***************** crashinfo --stacksummary ***************** /exports/testreports/45618/testresults/sanity2-zfs-centos7_x86_64-centos7_x86_64/oleg217-server-vmcore (3.10.0-7.9-debug) ------- 160 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_wait_event #3 ptlrpc_main #4 kthread #5 ret_from_fork_nospec_begin youngest=0s(pid=3256), oldest=3104s(pid=8448) ........................ ldlm_cb00_000 1 times ldlm_cb00_001 1 times ldlm_cb00_002 1 times ldlm_cb00_003 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 ll_mgs_0000 1 times ll_mgs_0001 1 times ll_mgs_0002 1 times ll_mgs_0003 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_ost00_020 1 times ll_ost00_021 1 times ll_ost00_022 1 times ll_ost00_023 1 times ll_ost00_024 1 times ll_ost00_025 1 times ll_ost00_026 1 times ll_ost00_027 1 times ll_ost00_028 1 times ll_ost00_029 1 times ll_ost00_030 1 times ll_ost00_031 1 times ll_ost00_032 1 times ll_ost00_033 1 times ll_ost00_034 1 times ll_ost00_035 1 times ll_ost00_036 1 times ll_ost00_037 1 times ll_ost00_038 1 times ll_ost00_039 1 times ll_ost00_040 1 times ll_ost00_041 1 times ll_ost00_042 1 times ll_ost00_043 1 times ll_ost00_044 1 times ll_ost00_045 1 times ll_ost00_046 1 times ll_ost00_047 1 times ll_ost00_048 1 times ll_ost00_049 1 times ll_ost00_050 1 times ll_ost00_051 1 times ll_ost00_052 1 times ll_ost00_053 1 times ll_ost00_054 1 times ll_ost00_055 1 times ll_ost00_056 1 times ll_ost00_057 1 times ll_ost00_058 1 times ll_ost00_059 1 times ll_ost00_060 1 times ll_ost00_061 1 times ll_ost00_062 1 times ll_ost00_063 1 times ll_ost00_064 1 times ll_ost00_065 1 times ll_ost00_066 1 times ll_ost00_067 1 times ll_ost00_068 1 times ll_ost00_069 1 times ll_ost00_070 1 times ll_ost00_071 1 times ll_ost00_072 1 times ll_ost00_073 1 times ll_ost00_074 1 times ll_ost00_075 1 times ll_ost00_076 1 times ll_ost00_077 1 times ll_ost00_078 1 times ll_ost00_079 1 times ll_ost00_080 1 times ll_ost00_081 1 times ll_ost00_082 1 times ll_ost00_083 1 times ll_ost00_084 1 times ll_ost00_085 1 times ll_ost00_086 1 times ll_ost00_087 1 times ll_ost00_088 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_out00_00 2 times ll_ost_seq00_00 3 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 mdt00_010 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_io00_004 1 times mdt_out00_000 1 times mdt_out00_001 1 times mdt_out00_002 1 times mdt_out00_004 1 times mdt_out00_005 1 times mdt_out00_006 1 times mdt_out00_007 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_seqm_0002 1 times mdt_seqs_0000 1 times mdt_seqs_0001 1 times mdt_seqs_0002 1 times ------- 107 stacks like that: ---------- #0 __schedule #1 schedule #2 taskq_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=3485), oldest=3126s(pid=3484) ........................ arc_prune 1 times dbu_evict 1 times dp_sync_taskq 9 times dp_zil_clean_ta 12 times metaslab_group_ 6 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_fr_int 3 times z_fr_iss 3 times z_ioctl_int 3 times z_ioctl_iss 3 times z_null_int 3 times z_null_iss 3 times z_prefetch 3 times z_rd_int 3 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 6 times z_wr_int_h 3 times z_wr_iss 6 times z_wr_iss_h 3 times z_zrele 3 times z_zvol 3 times zvol 1 times ------- 25 stacks like that: ---------- #0 __schedule #1 schedule #2 rescuer_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=3154s(pid=716), oldest=3162s(pid=12) ........................ ata_sff 1 times bioset 3 times crypto 1 times deferwq 1 times edac-poller 1 times ext4-rsv-conver 1 times ipv6_addrconf 1 times kblockd 1 times kintegrityd 1 times kmpath_rdacd 1 times kpsmoused 1 times kthrotld 1 times kvm-irqfd-clean 1 times lru-add-drain 1 times md 1 times netns 1 times nfsiod 1 times rpciod 1 times scsi_tmf_0 1 times scsi_tmf_1 1 times watchdogd 1 times writeback 1 times xprtiod 1 times ------- 20 stacks like that: ---------- #0 __schedule #1 schedule #2 worker_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=18894), oldest=3154s(pid=4) ........................ 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/1:0 1 times kworker/1:0H 1 times kworker/1:1 1 times kworker/1:1H 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/3:0H 1 times kworker/3:1 1 times kworker/3:1H 1 times kworker/3:2 1 times kworker/u8:1 1 times kworker/u8:2 1 times ------- 13 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_nospec_begin youngest=2777s(pid=982), oldest=3124s(pid=3490) ........................ arc_evict 1 times z_checkpoint_di 3 times z_indirect_cond 3 times z_livelist_cond 3 times z_livelist_dest 3 times ------- 12 stacks like that: ---------- #0 __schedule #1 schedule #2 smpboot_thread_fn #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=6), oldest=18s(pid=15) ........................ 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 ------- 8 stacks like that: ---------- #0 __schedule #1 schedule #2 futex_wait_queue_me #3 futex_wait #4 do_futex #5 sys_futex #6 system_call_fastpath youngest=6s(pid=912), oldest=3153s(pid=817) ........................ JS GC Helper 1 times JS Sour~ Thread 1 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 #5 do_sys_poll #6 sys_poll #7 system_call_fastpath youngest=1s(pid=824), oldest=3153s(pid=868) ........................ NetworkManager 1 times gdbus 2 times gmain 2 times polkitd 3 times ------- 8 stacks like that: ---------- #0 __schedule #1 schedule #2 rcu_nocb_kthread #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=11), oldest=3162s(pid=10) ........................ rcuob/0 1 times rcuob/1 1 times rcuob/2 1 times rcuob/3 1 times rcuos/0 1 times rcuos/1 1 times rcuos/2 1 times rcuos/3 1 times ------- 6 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 ep_poll #5 sys_epoll_wait #6 system_call_fastpath youngest=0s(pid=816), oldest=2137s(pid=599) ........................ 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_nospec_begin youngest=1s(pid=3298), oldest=2719s(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 ldlm_bl_thread_main #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=8453), oldest=3s(pid=7051) ........................ 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_nospec_begin youngest=3095s(pid=3288), oldest=3109s(pid=3286) ........................ 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 schedule_timeout #3 qsd_upd_thread #4 kthread #5 ret_from_fork_nospec_begin youngest=16s(pid=1204), oldest=49s(pid=7261) ........................ lquota_wb_lustr 4 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_nospec_begin youngest=0s(pid=978), oldest=0s(pid=6781) ........................ 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_nospec_begin youngest=0s(pid=977), oldest=4s(pid=6780) ........................ 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_nospec_begin youngest=0s(pid=976), oldest=4s(pid=6779) ........................ txg_quiesce 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 n_tty_read #4 tty_read #5 vfs_read #6 sys_read #7 system_call_fastpath youngest=3150s(pid=844), oldest=3151s(pid=846) ........................ agetty 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout #5 do_select #6 core_sys_select #7 sys_select #8 system_call_fastpath youngest=90s(pid=828), oldest=3152s(pid=858) ........................ dhclient 1 times rsyslogd 1 times sshd 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule_preempt_disabled #2 cpu_startup_entry #3 start_secondary #4 start_cpu youngest=3162s(pid=0), oldest=3162s(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_nospec_begin youngest=1s(pid=9142), oldest=4s(pid=10493) ........................ 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_nospec_begin youngest=77s(pid=9139), oldest=79s(pid=10492) ........................ 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_nospec_begin youngest=2776s(pid=7078), oldest=3109s(pid=7054) ........................ 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_nospec_begin youngest=7s(pid=3284), oldest=7s(pid=3285) ........................ ptlrpc_hr00_000 1 times ptlrpc_hr00_001 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ofd_inconsistency_verification_main #3 kthread #4 ret_from_fork_nospec_begin youngest=2776s(pid=1176), oldest=3098s(pid=9775) ........................ inconsistency_v 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 scsi_error_handler #3 kthread #4 ret_from_fork_nospec_begin youngest=3159s(pid=280), oldest=3159s(pid=287) ........................ scsi_eh_0 1 times scsi_eh_1 1 times ------- 1 stacks like that: ---------- #0 machine_kexec #1 __crash_kexec #2 panic #3 lbug_with_loc #4 ptl_send_buf #5 ptlrpc_send_reply #6 target_send_reply_msg #7 target_send_reply #8 tgt_request_handle #9 ptlrpc_server_handle_request #10 ptlrpc_main #11 kthread #12 ret_from_fork_nospec_begin youngest=0s(pid=25515), oldest=0s(pid=25515) ........................ mdt_out00_003 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 distribute_txn_commit_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=3109s(pid=7297), oldest=3109s(pid=7297) ........................ dist_txn-0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mdt_restriper_main #3 kthread #4 ret_from_fork_nospec_begin youngest=3109s(pid=7240), oldest=3109s(pid=7240) ........................ mdt_restriper_0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 qmt_reba_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=3109s(pid=7137), oldest=3109s(pid=7137) ........................ qmt_reba_lustre 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mgc_requeue_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=2138s(pid=7060), oldest=2138s(pid=7060) ........................ ll_cfg_requeue 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ping_evictor_main #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=7059), oldest=0s(pid=7059) ........................ ll_evictor 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 expired_lock_main #3 kthread #4 ret_from_fork_nospec_begin youngest=1000s(pid=7053), oldest=1000s(pid=7053) ........................ ldlm_elt 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_nospec_begin youngest=0s(pid=3495), oldest=0s(pid=3495) ........................ 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_nospec_begin youngest=0s(pid=3493), oldest=0s(pid=3493) ........................ dbuf_evict 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 zthr_procedure #7 thread_generic_wrapper #8 kthread #9 ret_from_fork_nospec_begin youngest=0s(pid=3491), oldest=0s(pid=3491) ........................ arc_reap 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 lnet_peer_discovery #4 kthread #5 ret_from_fork_nospec_begin 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_nospec_begin 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_nospec_begin youngest=3094s(pid=3294), oldest=3094s(pid=3294) ........................ acceptor_001 1 times ------- 1 stacks like that: ---------- #0 crash_nmi_callback #1 nmi_handle #2 do_nmi #3 end_repeat_nmi #4 __getnstimeofday64 #5 getnstimeofday64 #6 request_in_callback #7 ptlrpc_master_callback #8 lnet_finalize #9 ksocknal_process_receive #10 ksocknal_scheduler #11 kthread #12 ret_from_fork_nospec_begin youngest=0s(pid=3293), oldest=0s(pid=3293) ........................ socknal_sd00_02 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ksocknal_scheduler #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=3292), oldest=0s(pid=3292) ........................ socknal_sd00_01 1 times ------- 1 stacks like that: ---------- #0 crash_nmi_callback #1 nmi_handle #2 do_nmi #3 end_repeat_nmi #-1 memcpy #4 memcpy #5 vsnprintf #6 libcfs_debug_msg #7 ksocknal_free_tx #8 ksocknal_tx_done #9 ksocknal_scheduler #10 kthread #11 ret_from_fork_nospec_begin youngest=0s(pid=3291), oldest=0s(pid=3291) ........................ socknal_sd00_00 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 ksocknal_reaper #4 kthread #5 ret_from_fork_nospec_begin youngest=0s(pid=3290), oldest=0s(pid=3290) ........................ socknal_reaper 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout #5 do_sys_poll #6 sys_ppoll #7 system_call_fastpath youngest=0s(pid=909), oldest=0s(pid=909) ........................ in:imjournal 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule youngest=3153s(pid=774), oldest=3153s(pid=774) ........................ nfsv4.1-svc 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kjournald2 #3 kthread #4 ret_from_fork_nospec_begin youngest=3156s(pid=478), oldest=3156s(pid=478) ........................ jbd2/nbd0-8 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 nbd_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=1575s(pid=450), oldest=1575s(pid=450) ........................ nbd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 sk_wait_data #4 tcp_recvmsg #5 inet_recvmsg #6 sock_recvmsg #7 kernel_recvmsg #8 sock_xmit #9 __nbd_ioctl #10 nbd_ioctl #11 blkdev_ioctl #12 block_ioctl #13 do_vfs_ioctl #14 sys_ioctl #15 system_call_fastpath youngest=1575s(pid=448), oldest=1575s(pid=448) ........................ nbd-client 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 khugepaged #4 kthread #5 ret_from_fork_nospec_begin youngest=3s(pid=53), oldest=3s(pid=53) ........................ khugepaged 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ksm_scan_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=3160s(pid=52), oldest=3160s(pid=52) ........................ ksmd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kswapd #3 kthread #4 ret_from_fork_nospec_begin youngest=3160s(pid=51), oldest=3160s(pid=51) ........................ kswapd0 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_nospec_begin youngest=41s(pid=37), oldest=41s(pid=37) ........................ khungtaskd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 devtmpfsd #3 kthread #4 ret_from_fork_nospec_begin youngest=3116s(pid=35), oldest=3116s(pid=35) ........................ kdevtmpfs 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 rcu_gp_kthread #4 kthread #5 ret_from_fork_nospec_begin youngest=0s(pid=9), oldest=0s(pid=9) ........................ rcu_sched 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 rcu_gp_kthread #3 kthread #4 ret_from_fork_nospec_begin youngest=3162s(pid=8), oldest=3162s(pid=8) ........................ rcu_bh 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kthreadd #3 ret_from_fork_nospec_begin youngest=0s(pid=2), oldest=0s(pid=2) ........................ kthreadd 1 times ------- 1 stacks like that: ---------- #0 crash_nmi_callback #1 nmi_handle #2 do_nmi #3 end_repeat_nmi #-1 poll_idle #4 poll_idle #5 cpuidle_enter_state #6 cpuidle_idle_call #7 arch_cpu_idle #8 cpu_startup_entry #9 rest_init #10 start_kernel #11 x86_64_start_reservations #12 x86_64_start_kernel #13 start_cpu youngest=3162s(pid=0), oldest=3162s(pid=0) ........................ swapper/0 1 times ** Execution took 1.97s (real) 0.27s (CPU), Child processes: 1.73s