***************** crashinfo --stacksummary ***************** /exports/testreports/63012/testresults/sanity2-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg133-server-timeout-core (4.18.0rh8.10-debug) ------- 102 stacks like that: ---------- #0 __schedule #1 schedule #2 taskq_thread #3 kthread #4 ret_from_fork youngest=0s(pid=2412), oldest=16865s(pid=2411) ........................ arc_prune 1 times dbu_evict 1 times dp_sync_taskq 3 times dp_zil_clean_ta 12 times spl_delay_taskq 1 times spl_dynamic_tas 1 times spl_kmem_cache 1 times spl_system_task 1 times tx_commit_cb 3 times z_cl_int 3 times z_cl_iss 3 times z_flush_int 3 times z_flush_iss 3 times z_fr_int 3 times z_fr_iss 3 times z_metaslab 6 times z_null_int 3 times z_null_iss 3 times z_prefetch 3 times z_rd_int 4 times z_rd_iss 3 times z_trim_int 3 times z_trim_iss 3 times z_unlinked_drai 3 times z_upgrade 3 times z_vdev_file 1 times z_wr_int 9 times z_wr_iss 9 times z_zrele 3 times z_zvol 3 times zvol_tq-0 1 times ------- 85 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_wait_event #3 ptlrpc_main #4 kthread #5 ret_from_fork youngest=0s(pid=12575), oldest=16474s(pid=6657) ........................ ldlm_cb00_000 1 times ldlm_cb00_001 1 times ldlm_cb00_002 1 times ldlm_cn00_000 1 times ldlm_cn00_001 1 times ldlm_cn00_002 1 times ldlm_cn00_003 1 times ldlm_cn00_004 1 times ldlm_cn00_005 1 times ldlm_cn00_006 1 times ldlm_cn00_007 1 times ldlm_cn00_008 1 times ldlm_cn00_009 1 times ll_mgs_0000 1 times ll_mgs_0001 1 times ll_mgs_0002 1 times ll_ost00_000 1 times ll_ost00_001 1 times ll_ost00_002 1 times ll_ost00_003 1 times ll_ost00_004 1 times ll_ost00_006 1 times ll_ost00_007 1 times ll_ost00_008 1 times ll_ost00_009 1 times ll_ost00_010 1 times ll_ost00_011 1 times ll_ost00_012 1 times ll_ost00_013 1 times ll_ost00_014 1 times ll_ost00_015 1 times ll_ost00_016 1 times ll_ost00_017 1 times ll_ost00_018 1 times ll_ost00_019 1 times ll_ost00_022 1 times ll_ost_create00 3 times ll_ost_io00_000 1 times ll_ost_io00_001 1 times ll_ost_io00_002 1 times ll_ost_io00_003 1 times ll_ost_io00_004 1 times ll_ost_io00_005 1 times ll_ost_io00_006 1 times ll_ost_io00_007 1 times ll_ost_io00_008 1 times ll_ost_io00_009 1 times ll_ost_io00_010 1 times ll_ost_out00_00 2 times ll_ost_seq00_00 2 times mdt00_000 1 times mdt00_001 1 times mdt00_002 1 times mdt00_003 1 times mdt00_004 1 times mdt00_005 1 times mdt00_006 1 times mdt00_007 1 times mdt00_008 1 times mdt00_009 1 times mdt_fld_0000 1 times mdt_fld_0001 1 times mdt_io00_000 1 times mdt_io00_001 1 times mdt_io00_002 1 times mdt_io00_003 1 times mdt_out00_000 1 times mdt_out00_001 1 times mdt_out00_002 1 times mdt_out00_003 1 times mdt_out00_004 1 times mdt_out00_005 1 times mdt_out00_006 1 times mdt_rdpg00_000 1 times mdt_rdpg00_001 1 times mdt_rdpg00_002 1 times mdt_rdpg00_003 1 times mdt_seqm_0000 1 times mdt_seqm_0001 1 times mdt_seqs_0000 1 times mdt_seqs_0001 1 times ------- 27 stacks like that: ---------- #0 __schedule #1 schedule #2 rescuer_thread #3 kthread #4 ret_from_fork youngest=16864s(pid=50), oldest=17099s(pid=3) ........................ acpi_thermal_pm 1 times ata_sff 1 times blkcg_punt_bio 1 times crypto 1 times edac-poller 1 times ext4-rsv-conver 1 times ipv6_addrconf 1 times kblockd 1 times kintegrityd 1 times knbd0-recv 1 times kstrp 1 times kthrotld 1 times md 1 times md_bitmap 1 times mm_percpu_wq 1 times netns 1 times nfsiod 1 times rcu_gp 1 times rcu_par_gp 1 times rpciod 1 times scsi_tmf_0 1 times scsi_tmf_1 1 times slub_flushwq 1 times tpm_dev_wq 1 times writeback 1 times xprtiod 1 times zswap-shrink 1 times ------- 26 stacks like that: ---------- #0 __schedule #1 schedule #2 worker_thread #3 kthread #4 ret_from_fork youngest=0s(pid=75899), oldest=17037s(pid=663) ........................ kworker/0:0 1 times kworker/0:0H 1 times kworker/0:1 1 times kworker/0:2 1 times kworker/0:2H 1 times kworker/0:3 1 times kworker/1:0 1 times kworker/1:0H 1 times kworker/1:1 1 times kworker/1:2 1 times kworker/1:2H 1 times kworker/1:3 1 times kworker/2:0H 1 times kworker/2:1 1 times kworker/2:2 1 times kworker/2:2H 1 times kworker/3:0 1 times kworker/3:1 1 times kworker/3:1H 1 times kworker/3:2 1 times kworker/3:2H 1 times kworker/3:3 1 times kworker/u8:0 1 times kworker/u8:1 1 times kworker/u8:3 1 times kworker/u9:1 1 times ------- 16 stacks like that: ---------- #0 __schedule #1 schedule #2 smpboot_thread_fn #3 kthread #4 ret_from_fork youngest=0s(pid=14), oldest=17009s(pid=17) ........................ cpuhp/0 1 times cpuhp/1 1 times cpuhp/2 1 times cpuhp/3 1 times ksoftirqd/0 1 times ksoftirqd/1 1 times ksoftirqd/2 1 times ksoftirqd/3 1 times migration/0 1 times migration/1 1 times migration/2 1 times migration/3 1 times watchdog/0 1 times watchdog/1 1 times watchdog/2 1 times watchdog/3 1 times ------- 15 stacks like that: ---------- #0 __schedule #1 schedule #2 cv_wait_common #3 __cv_wait_idle #4 zthr_procedure #5 thread_generic_wrapper #6 kthread #7 ret_from_fork youngest=14118s(pid=23306), oldest=16545s(pid=5720) ........................ raidz_expand 3 times z_checkpoint_di 3 times z_indirect_cond 3 times z_livelist_cond 3 times z_livelist_dest 3 times ------- 13 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout.constprop.11 #5 do_sys_poll #6 __x64_sys_poll #7 do_syscall_64 #8 entry_SYSCALL_64_after_hwframe youngest=0s(pid=1019), oldest=16981s(pid=1025) ........................ NetworkManager 1 times gdbus 2 times gmain 3 times irqbalance 1 times polkitd 2 times rngd 1 times rpcbind 1 times tuned 2 times ------- 10 stacks like that: ---------- #0 __schedule #1 schedule #2 futex_wait_queue_me #3 futex_wait #4 do_futex #5 __x64_sys_futex #6 do_syscall_64 #7 entry_SYSCALL_64_after_hwframe youngest=88s(pid=1117), oldest=16975s(pid=1057) ........................ JS Helper 4 times gssproxy 5 times rs:main Q:Reg 1 times ------- 7 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout.constprop.11 #5 do_select #6 core_sys_select #7 kern_select #8 __x64_sys_select #9 do_syscall_64 #10 entry_SYSCALL_64_after_hwframe youngest=0s(pid=1373), oldest=16969s(pid=1072) ........................ agetty 3 times dhclient 1 times sshd 1 times tuned 2 times ------- 6 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 ep_poll #5 do_epoll_wait #6 __x64_sys_epoll_wait #7 do_syscall_64 #8 entry_SYSCALL_64_after_hwframe youngest=51s(pid=1), oldest=16975s(pid=1050) ........................ dbus-daemon 1 times gssproxy 1 times systemd 1 times systemd-journal 1 times systemd-logind 1 times systemd-udevd 1 times ------- 5 stacks like that: ---------- #0 __schedule #1 schedule #2 ldlm_bl_thread_main #3 kthread #4 ret_from_fork youngest=0s(pid=69299), oldest=0s(pid=5844) ........................ ldlm_bl_01 1 times ldlm_bl_02 1 times ldlm_bl_03 1 times ldlm_bl_04 1 times ldlm_bl_05 1 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 qsd_upd_thread #4 kthread #5 ret_from_fork youngest=13s(pid=7542), oldest=58s(pid=5888) ........................ lquota_wb_lustr 4 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 ksocknal_connd #4 kthread #5 ret_from_fork youngest=16378s(pid=3335), oldest=16531s(pid=3333) ........................ socknal_cd00 1 times socknal_cd01 1 times socknal_cd02 1 times socknal_cd03 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 cv_timedwait_hires_common #5 cv_timedwait_idle_hires #6 mmp_thread #7 thread_generic_wrapper #8 kthread #9 ret_from_fork youngest=0s(pid=5718), oldest=0s(pid=23302) ........................ mmp 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 __cv_timedwait_common #4 __cv_timedwait_idle #5 txg_sync_thread #6 thread_generic_wrapper #7 kthread #8 ret_from_fork youngest=0s(pid=23301), oldest=4s(pid=7405) ........................ txg_sync 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 cv_wait_common #3 __cv_wait_idle #4 txg_quiesce_thread #5 thread_generic_wrapper #6 kthread #7 ret_from_fork youngest=0s(pid=23300), oldest=4s(pid=7404) ........................ txg_quiesce 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 wait_woken #4 ptlrpcd #5 kthread #6 ret_from_fork youngest=0s(pid=3345), oldest=13470s(pid=3343) ........................ ptlrpcd_00_00 1 times ptlrpcd_00_01 1 times ptlrpcd_rcv 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 ksocknal_scheduler #3 kthread #4 ret_from_fork youngest=1s(pid=3339), oldest=1s(pid=3338) ........................ socknal_sd00_00 1 times socknal_sd00_01 1 times socknal_sd00_02 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ofd_id_repair_thread_main #3 kthread #4 ret_from_fork youngest=14109s(pid=23428), oldest=16417s(pid=7537) ........................ ofd_id_repair 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ofd_inconsistency_verification_main #3 kthread #4 ret_from_fork youngest=14109s(pid=23427), oldest=16417s(pid=7536) ........................ inconsistency_v 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 osp_precreate_thread #3 kthread #4 ret_from_fork youngest=3s(pid=7613), oldest=4s(pid=6745) ........................ osp-pre-0-0 1 times osp-pre-1-0 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 osp_sync_process_queues #3 llog_process_thread #4 llog_process_or_fork #5 llog_cat_process_cb #6 llog_process_thread #7 llog_process_or_fork #8 llog_cat_process_or_fork #9 llog_cat_process #10 osp_sync_thread #11 kthread #12 ret_from_fork youngest=0s(pid=7612), oldest=0s(pid=6744) ........................ osp-syn-0-0 1 times osp-syn-1-0 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 mgs_ir_notify #3 kthread #4 ret_from_fork youngest=14108s(pid=5872), oldest=16531s(pid=5847) ........................ mgs_lustre_noti 1 times mgs_params_noti 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_hr_main #3 kthread #4 ret_from_fork youngest=0s(pid=3331), oldest=1s(pid=3330) ........................ ptlrpc_hr00_000 1 times ptlrpc_hr00_001 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 cv_timedwait_hires_common #5 cv_timedwait_idle_hires #6 zthr_procedure #7 thread_generic_wrapper #8 kthread #9 ret_from_fork youngest=0s(pid=2421), oldest=0s(pid=2420) ........................ arc_evict 1 times arc_reap 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 scsi_error_handler #3 kthread #4 ret_from_fork youngest=17053s(pid=491), oldest=17053s(pid=469) ........................ scsi_eh_0 1 times scsi_eh_1 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 rcu_tasks_kthread #3 kthread #4 ret_from_fork youngest=17099s(pid=11), oldest=17099s(pid=10) ........................ rcu_tasks_rude_ 1 times rcu_tasks_trace 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule_idle #2 do_idle #3 cpu_startup_entry #4 start_secondary #5 secondary_startup_64_no_verify youngest=17099s(pid=0), oldest=17099s(pid=0) ........................ swapper/1 1 times swapper/3 1 times ------- 1 stacks like that: ---------- #-1 irq_enter #0 smp_apic_timer_interrupt #1 apic_timer_interrupt #2 apic_timer_interrupt #-1 format_decode #3 vsnprintf #4 snprintf #5 libcfs_debug_msg #6 _ldlm_lock_debug #7 ldlm_resource_dump #8 __ldlm_resource_add_lock #9 ldlm_resource_add_lock #10 ldlm_extent_add_lock #11 ldlm_grant_lock #12 ldlm_process_extent_lock #13 ldlm_lock_enqueue #14 ldlm_cli_enqueue_local #15 ofd_destroy_by_fid #16 ofd_destroy_hdl #17 tgt_handle_request0 #18 tgt_request_handle #19 ptlrpc_server_handle_request #20 ptlrpc_main #21 kthread #22 ret_from_fork youngest=0s(pid=54031), oldest=0s(pid=54031) ........................ ll_ost00_021 1 times ------- 1 stacks like that: ---------- #-1 format_decode #0 vsnprintf #1 snprintf #2 libcfs_debug_msg #3 ptlrpc_server_request_add #4 ptlrpc_server_handle_req_in #5 ptlrpc_main #6 kthread #7 ret_from_fork youngest=0s(pid=54030), oldest=0s(pid=54030) ........................ ll_ost00_020 1 times ------- 1 stacks like that: ---------- #-1 put_dec #0 number #1 vsnprintf #2 libcfs_debug_msg #3 lu_object_find_at #4 lu_object_find #5 ofd_object_find #6 ofd_lvbo_init #7 ldlm_cli_enqueue_local #8 ofd_destroy_by_fid #9 ofd_destroy_hdl #10 tgt_handle_request0 #11 tgt_request_handle #12 ptlrpc_server_handle_request #13 ptlrpc_main #14 kthread #15 ret_from_fork youngest=0s(pid=12546), oldest=0s(pid=12546) ........................ ll_ost00_005 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 distribute_txn_commit_thread #3 kthread #4 ret_from_fork youngest=16525s(pid=5890), oldest=16525s(pid=5890) ........................ dist_txn-0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mdt_restriper_main #3 kthread #4 ret_from_fork youngest=16527s(pid=5883), oldest=16527s(pid=5883) ........................ mdt_restriper_0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 qmt_reba_thread #3 kthread #4 ret_from_fork youngest=16528s(pid=5880), oldest=16528s(pid=5880) ........................ qmt_reba_lustre 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mgc_requeue_thread #3 kthread #4 ret_from_fork youngest=11337s(pid=5854), oldest=11337s(pid=5854) ........................ ll_cfg_requeue 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ping_evictor_main #3 kthread #4 ret_from_fork youngest=0s(pid=5852), oldest=0s(pid=5852) ........................ ll_evictor 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 expired_lock_main #3 kthread #4 ret_from_fork youngest=16532s(pid=5846), oldest=16532s(pid=5846) ........................ ldlm_elt 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 preempt_schedule_common #2 _cond_resched #3 mutex_lock #4 kick_cpu_latency #5 ptl_send_rpc #6 ptlrpc_send_new_req #7 ptlrpc_check_set #8 ptlrpcd #9 kthread #10 ret_from_fork youngest=0s(pid=3347), oldest=0s(pid=3347) ........................ ptlrpcd_00_03 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 preempt_schedule_common #2 _cond_resched #3 ptlrpc_check_set #4 ptlrpcd #5 kthread #6 ret_from_fork youngest=0s(pid=3346), oldest=0s(pid=3346) ........................ ptlrpcd_00_02 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 lnet_peer_discovery #4 kthread #5 ret_from_fork youngest=0s(pid=3342), oldest=0s(pid=3342) ........................ lnet_discovery 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 wait_for_completion_interruptible_timeout #4 lnet_monitor_thread #5 kthread #6 ret_from_fork youngest=0s(pid=3341), oldest=0s(pid=3341) ........................ monitor_thread 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 lnet_acceptor #3 kthread #4 ret_from_fork youngest=16378s(pid=3340), oldest=16378s(pid=3340) ........................ acceptor_001 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 ksocknal_reaper #4 kthread #5 ret_from_fork youngest=0s(pid=3336), oldest=0s(pid=3336) ........................ socknal_reaper 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 __cv_timedwait_common #4 __cv_timedwait_idle #5 l2arc_feed_thread #6 thread_generic_wrapper #7 kthread #8 ret_from_fork youngest=0s(pid=2425), oldest=0s(pid=2425) ........................ l2arc_feed 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 cv_timedwait_hires_common #5 cv_timedwait_idle_hires #6 dbuf_evict_thread #7 thread_generic_wrapper #8 kthread #9 ret_from_fork youngest=0s(pid=2423), oldest=0s(pid=2423) ........................ dbuf_evict 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout.constprop.11 #5 do_sys_poll #6 __x64_sys_ppoll #7 do_syscall_64 #8 entry_SYSCALL_64_after_hwframe youngest=0s(pid=1116), oldest=0s(pid=1116) ........................ in:imjournal 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout.constprop.11 #5 do_select #6 core_sys_select #7 __x64_sys_pselect6 #8 do_syscall_64 #9 entry_SYSCALL_64_after_hwframe youngest=240s(pid=1088), oldest=240s(pid=1088) ........................ rsyslogd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 do_nanosleep #3 hrtimer_nanosleep #4 __x64_sys_nanosleep #5 do_syscall_64 #6 entry_SYSCALL_64_after_hwframe youngest=28s(pid=1063), oldest=28s(pid=1063) ........................ crond 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 nfs41_callback_svc #3 kthread #4 ret_from_fork youngest=16930s(pid=983), oldest=16930s(pid=983) ........................ NFSv4 callback 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kjournald2 #3 kthread #4 ret_from_fork youngest=17036s(pid=673), oldest=17036s(pid=673) ........................ jbd2/nbd0-8 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 wait_woken #4 sk_wait_data #5 tcp_recvmsg #6 inet_recvmsg #7 sock_recvmsg #8 sock_xmit #9 nbd_read_stat #10 recv_work #11 process_one_work #12 worker_thread #13 kthread #14 ret_from_fork youngest=7697s(pid=658), oldest=7697s(pid=658) ........................ kworker/u9:0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kswapd #3 kthread #4 ret_from_fork youngest=17074s(pid=70), oldest=17074s(pid=70) ........................ kswapd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kthread_worker_fn #3 kthread #4 ret_from_fork youngest=17096s(pid=59), oldest=17096s(pid=59) ........................ watchdogd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 khugepaged #4 kthread #5 ret_from_fork youngest=3s(pid=47), oldest=3s(pid=47) ........................ khugepaged 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ksm_scan_thread #3 kthread #4 ret_from_fork youngest=17098s(pid=46), oldest=17098s(pid=46) ........................ ksmd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kcompactd #3 kthread #4 ret_from_fork youngest=17098s(pid=45), oldest=17098s(pid=45) ........................ kcompactd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 oom_reaper #3 kthread #4 ret_from_fork youngest=17098s(pid=43), oldest=17098s(pid=43) ........................ oom_reaper 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 schedule_timeout_interruptible #4 watchdog #5 kthread #6 ret_from_fork youngest=17s(pid=42), oldest=17s(pid=42) ........................ khungtaskd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 devtmpfsd #3 kthread #4 ret_from_fork youngest=16631s(pid=39), oldest=16631s(pid=39) ........................ kdevtmpfs 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 rcu_gp_kthread #4 kthread #5 ret_from_fork youngest=0s(pid=13), oldest=0s(pid=13) ........................ rcu_sched 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kthreadd #3 ret_from_fork youngest=0s(pid=2), oldest=0s(pid=2) ........................ kthreadd 1 times ------- 1 stacks like that: ---------- #-1 native_safe_halt #0 default_idle #1 arch_cpu_idle #2 default_idle_call #3 do_idle #4 cpu_startup_entry #5 start_secondary #6 secondary_startup_64_no_verify youngest=17099s(pid=0), oldest=17099s(pid=0) ........................ swapper/2 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule_idle #2 do_idle #3 cpu_startup_entry #4 rest_init #5 start_kernel #6 x86_64_start_reservations #7 x86_64_start_kernel #8 secondary_startup_64_no_verify youngest=17099s(pid=0), oldest=17099s(pid=0) ........................ swapper/0 1 times ** Execution took 2.84s (real) 0.76s (CPU), Child processes: 2.08s