***************** crashinfo --stacksummary ***************** /exports/testreports/62333/testresults/sanity3-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg139-server-timeout-core (4.18.0rh8.10-debug) ------- 60 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_wait_event #3 ptlrpc_main #4 kthread #5 ret_from_fork youngest=0s(pid=219731), oldest=250s(pid=217963) ........................ 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 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_ost_create00 2 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_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 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_out00_002 1 times mdt_out00_003 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_seqm_0002 1 times mdt_seqs_0000 1 times mdt_seqs_0001 1 times ------- 35 stacks like that: ---------- #0 __schedule #1 schedule #2 rescuer_thread #3 kthread #4 ret_from_fork youngest=195s(pid=220685), oldest=15159s(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 kdmflush/252:0 1 times kdmflush/252:1 1 times kdmflush/252:2 1 times kdmflush/252:3 1 times kintegrityd 1 times knbd0-recv 1 times kstrp 1 times kthrotld 1 times ldiskfs-misc 4 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 ------- 28 stacks like that: ---------- #0 __schedule #1 schedule #2 worker_thread #3 kthread #4 ret_from_fork youngest=0s(pid=208900), oldest=15149s(pid=653) ........................ kworker/0:0 1 times kworker/0:0H 1 times kworker/0:1 1 times kworker/0:1H 1 times kworker/0:3 1 times kworker/0:4 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/2:0 1 times kworker/2:0H 1 times kworker/2:1 1 times kworker/2:2 1 times kworker/2:2H 1 times kworker/2:3 1 times kworker/3:0 1 times kworker/3:0H 1 times kworker/3:1 1 times kworker/3:2 1 times kworker/3:2H 1 times kworker/3:3 1 times kworker/3:4 1 times kworker/u8:0 1 times kworker/u8:1 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=32), oldest=15145s(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 ------- 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=1021), oldest=15142s(pid=1020) ........................ 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=4s(pid=1101), oldest=15141s(pid=1044) ........................ JS Helper 4 times gssproxy 5 times rs:main Q:Reg 1 times ------- 8 stacks like that: ---------- #0 __schedule #1 schedule #2 taskq_thread #3 kthread #4 ret_from_fork youngest=15061s(pid=4332), oldest=15065s(pid=4329) ........................ arc_prune 1 times dbu_evict 1 times spl_delay_taskq 1 times spl_dynamic_tas 1 times spl_kmem_cache 1 times spl_system_task 1 times z_vdev_file 1 times zvol_tq-0 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=1037), oldest=15139s(pid=1059) ........................ agetty 3 times dhclient 1 times sshd 1 times tuned 2 times ------- 7 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=4s(pid=788), oldest=15141s(pid=1042) ........................ dbus-daemon 1 times gssproxy 1 times systemd 2 times systemd-journal 1 times systemd-logind 1 times systemd-udevd 1 times ------- 6 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 qsd_upd_thread #4 kthread #5 ret_from_fork youngest=3s(pid=217991), oldest=48s(pid=218840) ........................ lquota_wb_lustr 6 times ------- 6 stacks like that: ---------- #0 __schedule #1 schedule #2 osp_precreate_thread #3 kthread #4 ret_from_fork youngest=0s(pid=218832), oldest=3s(pid=218828) ........................ osp-pre-0-0 1 times osp-pre-0-1 2 times osp-pre-1-0 2 times osp-pre-1-1 1 times ------- 4 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=217980), oldest=209s(pid=218829) ........................ osp-syn-0-0 1 times osp-syn-0-1 1 times osp-syn-1-0 1 times osp-syn-1-1 1 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 ldlm_bl_thread_main #3 kthread #4 ret_from_fork youngest=0s(pid=217944), oldest=0s(pid=217945) ........................ 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=183s(pid=216367), oldest=250s(pid=216365) ........................ socknal_cd00 1 times socknal_cd01 1 times socknal_cd02 1 times socknal_cd03 1 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 kjournald2 #3 kthread #4 ret_from_fork youngest=1s(pid=217936), oldest=15149s(pid=668) ........................ jbd2/dm-0-8 1 times jbd2/dm-2-8 1 times jbd2/dm-3-8 1 times jbd2/nbd0-8 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 ksocknal_scheduler #3 kthread #4 ret_from_fork youngest=0s(pid=216371), oldest=0s(pid=216369) ........................ 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=15159s(pid=0), oldest=15159s(pid=0) ........................ swapper/1 1 times swapper/2 1 times swapper/3 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ofd_id_repair_thread_main #3 kthread #4 ret_from_fork youngest=194s(pid=220690), oldest=217s(pid=219741) ........................ 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=194s(pid=220689), oldest=217s(pid=219740) ........................ inconsistency_v 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 distribute_txn_commit_thread #3 kthread #4 ret_from_fork youngest=233s(pid=218841), oldest=249s(pid=217992) ........................ dist_txn-0 1 times dist_txn-1 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 osp_send_update_thread #3 kthread #4 ret_from_fork youngest=233s(pid=218827), oldest=250s(pid=217978) ........................ osp_up0-1 1 times osp_up1-0 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 mdt_restriper_main #3 kthread #4 ret_from_fork youngest=234s(pid=218825), oldest=250s(pid=217977) ........................ mdt_restriper_0 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 mgs_ir_notify #3 kthread #4 ret_from_fork youngest=194s(pid=217972), oldest=250s(pid=217947) ........................ mgs_lustre_noti 1 times mgs_params_noti 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 wait_woken #4 ptlrpcd #5 kthread #6 ret_from_fork youngest=0s(pid=216379), oldest=189s(pid=216375) ........................ ptlrpcd_00_03 1 times ptlrpcd_rcv 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_hr_main #3 kthread #4 ret_from_fork youngest=0s(pid=216362), oldest=10s(pid=216363) ........................ 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=4336), oldest=0s(pid=4337) ........................ 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=15154s(pid=468), oldest=15154s(pid=471) ........................ 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=15159s(pid=11), oldest=15159s(pid=10) ........................ rcu_tasks_rude_ 1 times rcu_tasks_trace 1 times ------- 1 stacks like that: ---------- #-1 do_raw_spin_unlock #0 _raw_spin_unlock_irqrestore #1 debug_check_no_obj_freed #2 slab_free_freelist_hook #3 kmem_cache_free #4 mempool_free_slab #5 mempool_free #6 bio_free #7 bio_put #8 end_bio_bh_io_sync #9 bio_endio #10 dm_io_complete #11 dm_io_dec_pending #12 clone_endio #13 bio_endio #14 blk_update_request #15 blk_mq_end_request #16 virtblk_request_done #17 blk_mq_complete_request #18 virtblk_done #19 vring_interrupt #20 __handle_irq_event_percpu #21 handle_irq_event_percpu #22 handle_irq_event #23 handle_edge_irq #24 handle_irq #25 do_IRQ #26 ret_from_intr #-1 number #27 vsnprintf #28 libcfs_debug_msg #29 ptlrpc_server_handle_req_in #30 ptlrpc_main #31 kthread #32 ret_from_fork youngest=0s(pid=221486), oldest=0s(pid=221486) ........................ ll_ost_create00 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 io_schedule #3 bit_wait_io #4 __wait_on_bit #5 out_of_line_wait_on_bit #6 __wait_on_buffer #7 jbd2_journal_commit_transaction #8 kjournald2 #9 kthread #10 ret_from_fork youngest=0s(pid=218821), oldest=0s(pid=218821) ........................ jbd2/dm-1-8 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 qmt_reba_thread #3 kthread #4 ret_from_fork youngest=250s(pid=217975), oldest=250s(pid=217975) ........................ qmt_reba_lustre 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mgc_requeue_thread #3 kthread #4 ret_from_fork youngest=173s(pid=217953), oldest=173s(pid=217953) ........................ 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=217952), oldest=0s(pid=217952) ........................ ll_evictor 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 expired_lock_main #3 kthread #4 ret_from_fork youngest=251s(pid=217946), oldest=251s(pid=217946) ........................ ldlm_elt 1 times ------- 1 stacks like that: ---------- #-1 number #0 va_format #1 pointer #2 vsnprintf #3 libcfs_debug_msg #4 _debug_req #5 __ptlrpc_req_put #6 ptlrpc_req_put #7 request_out_callback #8 ptlrpc_master_callback #9 lnet_finalize #10 lolnd_recv #11 lnet_ni_recv #12 lnet_recv_put #13 lnet_parse_local #14 lnet_parse #15 lolnd_send #16 lnet_ni_send #17 lnet_send #18 LNetPut #19 ptl_send_buf #20 ptl_send_rpc #21 ptlrpc_send_new_req #22 ptlrpc_check_set #23 ptlrpcd #24 kthread #25 ret_from_fork youngest=0s(pid=216378), oldest=0s(pid=216378) ........................ ptlrpcd_00_02 1 times ------- 1 stacks like that: ---------- #-1 number #0 va_format #1 pointer #2 vsnprintf #3 libcfs_debug_msg #4 _debug_req #5 request_out_callback #6 ptlrpc_master_callback #7 lnet_finalize #8 lolnd_recv #9 lnet_ni_recv #10 lnet_recv_put #11 lnet_parse_local #12 lnet_parse #13 lolnd_send #14 lnet_ni_send #15 lnet_send #16 LNetPut #17 ptl_send_buf #18 ptl_send_rpc #19 ptlrpc_send_new_req #20 ptlrpc_check_set #21 ptlrpcd #22 kthread #23 ret_from_fork youngest=0s(pid=216377), oldest=0s(pid=216377) ........................ ptlrpcd_00_01 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 preempt_schedule_common #2 _cond_resched #3 slab_pre_alloc_hook.constprop.64 #4 kmem_cache_alloc #5 lnet_md_build #6 LNetMDBind #7 ptl_send_buf #8 ptl_send_rpc #9 ptlrpc_send_new_req #10 ptlrpc_check_set #11 ptlrpcd #12 kthread #13 ret_from_fork youngest=0s(pid=216376), oldest=0s(pid=216376) ........................ ptlrpcd_00_00 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=216374), oldest=0s(pid=216374) ........................ 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=216373), oldest=0s(pid=216373) ........................ monitor_thread 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 lnet_acceptor #3 kthread #4 ret_from_fork youngest=183s(pid=216372), oldest=183s(pid=216372) ........................ 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=216368), oldest=0s(pid=216368) ........................ socknal_reaper 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=287s(pid=216085), oldest=287s(pid=216085) ........................ (sd-pam) 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 io_schedule #3 rq_qos_wait #4 wbt_wait #5 __rq_qos_throttle #6 blk_mq_make_request #7 generic_make_request_no_check #8 generic_make_request #9 submit_bio #10 submit_bh_wbc #11 __block_write_full_page #12 block_write_full_page #13 blkdev_writepage #14 __writepage #15 write_cache_pages #16 generic_writepages #17 blkdev_writepages #18 do_writepages #19 __writeback_single_inode #20 writeback_sb_inodes #21 __writeback_inodes_wb #22 wb_writeback #23 wb_workfn #24 process_one_work #25 worker_thread #26 kthread #27 ret_from_fork youngest=0s(pid=170405), oldest=0s(pid=170405) ........................ kworker/u8:12 1 times ------- 1 stacks like that: ---------- #-1 strlen #0 libcfs_debug_msg #1 null_alloc_reqbuf #2 sptlrpc_cli_alloc_reqbuf #3 lustre_pack_request #4 ptlrpc_request_bufs_pack #5 ptlrpc_request_alloc_pack #6 ptlrpc_prep_ping #7 ptlrpc_pinger_main #8 process_one_work #9 worker_thread #10 kthread #11 ret_from_fork youngest=0s(pid=170382), oldest=0s(pid=170382) ........................ kworker/u8:10 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=4342), oldest=0s(pid=4342) ........................ 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=4339), oldest=0s(pid=4339) ........................ 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=1097), oldest=0s(pid=1097) ........................ 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=5s(pid=1079), oldest=5s(pid=1079) ........................ 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=58s(pid=1055), oldest=58s(pid=1055) ........................ crond 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 nfs41_callback_svc #3 kthread #4 ret_from_fork youngest=15143s(pid=981), oldest=15143s(pid=981) ........................ NFSv4 callback 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=2745s(pid=651), oldest=2745s(pid=651) ........................ kworker/u9:0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kswapd #3 kthread #4 ret_from_fork youngest=15156s(pid=71), oldest=15156s(pid=71) ........................ kswapd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kthread_worker_fn #3 kthread #4 ret_from_fork youngest=15159s(pid=59), oldest=15159s(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=6s(pid=48), oldest=6s(pid=48) ........................ khugepaged 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ksm_scan_thread #3 kthread #4 ret_from_fork youngest=15159s(pid=47), oldest=15159s(pid=47) ........................ ksmd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kcompactd #3 kthread #4 ret_from_fork youngest=15159s(pid=46), oldest=15159s(pid=46) ........................ kcompactd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 oom_reaper #3 kthread #4 ret_from_fork youngest=15159s(pid=44), oldest=15159s(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=44s(pid=43), oldest=44s(pid=43) ........................ khungtaskd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 devtmpfsd #3 kthread #4 ret_from_fork youngest=200s(pid=39), oldest=200s(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=0s(pid=2), oldest=0s(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=15159s(pid=0), oldest=15159s(pid=0) ........................ swapper/0 1 times ** Execution took 1.80s (real) 0.45s (CPU), Child processes: 1.34s