***************** crashinfo --stacksummary ***************** /exports/testreports/62612/testresults/sanity-pfl-zfs-rocky8.10_x86_64-rocky8.10_x86_64-retry4/oleg203-server-vmcore (4.18.0rh8.10-debug) ------- 105 stacks like that: ---------- #0 __schedule #1 schedule #2 taskq_thread #3 kthread #4 ret_from_fork youngest=0s(pid=13775), oldest=1054s(pid=1920) ........................ 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 2 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 7 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 8 times z_wr_iss 9 times z_zrele 3 times z_zvol 3 times zvol_tq-0 1 times ------- 76 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_wait_event #3 ptlrpc_main #4 kthread #5 ret_from_fork youngest=0s(pid=12107), oldest=965s(pid=5560) ........................ 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 ldlm_cn00_004 1 times ldlm_cn00_005 1 times ldlm_cn00_006 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_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_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_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 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_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=1092s(pid=671), oldest=1104s(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 ------- 24 stacks like that: ---------- #0 __schedule #1 schedule #2 worker_thread #3 kthread #4 ret_from_fork youngest=0s(pid=13086), oldest=1092s(pid=657) ........................ 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/1:0H 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/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/3:6 1 times kworker/u8:0 1 times kworker/u8:2 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=30), oldest=1084s(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=941s(pid=7030), oldest=969s(pid=5418) ........................ 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=1023), oldest=1075s(pid=1027) ........................ 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=0s(pid=1140), oldest=1074s(pid=1057) ........................ 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=1044), oldest=1072s(pid=1068) ........................ agetty 3 times dhclient 1 times sshd 2 times tuned 2 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=3025), oldest=931s(pid=3023) ........................ ptlrpcd_00_00 1 times ptlrpcd_00_01 1 times ptlrpcd_00_02 1 times ptlrpcd_00_03 1 times ptlrpcd_rcv 1 times ------- 5 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=0s(pid=790), oldest=1074s(pid=1048) ........................ dbus-daemon 1 times gssproxy 1 times systemd-journal 1 times systemd-logind 1 times systemd-udevd 1 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 qsd_upd_thread #4 kthread #5 ret_from_fork youngest=17s(pid=7161), oldest=42s(pid=5584) ........................ lquota_wb_lustr 4 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 ldlm_bl_thread_main #3 kthread #4 ret_from_fork youngest=0s(pid=6367), oldest=0s(pid=5541) ........................ ldlm_bl_01 1 times ldlm_bl_02 1 times ldlm_bl_03 1 times ldlm_bl_04 1 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 ksocknal_connd #4 kthread #5 ret_from_fork youngest=930s(pid=3015), oldest=1023s(pid=3014) ........................ 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=7029), oldest=0s(pid=6233) ........................ 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=5415), oldest=2s(pid=6231) ........................ txg_quiesce 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 ksocknal_scheduler #3 kthread #4 ret_from_fork youngest=2s(pid=3019), oldest=2s(pid=3018) ........................ socknal_sd00_00 1 times socknal_sd00_01 1 times socknal_sd00_02 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 do_wait #3 kernel_wait4 #4 __do_sys_wait4 #5 __x64_sys_wait4 #6 do_syscall_64 #7 entry_SYSCALL_64_after_hwframe youngest=0s(pid=14448), oldest=0s(pid=14463) ........................ bash 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ofd_inconsistency_verification_main #3 kthread #4 ret_from_fork youngest=939s(pid=7156), oldest=951s(pid=6370) ........................ 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=2s(pid=7028), oldest=2s(pid=6232) ........................ txg_sync 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 mgs_ir_notify #3 kthread #4 ret_from_fork youngest=939s(pid=5569), oldest=965s(pid=5544) ........................ 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=2s(pid=3010), oldest=5s(pid=3011) ........................ 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=1927), oldest=0s(pid=1926) ........................ 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=1098s(pid=461), oldest=1098s(pid=468) ........................ 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=1104s(pid=11), oldest=1104s(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=1104s(pid=0), oldest=1104s(pid=0) ........................ swapper/1 1 times swapper/3 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 io_schedule #3 cv_wait_common #4 __cv_wait_io #5 txg_wait_synced_impl #6 txg_wait_synced #7 osd_sync #8 osd_shutdown #9 osd_process_config #10 lod_process_config #11 mdd_process_config #12 mdt_stack_fini #13 mdt_device_fini #14 class_cleanup #15 class_process_config #16 class_manual_cleanup #17 server_put_super #18 generic_shutdown_super #19 kill_anon_super #20 lustre_kill_super #21 deactivate_locked_super #22 deactivate_super #23 cleanup_mnt #24 __cleanup_mnt #25 task_work_run #26 exit_to_usermode_loop #27 do_syscall_64 #28 entry_SYSCALL_64_after_hwframe youngest=0s(pid=14464), oldest=0s(pid=14464) ........................ umount 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 do_sigtimedwait #5 __x64_sys_rt_sigtimedwait #6 do_syscall_64 #7 entry_SYSCALL_64_after_hwframe youngest=12s(pid=13985), oldest=12s(pid=13985) ........................ (sd-pam) 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 ep_poll #5 handle_mm_fault #6 do_epoll_wait #7 __x64_sys_epoll_wait #8 do_syscall_64 #9 entry_SYSCALL_64_after_hwframe youngest=0s(pid=13980), oldest=0s(pid=13980) ........................ systemd 1 times ------- 1 stacks like that: ---------- #0 crash_nmi_callback #1 nmi_handle #2 default_do_nmi #3 do_nmi #4 end_repeat_nmi #-1 smp_call_function_many_cond #5 smp_call_function_many_cond #6 on_each_cpu #7 flush_tlb_kernel_range #8 free_unmap_vmap_area #9 remove_vm_area #10 __vunmap #11 vfree #12 free_work #13 process_one_work #14 worker_thread #15 kthread #16 ret_from_fork youngest=0s(pid=13947), oldest=0s(pid=13947) ........................ kworker/1:0 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=608s(pid=13728), oldest=608s(pid=13728) ........................ anacron 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mgc_requeue_thread #3 kthread #4 ret_from_fork youngest=861s(pid=5550), oldest=861s(pid=5550) ........................ ll_cfg_requeue 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ping_evictor_main #3 kthread #4 ret_from_fork youngest=965s(pid=5549), oldest=965s(pid=5549) ........................ ll_evictor 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 expired_lock_main #3 kthread #4 ret_from_fork youngest=966s(pid=5543), oldest=966s(pid=5543) ........................ 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=5416), oldest=0s(pid=5416) ........................ txg_sync 1 times ------- 1 stacks like that: ---------- #0 crash_nmi_callback #1 nmi_handle #2 default_do_nmi #3 do_nmi #4 end_repeat_nmi #-1 __pv_queued_spin_lock_slowpath #5 __pv_queued_spin_lock_slowpath #6 do_raw_spin_lock #7 _raw_spin_lock_irqsave #8 taskq_thread #9 kthread #10 ret_from_fork youngest=0s(pid=5376), oldest=0s(pid=5376) ........................ z_wr_int 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=3022), oldest=0s(pid=3022) ........................ monitor_thread 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=3021), oldest=0s(pid=3021) ........................ lnet_discovery 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 lnet_acceptor #3 kthread #4 ret_from_fork youngest=930s(pid=3020), oldest=930s(pid=3020) ........................ 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=3016), oldest=0s(pid=3016) ........................ 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=1931), oldest=0s(pid=1931) ........................ 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=1929), oldest=0s(pid=1929) ........................ 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=1133), oldest=0s(pid=1133) ........................ 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=148s(pid=1089), oldest=148s(pid=1089) ........................ 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=8s(pid=1062), oldest=8s(pid=1062) ........................ crond 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 nfs41_callback_svc #3 kthread #4 ret_from_fork youngest=1060s(pid=985), oldest=1060s(pid=985) ........................ NFSv4 callback 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kjournald2 #3 kthread #4 ret_from_fork youngest=1092s(pid=670), oldest=1092s(pid=670) ........................ 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=0s(pid=652), oldest=0s(pid=652) ........................ kworker/u9:0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kswapd #3 kthread #4 ret_from_fork youngest=1101s(pid=71), oldest=1101s(pid=71) ........................ kswapd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kthread_worker_fn #3 kthread #4 ret_from_fork youngest=1103s(pid=59), oldest=1103s(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=0s(pid=47), oldest=0s(pid=47) ........................ khugepaged 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ksm_scan_thread #3 kthread #4 ret_from_fork youngest=1103s(pid=46), oldest=1103s(pid=46) ........................ ksmd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kcompactd #3 kthread #4 ret_from_fork youngest=1103s(pid=45), oldest=1103s(pid=45) ........................ kcompactd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 oom_reaper #3 kthread #4 ret_from_fork youngest=1103s(pid=43), oldest=1103s(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=120s(pid=42), oldest=120s(pid=42) ........................ khungtaskd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 devtmpfsd #3 kthread #4 ret_from_fork youngest=992s(pid=39), oldest=992s(pid=39) ........................ kdevtmpfs 1 times ------- 1 stacks like that: ---------- #0 machine_kexec #1 __crash_kexec #2 panic #3 tgt_client_free #4 mdt_destroy_export #5 class_export_destroy #6 obd_zombie_exp_cull #7 process_one_work #8 worker_thread #9 kthread #10 ret_from_fork youngest=0s(pid=36), oldest=0s(pid=36) ........................ kworker/u8:1 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=2s(pid=2), oldest=2s(pid=2) ........................ kthreadd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 ep_poll #5 finish_task_switch #6 do_epoll_wait #7 __x64_sys_epoll_wait #8 do_syscall_64 #9 entry_SYSCALL_64_after_hwframe youngest=0s(pid=1), oldest=0s(pid=1) ........................ systemd 1 times ------- 1 stacks like that: ---------- #0 crash_nmi_callback #1 nmi_handle #2 default_do_nmi #3 do_nmi #4 end_repeat_nmi #-1 update_sd_lb_stats.constprop.100 #5 update_sd_lb_stats.constprop.100 #6 find_busiest_group #7 load_balance #8 rebalance_domains #9 run_rebalance_domains #10 __softirqentry_text_start #11 irq_exit_rcu #12 irq_exit #13 smp_apic_timer_interrupt #14 apic_timer_interrupt #15 apic_timer_interrupt #-1 _raw_spin_unlock_irq #16 finish_task_switch #17 __schedule #18 schedule_idle #19 do_idle #20 cpu_startup_entry #21 start_secondary #22 secondary_startup_64_no_verify youngest=1104s(pid=0), oldest=1104s(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=1104s(pid=0), oldest=1104s(pid=0) ........................ swapper/0 1 times ** Execution took 2.16s (real) 0.61s (CPU), Child processes: 1.57s