***************** crashinfo --stacksummary ***************** /exports/testreports/70238/testresults/sanityn-zfs-rocky8.10_x86_64-rocky8.10_x86_64-retry5/oleg339-server-timeout-core (4.18.0rh8.10-debug) ------- 106 stacks like that: ---------- #0 __schedule #1 schedule #2 taskq_thread #3 kthread #4 ret_from_fork youngest=0s(pid=5611), oldest=3236s(pid=2342) ........................ arc_prune 1 times dbu_evict 1 times dp_sync_taskq 2 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 5 times z_null_int 3 times z_null_iss 3 times z_prefetch 3 times z_rd_int 7 times z_rd_iss 3 times z_trim_int 3 times z_trim_iss 9 times z_unlinked_drai 3 times z_upgrade 3 times z_vdev_file 1 times z_wr_int 9 times z_wr_iss 6 times z_zrele 3 times z_zvol 3 times zvol_tq-0 1 times ------- 66 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_wait_event #3 ptlrpc_main #4 kthread #5 ret_from_fork youngest=0s(pid=9195), oldest=3117s(pid=6690) ........................ ldlm_cb00_000 1 times ldlm_cb00_001 1 times ldlm_cn00_000 1 times ldlm_cn00_001 1 times ldlm_cn00_002 1 times ldlm_cn00_003 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_005 1 times ll_ost00_006 1 times ll_ost00_007 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_io00_011 1 times ll_ost_io00_012 1 times ll_ost_io00_013 1 times ll_ost_io00_014 1 times ll_ost_io00_015 1 times ll_ost_io00_016 1 times ll_ost_io00_017 1 times ll_ost_io00_018 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 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_out00_000 1 times mdt_out00_001 1 times mdt_rdpg00_000 1 times mdt_rdpg00_001 1 times mdt_rdpg00_002 1 times mdt_seqm_0000 1 times mdt_seqm_0001 1 times mdt_seqs_0000 1 times mdt_seqs_0001 1 times ------- 30 stacks like that: ---------- #0 __schedule #1 schedule #2 worker_thread #3 kthread #4 ret_from_fork youngest=0s(pid=64506), oldest=3262s(pid=654) ........................ kworker/0:0 1 times kworker/0:0H 1 times kworker/0:1 1 times kworker/0:1H 1 times kworker/0:2 1 times kworker/0:3 1 times kworker/0:4 1 times kworker/1:0 1 times kworker/1:1 1 times kworker/1:1H 1 times kworker/1:2 1 times kworker/1:2H 1 times kworker/1:3 1 times kworker/2:0 1 times kworker/2:0H 1 times kworker/2:1 1 times kworker/2:1H 1 times kworker/2:2 1 times kworker/2:3 1 times kworker/2:4 1 times kworker/3:0 1 times kworker/3:0H 1 times kworker/3:1 1 times kworker/3:1H 1 times kworker/3:2 1 times kworker/3:3 1 times kworker/u8:1 1 times kworker/u8:2 1 times kworker/u8:4 1 times kworker/u9:1 1 times ------- 27 stacks like that: ---------- #0 __schedule #1 schedule #2 rescuer_thread #3 kthread #4 ret_from_fork youngest=3261s(pid=669), oldest=3272s(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 ------- 16 stacks like that: ---------- #0 __schedule #1 schedule #2 smpboot_thread_fn #3 kthread #4 ret_from_fork youngest=0s(pid=31), oldest=3259s(pid=23) ........................ 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=3104s(pid=7458), oldest=3139s(pid=5657) ........................ raidz_expand 3 times z_checkpoint_di 3 times z_indirect_cond 3 times z_livelist_cond 3 times z_livelist_dest 3 times ------- 14 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=64534), oldest=3256s(pid=1023) ........................ NetworkManager 1 times gdbus 2 times gmain 3 times irqbalance 1 times polkitd 2 times rngd 1 times rpcbind 1 times sshd 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=51s(pid=1100), oldest=3256s(pid=1051) ........................ JS Helper 4 times gssproxy 5 times rs:main Q:Reg 1 times ------- 8 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=1368), oldest=3254s(pid=1060) ........................ agetty 3 times dhclient 1 times sshd 2 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=787), oldest=3256s(pid=1044) ........................ 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 schedule_timeout #3 wait_woken #4 ptlrpcd #5 kthread #6 ret_from_fork youngest=0s(pid=3300), oldest=3093s(pid=3297) ........................ ptlrpcd_00_00 1 times ptlrpcd_00_01 1 times ptlrpcd_00_02 1 times ptlrpcd_00_03 1 times ptlrpcd_rcv 1 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 qsd_upd_thread #4 kthread #5 ret_from_fork youngest=27s(pid=7633), oldest=60s(pid=5871) ........................ 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=3089s(pid=3288), oldest=3135s(pid=3289) ........................ 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=5656), oldest=0s(pid=7453) ........................ mmp 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=5654), oldest=3s(pid=6507) ........................ txg_quiesce 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 ksocknal_scheduler #3 kthread #4 ret_from_fork youngest=0s(pid=3293), oldest=0s(pid=3292) ........................ socknal_sd00_00 1 times socknal_sd00_01 1 times socknal_sd00_02 1 times ------- 3 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=3272s(pid=0), oldest=3272s(pid=0) ........................ swapper/1 1 times swapper/2 1 times swapper/3 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 osp_precreate_thread #3 kthread #4 ret_from_fork youngest=0s(pid=6898), oldest=0s(pid=8083) ........................ 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=103s(pid=8082), oldest=134s(pid=6896) ........................ osp-syn-0-0 1 times osp-syn-1-0 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ofd_id_repair_thread_main #3 kthread #4 ret_from_fork youngest=3101s(pid=7627), oldest=3117s(pid=6698) ........................ 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=3101s(pid=7626), oldest=3117s(pid=6697) ........................ inconsistency_v 2 times ------- 2 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=3s(pid=7452), oldest=3s(pid=6508) ........................ txg_sync 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 mgs_ir_notify #3 kthread #4 ret_from_fork youngest=3101s(pid=5855), oldest=3135s(pid=5830) ........................ mgs_lustre_noti 1 times mgs_params_noti 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ldlm_bl_thread_main #3 kthread #4 ret_from_fork youngest=0s(pid=5828), oldest=1s(pid=5827) ........................ ldlm_bl_01 1 times ldlm_bl_02 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_hr_main #3 kthread #4 ret_from_fork youngest=0s(pid=3284), oldest=0s(pid=3285) ........................ 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=2348), oldest=0s(pid=2349) ........................ 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=3267s(pid=450), oldest=3267s(pid=466) ........................ 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=3272s(pid=11), oldest=3272s(pid=10) ........................ rcu_tasks_rude_ 1 times rcu_tasks_trace 1 times ------- 1 stacks like that: ---------- #-1 native_halt #0 kvm_wait #1 __pv_queued_spin_lock_slowpath #2 do_raw_spin_lock #3 _raw_spin_lock #4 __schedule #5 schedule #6 taskq_thread #7 kthread #8 ret_from_fork youngest=0s(pid=64530), oldest=0s(pid=64530) ........................ z_wr_iss 1 times ------- 1 stacks like that: ---------- #-1 __pv_queued_spin_lock_slowpath #0 do_raw_spin_lock #1 _raw_spin_lock_irqsave #2 taskq_thread #3 kthread #4 ret_from_fork youngest=0s(pid=64518), oldest=0s(pid=64518) ........................ z_wr_iss 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 sigsuspend #3 __x64_sys_rt_sigsuspend #4 do_syscall_64 #5 entry_SYSCALL_64_after_hwframe youngest=1112s(pid=44938), oldest=1112s(pid=44938) ........................ anacron 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 distribute_txn_commit_thread #4 kthread #5 ret_from_fork youngest=3134s(pid=5872), oldest=3134s(pid=5872) ........................ dist_txn-0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mdt_restriper_main #3 kthread #4 ret_from_fork youngest=3134s(pid=5865), oldest=3134s(pid=5865) ........................ mdt_restriper_0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 qmt_reba_thread #3 kthread #4 ret_from_fork youngest=3134s(pid=5863), oldest=3134s(pid=5863) ........................ qmt_reba_lustre 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mgc_requeue_thread #3 kthread #4 ret_from_fork youngest=3001s(pid=5836), oldest=3001s(pid=5836) ........................ ll_cfg_requeue 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ping_evictor_main #3 kthread #4 ret_from_fork youngest=1s(pid=5835), oldest=1s(pid=5835) ........................ ll_evictor 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 expired_lock_main #3 kthread #4 ret_from_fork youngest=1952s(pid=5829), oldest=1952s(pid=5829) ........................ ldlm_elt 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 io_schedule_timeout #4 __cv_timedwait_common #5 __cv_timedwait_io #6 zio_wait #7 dsl_pool_sync #8 spa_sync_iterate_to_convergence #9 spa_sync #10 txg_sync_thread #11 thread_generic_wrapper #12 kthread #13 ret_from_fork youngest=0s(pid=5655), oldest=0s(pid=5655) ........................ txg_sync 1 times ------- 1 stacks like that: ---------- #-1 native_halt #0 kvm_wait #1 __pv_queued_spin_lock_slowpath #2 do_raw_spin_lock #3 _raw_spin_lock #4 __task_rq_lock #5 try_to_wake_up #6 default_wake_function #7 __wake_up_common #8 __wake_up_common_lock #9 __wake_up #10 taskq_dispatch_ent #11 spa_taskq_dispatch #12 zio_taskq_dispatch #13 zio_issue_async #14 zio_nowait #15 dbuf_sync_indirect #16 dbuf_sync_list #17 dnode_sync #18 sync_dnodes_task #19 taskq_thread #20 kthread #21 ret_from_fork youngest=0s(pid=5632), oldest=0s(pid=5632) ........................ dp_sync_taskq 1 times ------- 1 stacks like that: ---------- #0 __pv_queued_spin_unlock_slowpath #1 __raw_callee_save___pv_queued_spin_unlock_slowpath #2 .slowpath #3 do_raw_spin_unlock #4 _raw_spin_unlock #5 load_balance #6 newidle_balance #7 pick_next_task_fair #8 __schedule #9 schedule #10 taskq_thread #11 kthread #12 ret_from_fork youngest=0s(pid=5614), oldest=0s(pid=5614) ........................ z_wr_iss 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=3296), oldest=0s(pid=3296) ........................ 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=3295), oldest=0s(pid=3295) ........................ monitor_thread 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 lnet_acceptor #3 kthread #4 ret_from_fork youngest=3089s(pid=3294), oldest=3089s(pid=3294) ........................ 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=3290), oldest=0s(pid=3290) ........................ 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=2353), oldest=0s(pid=2353) ........................ 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=2351), oldest=0s(pid=2351) ........................ 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=1098), oldest=0s(pid=1098) ........................ 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=67s(pid=1082), oldest=67s(pid=1082) ........................ 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=33s(pid=1055), oldest=33s(pid=1055) ........................ crond 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 nfs41_callback_svc #3 kthread #4 ret_from_fork youngest=3254s(pid=980), oldest=3254s(pid=980) ........................ NFSv4 callback 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kjournald2 #3 kthread #4 ret_from_fork youngest=3261s(pid=668), oldest=3261s(pid=668) ........................ 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=805s(pid=651), oldest=805s(pid=651) ........................ kworker/u9:0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kswapd #3 kthread #4 ret_from_fork youngest=3269s(pid=71), oldest=3269s(pid=71) ........................ kswapd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kthread_worker_fn #3 kthread #4 ret_from_fork youngest=3271s(pid=58), oldest=3271s(pid=58) ........................ watchdogd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 khugepaged #4 kthread #5 ret_from_fork youngest=9s(pid=48), oldest=9s(pid=48) ........................ khugepaged 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ksm_scan_thread #3 kthread #4 ret_from_fork youngest=3272s(pid=47), oldest=3272s(pid=47) ........................ ksmd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kcompactd #3 kthread #4 ret_from_fork youngest=3272s(pid=46), oldest=3272s(pid=46) ........................ kcompactd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 oom_reaper #3 kthread #4 ret_from_fork youngest=3272s(pid=44), oldest=3272s(pid=44) ........................ 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=76s(pid=43), oldest=76s(pid=43) ........................ khungtaskd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 devtmpfsd #3 kthread #4 ret_from_fork youngest=3163s(pid=39), oldest=3163s(pid=39) ........................ kdevtmpfs 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 rcu_gp_kthread #3 kthread #4 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=1s(pid=2), oldest=1s(pid=2) ........................ kthreadd 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=3272s(pid=0), oldest=3272s(pid=0) ........................ swapper/0 1 times ** Execution took 2.19s (real) 0.61s (CPU), Child processes: 1.59s