iSER(iSCSI Extensions for RDMA)环境，不跑业务的情况下，空环境出现多个D状态进程

【标题描述】能够简要描述问题：说明什么场景下，做了什么操作，出现什么问题（尽量使用正向表达方式）
【环境信息】
物理机
openeulerversion=openEuler-20.03-LTS-SP3

【问题复现步骤】
搭建iSER(iSCSI Extensions for RDMA)环境，不跑业务的情况下，空环境出现多个D状态进程。导致无法跑业务。

【预期结果】
可以正常下IO

【实际结果】
出现多个D状态进程，无法下业务。

【附件信息】
Jan 17 16:26:12 ora-storage02 kernel: [  237.468557]  nvme0n1:
Jan 17 16:29:18 ora-storage02 kernel: [  422.703958] ------------[ cut here ]------------
Jan 17 16:29:18 ora-storage02 kernel: [  422.703972] percpu_ref_kill_and_confirm called more than once on target_release_sess_cmd_refcnt [target_core_mod]!
Jan 17 16:29:18 ora-storage02 kernel: [  422.703985] WARNING: CPU: 0 PID: 3024 at lib/percpu-refcount.c:336 percpu_ref_kill_and_confirm+0x7c/0xa0
Jan 17 16:29:18 ora-storage02 kernel: [  422.703986] Modules linked in: target_core_user uio target_core_pscsi target_core_file target_core_iblock xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat nf_nat_ipv6 iptable_mangle iptable_nat nf_nat_ipv4 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter tun bridge stp llc rfkill intel_rapl_msr intel_rapl_common isst_if_common vfat fat skx_edac nfit libnvdimm rpcrdma sunrpc x86_pkg_temp_thermal coretemp rdma_ucm ib_srpt kvm_intel ib_isert iscsi_target_mod kvm target_core_mod irqbypass crct10dif_pclmul ib_iser rdma_cm crc32_pclmul iw_cm ghash_clmulni_intel libiscsi ib_umad ib_ipoib i40iw scsi_transport_iscsi intel_cstate ib_cm sg ipmi_si pcspkr ipmi_devintf ipmi_msghandler intel_uncore
Jan 17 16:29:18 ora-storage02 kernel: [  422.704010]  intel_rapl_perf ioatdma joydev mei_me wdat_wdt mei i2c_i801 lpc_ich dca acpi_power_meter ip_tables ext4 mbcache jbd2 mlx5_ib ib_uverbs ib_core sd_mod crc32c_intel mlx5_core nvme nvme_core i40e ahci mlxfw libahci uas megaraid_sas host_edma_drv usb_storage libata dm_mirror dm_region_hash dm_log dm_mod
Jan 17 16:29:18 ora-storage02 kernel: [  422.704023] CPU: 0 PID: 3024 Comm: iscsi_ttx Kdump: loaded Not tainted 4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:29:18 ora-storage02 kernel: [  422.704024] Hardware name: Huawei 2288H V5/BC11SPSCB0, BIOS 7.95 02/05/2021
Jan 17 16:29:18 ora-storage02 kernel: [  422.704026] RIP: 0010:percpu_ref_kill_and_confirm+0x7c/0xa0
Jan 17 16:29:18 ora-storage02 kernel: [  422.704028] Code: 38 48 00 80 3d f9 b0 fd 00 00 75 c4 48 8b 53 10 48 c7 c6 20 6d 49 8b 48 c7 c7 30 45 6d 8b c6 05 de b0 fd 00 01 e8 84 6c c6 ff <0f> 0b 48 8b 53 08 eb 9e f0 48 83 2b 01 75 b7 48 8b 43 10 48 89 df
Jan 17 16:29:18 ora-storage02 kernel: [  422.704029] RSP: 0018:ffffa883cf60fdf8 EFLAGS: 00010082
Jan 17 16:29:18 ora-storage02 kernel: [  422.704029] RAX: 0000000000000000 RBX: ffff9a7b27db2ad8 RCX: 0000000000000000
Jan 17 16:29:18 ora-storage02 kernel: [  422.704030] RDX: 0000000000000066 RSI: ffffffff8c0b2aa6 RDI: 0000000000000046
Jan 17 16:29:18 ora-storage02 kernel: [  422.704031] RBP: 0000000000000246 R08: 0000000000000002 R09: 0000000000022000
Jan 17 16:29:18 ora-storage02 kernel: [  422.704031] R10: ffffffff8b803d60 R11: ffffffff8b699c00 R12: 0000000000000000
Jan 17 16:29:18 ora-storage02 kernel: [  422.704032] R13: ffff9a79a0031900 R14: ffffa883cf60fc50 R15: ffffa883cf60fe48
Jan 17 16:29:18 ora-storage02 kernel: [  422.704033] FS:  0000000000000000(0000) GS:ffff9a987f800000(0000) knlGS:0000000000000000
Jan 17 16:29:18 ora-storage02 kernel: [  422.704033] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jan 17 16:29:18 ora-storage02 kernel: [  422.704034] CR2: 00007fd1e90f8578 CR3: 0000000b01a0a003 CR4: 00000000007606f0
Jan 17 16:29:18 ora-storage02 kernel: [  422.704035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jan 17 16:29:18 ora-storage02 kernel: [  422.704035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jan 17 16:29:18 ora-storage02 kernel: [  422.704036] PKRU: 55555554
Jan 17 16:29:18 ora-storage02 kernel: [  422.704036] Call Trace:
Jan 17 16:29:18 ora-storage02 kernel: [  422.704047]  iscsit_close_connection+0x27b/0x940 [iscsi_target_mod]
Jan 17 16:29:18 ora-storage02 kernel: [  422.704054]  ? __schedule+0x298/0x760
Jan 17 16:29:18 ora-storage02 kernel: [  422.704058]  ? iscsit_thread_get_cpumask+0xb0/0xb0 [iscsi_target_mod]
Jan 17 16:29:18 ora-storage02 kernel: [  422.704062]  iscsit_take_action_for_connection_exit+0xec/0x100 [iscsi_target_mod]
Jan 17 16:29:18 ora-storage02 kernel: [  422.704068]  iscsi_target_tx_thread+0x163/0x1f0 [iscsi_target_mod]
Jan 17 16:29:18 ora-storage02 kernel: [  422.704071]  ? finish_wait+0x80/0x80
Jan 17 16:29:18 ora-storage02 kernel: [  422.704074]  kthread+0x113/0x130
Jan 17 16:29:18 ora-storage02 kernel: [  422.704075]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:29:18 ora-storage02 kernel: [  422.704078]  ret_from_fork+0x1f/0x40
Jan 17 16:29:18 ora-storage02 kernel: [  422.704079] ---[ end trace c7aeaf7c081068e7 ]---
Jan 17 16:30:13 ora-storage02 kernel: [  477.691165] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:30:13 ora-storage02 kernel: [  477.698261] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:30:13 ora-storage02 kernel: [  477.698290] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:30:13 ora-storage02 kernel: [  477.698295] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:32:30 ora-storage02 systemd[1]: Starting dnf makecache...
Jan 17 16:32:31 ora-storage02 kernel: [  615.775791] INFO: task kworker/u132:0:921 blocked for more than 120 seconds.
Jan 17 16:32:31 ora-storage02 kernel: [  615.776004]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:32:31 ora-storage02 kernel: [  615.776236] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:32:31 ora-storage02 kernel: [  615.776481] kworker/u132:0  D    0   921      2 0x80000080
Jan 17 16:32:31 ora-storage02 kernel: [  615.776490] Workqueue: isert_comp_wq isert_do_control_comp [ib_isert]
Jan 17 16:32:31 ora-storage02 kernel: [  615.776490] Call Trace:
Jan 17 16:32:31 ora-storage02 kernel: [  615.776497]  ? __schedule+0x290/0x760
Jan 17 16:32:31 ora-storage02 kernel: [  615.776499]  schedule+0x29/0xc0
Jan 17 16:32:31 ora-storage02 kernel: [  615.776502]  schedule_timeout+0x1ee/0x3a0
Jan 17 16:32:31 ora-storage02 kernel: [  615.776506]  ? __wake_up_common+0x76/0x170
Jan 17 16:32:31 ora-storage02 kernel: [  615.776508]  wait_for_completion+0x12c/0x190
Jan 17 16:32:31 ora-storage02 kernel: [  615.776513]  ? wake_up_q+0x70/0x70
Jan 17 16:32:31 ora-storage02 kernel: [  615.776525]  iscsit_logout_post_handler+0x172/0x210 [iscsi_target_mod]
Jan 17 16:32:31 ora-storage02 kernel: [  615.776530]  process_one_work+0x195/0x3d0
Jan 17 16:32:31 ora-storage02 kernel: [  615.776532]  worker_thread+0x30/0x390
Jan 17 16:32:31 ora-storage02 kernel: [  615.776534]  ? process_one_work+0x3d0/0x3d0
Jan 17 16:32:31 ora-storage02 kernel: [  615.776535]  kthread+0x113/0x130
Jan 17 16:32:31 ora-storage02 kernel: [  615.776536]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:32:31 ora-storage02 kernel: [  615.776538]  ret_from_fork+0x1f/0x40
Jan 17 16:32:31 ora-storage02 kernel: [  615.776572] INFO: task iscsi_ttx:3031 blocked for more than 120 seconds.
Jan 17 16:32:31 ora-storage02 kernel: [  615.776777]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:32:31 ora-storage02 kernel: [  615.777002] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:32:31 ora-storage02 kernel: [  615.777245] iscsi_ttx       D    0  3031      2 0x80000084
Jan 17 16:32:31 ora-storage02 kernel: [  615.777246] Call Trace:
Jan 17 16:32:31 ora-storage02 kernel: [  615.777249]  ? __schedule+0x290/0x760
Jan 17 16:32:31 ora-storage02 kernel: [  615.777250]  schedule+0x29/0xc0
Jan 17 16:32:31 ora-storage02 kernel: [  615.777252]  schedule_timeout+0x179/0x3a0
Jan 17 16:32:31 ora-storage02 kernel: [  615.777255]  ? __next_timer_interrupt+0xc0/0xc0
Jan 17 16:32:31 ora-storage02 kernel: [  615.777257]  ? prepare_to_wait_event+0x7d/0x150
Jan 17 16:32:31 ora-storage02 kernel: [  615.777270]  target_wait_for_sess_cmds+0x76/0x180 [target_core_mod]
Jan 17 16:32:31 ora-storage02 kernel: [  615.777272]  ? finish_wait+0x80/0x80
Jan 17 16:32:31 ora-storage02 kernel: [  615.777277]  iscsit_close_connection+0x287/0x940 [iscsi_target_mod]
Jan 17 16:32:31 ora-storage02 kernel: [  615.777279]  ? __schedule+0x298/0x760
Jan 17 16:32:31 ora-storage02 kernel: [  615.777284]  ? iscsit_thread_get_cpumask+0xb0/0xb0 [iscsi_target_mod]
Jan 17 16:32:31 ora-storage02 kernel: [  615.777288]  iscsit_take_action_for_connection_exit+0x7a/0x100 [iscsi_target_mod]
Jan 17 16:32:31 ora-storage02 kernel: [  615.777293]  iscsi_target_tx_thread+0x163/0x1f0 [iscsi_target_mod]
Jan 17 16:32:31 ora-storage02 kernel: [  615.777294]  ? finish_wait+0x80/0x80
Jan 17 16:32:31 ora-storage02 kernel: [  615.777295]  kthread+0x113/0x130
Jan 17 16:32:31 ora-storage02 kernel: [  615.777297]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:32:31 ora-storage02 kernel: [  615.777298]  ret_from_fork+0x1f/0x40
Jan 17 16:32:31 ora-storage02 dnf[3043]: Metadata cache refreshed recently.
Jan 17 16:32:31 ora-storage02 systemd[1]: dnf-makecache.service: Succeeded.
Jan 17 16:32:31 ora-storage02 systemd[1]: Started dnf makecache.
Jan 17 16:32:31 ora-storage02 audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=dnf-makecache comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Jan 17 16:32:31 ora-storage02 audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=dnf-makecache comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Jan 17 16:34:34 ora-storage02 kernel: [  738.656300] INFO: task kworker/u132:0:921 blocked for more than 120 seconds.
Jan 17 16:34:34 ora-storage02 kernel: [  738.656508]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:34:34 ora-storage02 kernel: [  738.656741] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:34:34 ora-storage02 kernel: [  738.656985] kworker/u132:0  D    0   921      2 0x80000080
Jan 17 16:34:34 ora-storage02 kernel: [  738.656989] Workqueue: isert_comp_wq isert_do_control_comp [ib_isert]
Jan 17 16:34:34 ora-storage02 kernel: [  738.656990] Call Trace:
Jan 17 16:34:34 ora-storage02 kernel: [  738.656993]  ? __schedule+0x290/0x760
Jan 17 16:34:34 ora-storage02 kernel: [  738.656994]  schedule+0x29/0xc0
Jan 17 16:34:34 ora-storage02 kernel: [  738.656996]  schedule_timeout+0x1ee/0x3a0
Jan 17 16:34:34 ora-storage02 kernel: [  738.656998]  ? __wake_up_common+0x76/0x170
Jan 17 16:34:34 ora-storage02 kernel: [  738.657000]  wait_for_completion+0x12c/0x190
Jan 17 16:34:34 ora-storage02 kernel: [  738.657002]  ? wake_up_q+0x70/0x70
Jan 17 16:34:34 ora-storage02 kernel: [  738.657007]  iscsit_logout_post_handler+0x172/0x210 [iscsi_target_mod]
Jan 17 16:34:34 ora-storage02 kernel: [  738.657009]  process_one_work+0x195/0x3d0
Jan 17 16:34:34 ora-storage02 kernel: [  738.657011]  worker_thread+0x30/0x390
Jan 17 16:34:34 ora-storage02 kernel: [  738.657012]  ? process_one_work+0x3d0/0x3d0
Jan 17 16:34:34 ora-storage02 kernel: [  738.657013]  kthread+0x113/0x130
Jan 17 16:34:34 ora-storage02 kernel: [  738.657014]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:34:34 ora-storage02 kernel: [  738.657015]  ret_from_fork+0x1f/0x40
Jan 17 16:34:34 ora-storage02 kernel: [  738.657039] INFO: task iscsi_ttx:3024 blocked for more than 120 seconds.
Jan 17 16:34:34 ora-storage02 kernel: [  738.657235]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:34:34 ora-storage02 kernel: [  738.657473] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:34:34 ora-storage02 kernel: [  738.657710] iscsi_ttx       D    0  3024      2 0x80000084
Jan 17 16:34:34 ora-storage02 kernel: [  738.657711] Call Trace:
Jan 17 16:34:34 ora-storage02 kernel: [  738.657714]  ? __schedule+0x290/0x760
Jan 17 16:34:34 ora-storage02 kernel: [  738.657715]  schedule+0x29/0xc0
Jan 17 16:34:34 ora-storage02 kernel: [  738.657718]  schedule_timeout+0x179/0x3a0
Jan 17 16:34:34 ora-storage02 kernel: [  738.657719]  ? __next_timer_interrupt+0xc0/0xc0
Jan 17 16:34:34 ora-storage02 kernel: [  738.657720]  ? prepare_to_wait_event+0x7d/0x150
Jan 17 16:34:34 ora-storage02 kernel: [  738.657728]  target_wait_for_sess_cmds+0x76/0x180 [target_core_mod]
Jan 17 16:34:34 ora-storage02 kernel: [  738.657730]  ? finish_wait+0x80/0x80
Jan 17 16:34:34 ora-storage02 kernel: [  738.657736]  iscsit_close_connection+0x287/0x940 [iscsi_target_mod]
Jan 17 16:34:34 ora-storage02 kernel: [  738.657737]  ? __schedule+0x298/0x760
Jan 17 16:34:34 ora-storage02 kernel: [  738.657741]  ? iscsit_thread_get_cpumask+0xb0/0xb0 [iscsi_target_mod]
Jan 17 16:34:34 ora-storage02 kernel: [  738.657746]  iscsit_take_action_for_connection_exit+0xec/0x100 [iscsi_target_mod]
Jan 17 16:34:34 ora-storage02 kernel: [  738.657750]  iscsi_target_tx_thread+0x163/0x1f0 [iscsi_target_mod]
Jan 17 16:34:34 ora-storage02 kernel: [  738.657752]  ? finish_wait+0x80/0x80
Jan 17 16:34:34 ora-storage02 kernel: [  738.657753]  kthread+0x113/0x130
Jan 17 16:34:34 ora-storage02 kernel: [  738.657754]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:34:34 ora-storage02 kernel: [  738.657756]  ret_from_fork+0x1f/0x40
Jan 17 16:36:36 ora-storage02 kernel: [  861.536779] INFO: task kworker/u132:0:921 blocked for more than 120 seconds.
Jan 17 16:36:36 ora-storage02 kernel: [  861.536987]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:36:36 ora-storage02 kernel: [  861.537218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:36:36 ora-storage02 kernel: [  861.537465] kworker/u132:0  D    0   921      2 0x80000080
Jan 17 16:36:36 ora-storage02 kernel: [  861.537467] Workqueue: isert_comp_wq isert_do_control_comp [ib_isert]
Jan 17 16:36:36 ora-storage02 kernel: [  861.537468] Call Trace:
Jan 17 16:36:36 ora-storage02 kernel: [  861.537470]  ? __schedule+0x290/0x760
Jan 17 16:36:36 ora-storage02 kernel: [  861.537472]  schedule+0x29/0xc0
Jan 17 16:36:36 ora-storage02 kernel: [  861.537474]  schedule_timeout+0x1ee/0x3a0
Jan 17 16:36:36 ora-storage02 kernel: [  861.537475]  ? __wake_up_common+0x76/0x170
Jan 17 16:36:36 ora-storage02 kernel: [  861.537477]  wait_for_completion+0x12c/0x190
Jan 17 16:36:36 ora-storage02 kernel: [  861.537478]  ? wake_up_q+0x70/0x70
Jan 17 16:36:36 ora-storage02 kernel: [  861.537483]  iscsit_logout_post_handler+0x172/0x210 [iscsi_target_mod]
Jan 17 16:36:36 ora-storage02 kernel: [  861.537485]  process_one_work+0x195/0x3d0
Jan 17 16:36:36 ora-storage02 kernel: [  861.537486]  worker_thread+0x30/0x390
Jan 17 16:36:36 ora-storage02 kernel: [  861.537488]  ? process_one_work+0x3d0/0x3d0
Jan 17 16:36:36 ora-storage02 kernel: [  861.537489]  kthread+0x113/0x130
Jan 17 16:36:36 ora-storage02 kernel: [  861.537490]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:36:36 ora-storage02 kernel: [  861.537491]  ret_from_fork+0x1f/0x40
Jan 17 16:37:30 ora-storage02 systemd[1]: Starting Cleanup of Temporary Directories...
Jan 17 16:37:30 ora-storage02 systemd-tmpfiles[3047]: /usr/lib/tmpfiles.d/pesign.conf:1: Line references path below legacy directory /var/run/, updating /var/run/pesign → /run/pesign; please update the tmpfiles.d/ drop-in file accordingly.
Jan 17 16:37:30 ora-storage02 systemd[1]: systemd-tmpfiles-clean.service: Succeeded.
Jan 17 16:37:30 ora-storage02 systemd[1]: Started Cleanup of Temporary Directories.
Jan 17 16:37:30 ora-storage02 audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-tmpfiles-clean comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Jan 17 16:37:30 ora-storage02 audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-tmpfiles-clean comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Jan 17 16:38:39 ora-storage02 kernel: [  984.417277] INFO: task kworker/u132:0:921 blocked for more than 120 seconds.
Jan 17 16:38:39 ora-storage02 kernel: [  984.417484]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:38:39 ora-storage02 kernel: [  984.417719] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:38:39 ora-storage02 kernel: [  984.417963] kworker/u132:0  D    0   921      2 0x80000080
Jan 17 16:38:39 ora-storage02 kernel: [  984.417966] Workqueue: isert_comp_wq isert_do_control_comp [ib_isert]
Jan 17 16:38:39 ora-storage02 kernel: [  984.417966] Call Trace:
Jan 17 16:38:39 ora-storage02 kernel: [  984.417969]  ? __schedule+0x290/0x760
Jan 17 16:38:39 ora-storage02 kernel: [  984.417970]  schedule+0x29/0xc0
Jan 17 16:38:39 ora-storage02 kernel: [  984.417972]  schedule_timeout+0x1ee/0x3a0
Jan 17 16:38:39 ora-storage02 kernel: [  984.417973]  ? __wake_up_common+0x76/0x170
Jan 17 16:38:39 ora-storage02 kernel: [  984.417975]  wait_for_completion+0x12c/0x190
Jan 17 16:38:39 ora-storage02 kernel: [  984.417977]  ? wake_up_q+0x70/0x70
Jan 17 16:38:39 ora-storage02 kernel: [  984.417981]  iscsit_logout_post_handler+0x172/0x210 [iscsi_target_mod]
Jan 17 16:38:39 ora-storage02 kernel: [  984.417983]  process_one_work+0x195/0x3d0
Jan 17 16:38:39 ora-storage02 kernel: [  984.417985]  worker_thread+0x30/0x390
Jan 17 16:38:39 ora-storage02 kernel: [  984.417986]  ? process_one_work+0x3d0/0x3d0
Jan 17 16:38:39 ora-storage02 kernel: [  984.417987]  kthread+0x113/0x130
Jan 17 16:38:39 ora-storage02 kernel: [  984.417988]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:38:39 ora-storage02 kernel: [  984.417989]  ret_from_fork+0x1f/0x40
Jan 17 16:38:39 ora-storage02 kernel: [  984.418001] INFO: task iscsi_ttx:3031 blocked for more than 120 seconds.
Jan 17 16:38:39 ora-storage02 kernel: [  984.418197]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:38:39 ora-storage02 kernel: [  984.418435] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:38:39 ora-storage02 kernel: [  984.418675] iscsi_ttx       D    0  3031      2 0x80000084
Jan 17 16:38:39 ora-storage02 kernel: [  984.418676] Call Trace:
Jan 17 16:38:39 ora-storage02 kernel: [  984.418678]  ? __schedule+0x290/0x760
Jan 17 16:38:39 ora-storage02 kernel: [  984.418680]  schedule+0x29/0xc0
Jan 17 16:38:39 ora-storage02 kernel: [  984.418682]  schedule_timeout+0x179/0x3a0
Jan 17 16:38:39 ora-storage02 kernel: [  984.418684]  ? __next_timer_interrupt+0xc0/0xc0
Jan 17 16:38:39 ora-storage02 kernel: [  984.418685]  ? prepare_to_wait_event+0x7d/0x150
Jan 17 16:38:39 ora-storage02 kernel: [  984.418692]  target_wait_for_sess_cmds+0x76/0x180 [target_core_mod]
Jan 17 16:38:39 ora-storage02 kernel: [  984.418694]  ? finish_wait+0x80/0x80
Jan 17 16:38:39 ora-storage02 kernel: [  984.418699]  iscsit_close_connection+0x287/0x940 [iscsi_target_mod]
Jan 17 16:38:39 ora-storage02 kernel: [  984.418700]  ? __schedule+0x298/0x760
Jan 17 16:38:39 ora-storage02 kernel: [  984.418704]  ? iscsit_thread_get_cpumask+0xb0/0xb0 [iscsi_target_mod]
Jan 17 16:38:39 ora-storage02 kernel: [  984.418709]  iscsit_take_action_for_connection_exit+0x7a/0x100 [iscsi_target_mod]
Jan 17 16:38:39 ora-storage02 kernel: [  984.418713]  iscsi_target_tx_thread+0x163/0x1f0 [iscsi_target_mod]
Jan 17 16:38:39 ora-storage02 kernel: [  984.418715]  ? finish_wait+0x80/0x80
Jan 17 16:38:39 ora-storage02 kernel: [  984.418716]  kthread+0x113/0x130
Jan 17 16:38:39 ora-storage02 kernel: [  984.418717]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:38:39 ora-storage02 kernel: [  984.418718]  ret_from_fork+0x1f/0x40
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.297778] INFO: task kworker/u132:0:921 blocked for more than 120 seconds.
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.297986]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298462] kworker/u132:0  D    0   921      2 0x80000080
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298465] Workqueue: isert_comp_wq isert_do_control_comp [ib_isert]
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298466] Call Trace:
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298468]  ? __schedule+0x290/0x760
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298469]  schedule+0x29/0xc0
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298471]  schedule_timeout+0x1ee/0x3a0
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298472]  ? __wake_up_common+0x76/0x170
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298474]  wait_for_completion+0x12c/0x190
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298476]  ? wake_up_q+0x70/0x70
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298480]  iscsit_logout_post_handler+0x172/0x210 [iscsi_target_mod]
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298482]  process_one_work+0x195/0x3d0
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298483]  worker_thread+0x30/0x390
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298484]  ? process_one_work+0x3d0/0x3d0
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298485]  kthread+0x113/0x130
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298487]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298488]  ret_from_fork+0x1f/0x40
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298499] INFO: task iscsi_ttx:3024 blocked for more than 120 seconds.
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298694]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.298933] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299171] iscsi_ttx       D    0  3024      2 0x80000084
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299173] Call Trace:
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299175]  ? __schedule+0x290/0x760
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299176]  schedule+0x29/0xc0
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299178]  schedule_timeout+0x179/0x3a0
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299179]  ? __next_timer_interrupt+0xc0/0xc0
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299181]  ? prepare_to_wait_event+0x7d/0x150
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299187]  target_wait_for_sess_cmds+0x76/0x180 [target_core_mod]
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299189]  ? finish_wait+0x80/0x80
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299194]  iscsit_close_connection+0x287/0x940 [iscsi_target_mod]
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299196]  ? __schedule+0x298/0x760
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299200]  ? iscsit_thread_get_cpumask+0xb0/0xb0 [iscsi_target_mod]
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299204]  iscsit_take_action_for_connection_exit+0xec/0x100 [iscsi_target_mod]
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299209]  iscsi_target_tx_thread+0x163/0x1f0 [iscsi_target_mod]
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299211]  ? finish_wait+0x80/0x80
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299212]  kthread+0x113/0x130
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299213]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:40:42 ora-storage02 kernel: [ 1107.299214]  ret_from_fork+0x1f/0x40
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178275] INFO: task kworker/u132:0:921 blocked for more than 120 seconds.
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178483]       Tainted: G        W         4.19.90-2112.1.0.0126.fos.x86_64 #1
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178714] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178960] kworker/u132:0  D    0   921      2 0x80000080
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178963] Workqueue: isert_comp_wq isert_do_control_comp [ib_isert]
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178963] Call Trace:
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178966]  ? __schedule+0x290/0x760
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178967]  schedule+0x29/0xc0
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178969]  schedule_timeout+0x1ee/0x3a0
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178970]  ? __wake_up_common+0x76/0x170
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178972]  wait_for_completion+0x12c/0x190
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178973]  ? wake_up_q+0x70/0x70
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178978]  iscsit_logout_post_handler+0x172/0x210 [iscsi_target_mod]
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178979]  process_one_work+0x195/0x3d0
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178981]  worker_thread+0x30/0x390
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178982]  ? process_one_work+0x3d0/0x3d0
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178983]  kthread+0x113/0x130
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178984]  ? kthread_create_worker_on_cpu+0x70/0x70
Jan 17 16:42:45 ora-storage02 kernel: [ 1230.178985]  ret_from_fork+0x1f/0x40
Jan 17 16:44:37 ora-storage02 kernel: [ 1341.659629] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:44:37 ora-storage02 kernel: [ 1341.660466] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:44:37 ora-storage02 kernel: [ 1341.661734] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:44:37 ora-storage02 kernel: [ 1341.663802] iSCSI/iqn.2022-01.com.dbn01: Unsupported SCSI Opcode 0xa3, sending CHECK_CONDITION.
Jan 17 16:55:37 ora-storage02 kernel: [ 2002.277395] iSCSI Login timeout on Network Portal 0.0.0.0:3260
Jan 17 17:07:44 ora-storage02 systemd[1]: Reloading.
Jan 17 17:07:44 ora-storage02 systemd-rc-local-generator[3116]: [ 2728.603674] /etc/rc.d/rc.local is not marked executable, skipping.
Jan 17 17:07:44 ora-storage02 systemd[1]: /usr/lib/systemd/system/dbus.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/dbus/system_bus_socket → /run/dbus/system_bus_socket; please update the unit file accordingly.
Jan 17 17:07:44 ora-storage02 systemd[1]: Starting Restore LIO kernel target configuration...

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