoitt); ace7f46ba5fde7 Manish Rangankar 2016-12-01 793 ace7f46ba5fde7 Manish Rangankar 2016-12-01 794 spin_unlock_bh(&conn->session->back_lock); ace7f46ba5fde7 Manish Rangankar 2016-12-01 795 ace7f46ba5fde7 Manish Rangankar 2016-12-01 796 if (!task) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 797 QEDI_NOTICE(&qedi->dbg_ctx, ace7f46ba5fde7 Manish Rangankar 2016-12-01 798 "IO task completed, tmf rtt=0x%x, cid=0x%x\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 799 get_itt(tmf_hdr->rtt), ace7f46ba5fde7 Manish Rangankar 2016-12-01 800 qedi_conn->iscsi_conn_id); ace7f46ba5fde7 Manish Rangankar 2016-12-01 801 return; ace7f46ba5fde7 Manish Rangankar 2016-12-01 802 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 803 ace7f46ba5fde7 Manish Rangankar 2016-12-01 804 dbg_cmd = task->dd_data; ace7f46ba5fde7 Manish Rangankar 2016-12-01 805 ace7f46ba5fde7 Manish Rangankar 2016-12-01 806 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, ace7f46ba5fde7 Manish Rangankar 2016-12-01 807 "Abort tmf rtt=0x%x, i/o itt=0x%x, i/o tid=0x%x, cid=0x%x\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 808 get_itt(tmf_hdr->rtt), get_itt(task->itt), ace7f46ba5fde7 Manish Rangankar 2016-12-01 809 dbg_cmd->task_id, qedi_conn->iscsi_conn_id); ace7f46ba5fde7 Manish Rangankar 2016-12-01 810 ace7f46ba5fde7 Manish Rangankar 2016-12-01 811 if (qedi_cmd->state == CLEANUP_WAIT_FAILED) ace7f46ba5fde7 Manish Rangankar 2016-12-01 812 qedi_cmd->state = CLEANUP_RECV; ace7f46ba5fde7 Manish Rangankar 2016-12-01 813 ace7f46ba5fde7 Manish Rangankar 2016-12-01 814 spin_lock(&qedi_conn->list_lock); 28b35d17f9f857 Nilesh Javali 2020-09-08 815 if (likely(dbg_cmd->io_cmd_in_list)) { 28b35d17f9f857 Nilesh Javali 2020-09-08 816 dbg_cmd->io_cmd_in_list = false; ace7f46ba5fde7 Manish Rangankar 2016-12-01 817 list_del_init(&dbg_cmd->io_cmd); ace7f46ba5fde7 Manish Rangankar 2016-12-01 818 qedi_conn->active_cmd_count--; 28b35d17f9f857 Nilesh Javali 2020-09-08 819 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 820 spin_unlock(&qedi_conn->list_lock); ace7f46ba5fde7 Manish Rangankar 2016-12-01 821 qedi_cmd->state = CLEANUP_RECV; ace7f46ba5fde7 Manish Rangankar 2016-12-01 822 wake_up_interruptible(&qedi_conn->wait_queue); ace7f46ba5fde7 Manish Rangankar 2016-12-01 823 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 824 } else if (qedi_conn->cmd_cleanup_req > 0) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 825 spin_lock_bh(&conn->session->back_lock); ace7f46ba5fde7 Manish Rangankar 2016-12-01 826 qedi_get_proto_itt(qedi, cqe->itid, &ptmp_itt); ace7f46ba5fde7 Manish Rangankar 2016-12-01 827 protoitt = build_itt(ptmp_itt, conn->session->age); ace7f46ba5fde7 Manish Rangankar 2016-12-01 828 task = iscsi_itt_to_task(conn, protoitt); ace7f46ba5fde7 Manish Rangankar 2016-12-01 829 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, ace7f46ba5fde7 Manish Rangankar 2016-12-01 830 "cleanup io itid=0x%x, protoitt=0x%x, cmd_cleanup_cmpl=%d, cid=0x%x\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 831 cqe->itid, protoitt, qedi_conn->cmd_cleanup_cmpl, ace7f46ba5fde7 Manish Rangankar 2016-12-01 832 qedi_conn->iscsi_conn_id); ace7f46ba5fde7 Manish Rangankar 2016-12-01 833 ace7f46ba5fde7 Manish Rangankar 2016-12-01 834 spin_unlock_bh(&conn->session->back_lock); ace7f46ba5fde7 Manish Rangankar 2016-12-01 835 if (!task) { ace7f46ba5fde7 Manish Rangankar 2016-12-01 836 QEDI_NOTICE(&qedi->dbg_ctx, ace7f46ba5fde7 Manish Rangankar 2016-12-01 837 "task is null, itid=0x%x, cid=0x%x\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 838 cqe->itid, qedi_conn->iscsi_conn_id); ace7f46ba5fde7 Manish Rangankar 2016-12-01 839 return; ace7f46ba5fde7 Manish Rangankar 2016-12-01 840 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 841 qedi_conn->cmd_cleanup_cmpl++; ace7f46ba5fde7 Manish Rangankar 2016-12-01 842 wake_up(&qedi_conn->wait_queue); ace7f46ba5fde7 Manish Rangankar 2016-12-01 843 ace7f46ba5fde7 Manish Rangankar 2016-12-01 844 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID, ace7f46ba5fde7 Manish Rangankar 2016-12-01 845 "Freeing tid=0x%x for cid=0x%x\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 846 cqe->itid, qedi_conn->iscsi_conn_id); ace7f46ba5fde7 Manish Rangankar 2016-12-01 847 ace7f46ba5fde7 Manish Rangankar 2016-12-01 848 } else { ace7f46ba5fde7 Manish Rangankar 2016-12-01 849 qedi_get_proto_itt(qedi, cqe->itid, &ptmp_itt); ace7f46ba5fde7 Manish Rangankar 2016-12-01 850 protoitt = build_itt(ptmp_itt, conn->session->age); ace7f46ba5fde7 Manish Rangankar 2016-12-01 851 task = iscsi_itt_to_task(conn, protoitt); ace7f46ba5fde7 Manish Rangankar 2016-12-01 852 QEDI_ERR(&qedi->dbg_ctx, ace7f46ba5fde7 Manish Rangankar 2016-12-01 853 "Delayed or untracked cleanup response, itt=0x%x, tid=0x%x, cid=0x%x, task=%p\n", ace7f46ba5fde7 Manish Rangankar 2016-12-01 854 protoitt, cqe->itid, qedi_conn->iscsi_conn_id, task); ace7f46ba5fde7 Manish Rangankar 2016-12-01 855 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 856 } ace7f46ba5fde7 Manish Rangankar 2016-12-01 857 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org