UDF-fs: warning (device loop4): udf_fill_super: No partition found (1) rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (10500 ticks this GP) idle=266/1/0x4000000000000002 softirq=42299/42299 fqs=0 rcu: (t=10500 jiffies g=55401 q=679) rcu: rcu_preempt kthread starved for 10500 jiffies! g55401 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt I29104 10 2 0x90000000 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1804 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 NMI backtrace for cpu 1 CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.72 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x189/0x1d5 kernel/rcu/tree.c:1340 print_cpu_stall kernel/rcu/tree.c:1478 [inline] check_cpu_stall kernel/rcu/tree.c:1550 [inline] __rcu_pending kernel/rcu/tree.c:3293 [inline] rcu_pending kernel/rcu/tree.c:3336 [inline] rcu_check_callbacks.cold+0x5e3/0xd90 kernel/rcu/tree.c:2682 update_process_times+0x32/0x80 kernel/time/timer.c:1636 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:164 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1274 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x33b/0xdc0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline] smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1092 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:hhf_dequeue+0x54a/0xa00 net/sched/sch_hhf.c:435 Code: 41 be 01 00 00 00 49 8d 95 80 02 00 00 48 39 c2 74 34 e8 29 d9 dc fb 49 8d bd 6c 03 00 00 48 89 f8 48 c1 e8 03 42 0f b6 14 20 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 91 03 00 00 45 RSP: 0018:ffff8880aa2a6998 EFLAGS: 00000a03 ORIG_RAX: ffffffffffffff13 RAX: 1ffff11013d06c75 RBX: ffff88809e8362f8 RCX: ffffffff858e78e9 RDX: 0000000000000000 RSI: ffffffff858e7d67 RDI: ffff88809e8363ac RBP: ffff8880aa2a69e8 R08: ffff8880aa2944c0 R09: 0000000000000006 R10: ffff8880aa294e30 R11: 0000000040224eba R12: dffffc0000000000 R13: ffff88809e836040 R14: 0000000000000001 R15: 0000000000000000 dequeue_skb net/sched/sch_generic.c:277 [inline] qdisc_restart net/sched/sch_generic.c:380 [inline] __qdisc_run+0x1e7/0x1960 net/sched/sch_generic.c:398 __dev_xmit_skb net/core/dev.c:3501 [inline] __dev_queue_xmit+0x165c/0x2fe0 net/core/dev.c:3811 dev_queue_xmit+0x18/0x20 net/core/dev.c:3876 br_dev_queue_push_xmit+0x405/0x5d0 net/bridge/br_forward.c:56 br_nf_dev_queue_xmit+0x365/0x1610 net/bridge/br_netfilter_hooks.c:779 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_post_routing+0x76f/0x12f0 net/bridge/br_netfilter_hooks.c:825 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_forward_finish+0x215/0x400 net/bridge/br_forward.c:69 br_nf_hook_thresh+0x2e9/0x370 net/bridge/br_netfilter_hooks.c:1008 br_nf_forward_finish+0x356/0x700 net/bridge/br_netfilter_hooks.c:553 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_forward_ip net/bridge/br_netfilter_hooks.c:620 [inline] br_nf_forward_ip+0x6b4/0x17c0 net/bridge/br_netfilter_hooks.c:564 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] __br_forward+0x393/0xb30 net/bridge/br_forward.c:113 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:129 br_flood+0x5fa/0x710 net/bridge/br_forward.c:238 br_handle_frame_finish+0xf72/0x1510 net/bridge/br_input.c:167 br_nf_hook_thresh+0x2e9/0x370 net/bridge/br_netfilter_hooks.c:1008 br_nf_pre_routing_finish_ipv6+0x6ed/0xd70 net/bridge/br_netfilter_ipv6.c:210 NF_HOOK include/linux/netfilter.h:289 [inline] br_nf_pre_routing_ipv6+0x4a5/0x8ca net/bridge/br_netfilter_ipv6.c:240 br_nf_pre_routing+0x1016/0x159c net/bridge/br_netfilter_hooks.c:494 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_handle_frame+0x985/0x1480 net/bridge/br_input.c:306 __netif_receive_skb_core+0xac1/0x3570 net/core/dev.c:4861 __netif_receive_skb_one_core+0xa8/0x1a0 net/core/dev.c:4930 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5044 process_backlog+0x23a/0x7a0 net/core/dev.c:5855 napi_poll net/core/dev.c:6278 [inline] net_rx_action+0x4f5/0x1070 net/core/dev.c:6344 __do_softirq+0x25c/0x921 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 rcu: INFO: rcu_sched detected stalls on CPUs/tasks: rcu: 1-...!: (10504 ticks this GP) idle=266/1/0x4000000000000000 softirq=42295/42299 fqs=503 rcu: (detected by 0, t=10574 jiffies, g=2269, q=1) Sending NMI from CPU 0 to CPUs 1: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.139 msecs NMI backtrace for cpu 1 CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.72 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid+0xe/0xa0 lib/list_debug.c:22 Code: 40 48 82 87 e8 33 fd ff ff 41 5c 5d c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 <41> 55 49 89 fd 48 8d 7a 08 41 54 49 89 d4 48 89 fa 48 83 ec 08 48 RSP: 0018:ffff8880aa2a6988 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88809e8362f8 RCX: ffffffff858e7de6 RDX: ffff88809e836390 RSI: ffff88809e836390 RDI: ffff88809e8362f8 RBP: ffff8880aa2a6988 R08: ffff8880aa2944c0 R09: 0000000000000006 R10: ffff8880aa294e30 R11: 0000000040224eba R12: dffffc0000000000 R13: ffff88809e836040 R14: ffff88809e836398 R15: ffff88809e836390 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000738000 CR3: 000000000866d000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] list_move_tail include/linux/list.h:183 [inline] hhf_dequeue+0x652/0xa00 net/sched/sch_hhf.c:438 dequeue_skb net/sched/sch_generic.c:277 [inline] qdisc_restart net/sched/sch_generic.c:380 [inline] __qdisc_run+0x1e7/0x1960 net/sched/sch_generic.c:398 __dev_xmit_skb net/core/dev.c:3501 [inline] __dev_queue_xmit+0x165c/0x2fe0 net/core/dev.c:3811 dev_queue_xmit+0x18/0x20 net/core/dev.c:3876 br_dev_queue_push_xmit+0x405/0x5d0 net/bridge/br_forward.c:56 br_nf_dev_queue_xmit+0x365/0x1610 net/bridge/br_netfilter_hooks.c:779 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_post_routing+0x76f/0x12f0 net/bridge/br_netfilter_hooks.c:825 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_forward_finish+0x215/0x400 net/bridge/br_forward.c:69 br_nf_hook_thresh+0x2e9/0x370 net/bridge/br_netfilter_hooks.c:1008 br_nf_forward_finish+0x356/0x700 net/bridge/br_netfilter_hooks.c:553 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_forward_ip net/bridge/br_netfilter_hooks.c:620 [inline] br_nf_forward_ip+0x6b4/0x17c0 net/bridge/br_netfilter_hooks.c:564 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] __br_forward+0x393/0xb30 net/bridge/br_forward.c:113 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:129 br_flood+0x5fa/0x710 net/bridge/br_forward.c:238 br_handle_frame_finish+0xf72/0x1510 net/bridge/br_input.c:167 br_nf_hook_thresh+0x2e9/0x370 net/bridge/br_netfilter_hooks.c:1008 br_nf_pre_routing_finish_ipv6+0x6ed/0xd70 net/bridge/br_netfilter_ipv6.c:210 NF_HOOK include/linux/netfilter.h:289 [inline] br_nf_pre_routing_ipv6+0x4a5/0x8ca net/bridge/br_netfilter_ipv6.c:240 br_nf_pre_routing+0x1016/0x159c net/bridge/br_netfilter_hooks.c:494 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_handle_frame+0x985/0x1480 net/bridge/br_input.c:306 __netif_receive_skb_core+0xac1/0x3570 net/core/dev.c:4861 __netif_receive_skb_one_core+0xa8/0x1a0 net/core/dev.c:4930 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5044 process_backlog+0x23a/0x7a0 net/core/dev.c:5855 napi_poll net/core/dev.c:6278 [inline] net_rx_action+0x4f5/0x1070 net/core/dev.c:6344 __do_softirq+0x25c/0x921 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 rcu: rcu_sched kthread starved for 9559 jiffies! g2269 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_sched I29104 11 2 0x90000000 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1804 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 rcu: INFO: rcu_bh detected stalls on CPUs/tasks: rcu: 1-...!: (17173 ticks this GP) idle=266/1/0x4000000000000000 softirq=34572/42299 fqs=255 rcu: (detected by 0, t=10503 jiffies, g=-735, q=12) Sending NMI from CPU 0 to CPUs 1: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.158 msecs NMI backtrace for cpu 1 CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.72 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x5/0x20 kernel/kcov.c:188 Code: c3 0f 1f 40 00 55 0f b7 d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 d8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe 05 00 00 00 48 89 e5 48 8b 4d 08 e8 ba fe ff ff 5d c3 0f 1f 84 RSP: 0018:ffff8880aa2a6988 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88809e8362f8 RCX: ffffffff858e7e8e RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880aa2a69e8 R08: ffff8880aa2944c0 R09: 0000000000000006 R10: ffff8880aa294e30 R11: 0000000040224eba R12: dffffc0000000000 R13: ffff88809e836040 R14: ffff88809e836390 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000738000 CR3: 000000000866d000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dequeue_skb net/sched/sch_generic.c:277 [inline] qdisc_restart net/sched/sch_generic.c:380 [inline] __qdisc_run+0x1e7/0x1960 net/sched/sch_generic.c:398 __dev_xmit_skb net/core/dev.c:3501 [inline] __dev_queue_xmit+0x165c/0x2fe0 net/core/dev.c:3811 dev_queue_xmit+0x18/0x20 net/core/dev.c:3876 br_dev_queue_push_xmit+0x405/0x5d0 net/bridge/br_forward.c:56 br_nf_dev_queue_xmit+0x365/0x1610 net/bridge/br_netfilter_hooks.c:779 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_post_routing+0x76f/0x12f0 net/bridge/br_netfilter_hooks.c:825 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_forward_finish+0x215/0x400 net/bridge/br_forward.c:69 br_nf_hook_thresh+0x2e9/0x370 net/bridge/br_netfilter_hooks.c:1008 br_nf_forward_finish+0x356/0x700 net/bridge/br_netfilter_hooks.c:553 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] br_nf_forward_ip net/bridge/br_netfilter_hooks.c:620 [inline] br_nf_forward_ip+0x6b4/0x17c0 net/bridge/br_netfilter_hooks.c:564 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] __br_forward+0x393/0xb30 net/bridge/br_forward.c:113 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:129 br_flood+0x5fa/0x710 net/bridge/br_forward.c:238 br_handle_frame_finish+0xf72/0x1510 net/bridge/br_input.c:167 br_nf_hook_thresh+0x2e9/0x370 net/bridge/br_netfilter_hooks.c:1008 br_nf_pre_routing_finish_ipv6+0x6ed/0xd70 net/bridge/br_netfilter_ipv6.c:210 NF_HOOK include/linux/netfilter.h:289 [inline] br_nf_pre_routing_ipv6+0x4a5/0x8ca net/bridge/br_netfilter_ipv6.c:240 br_nf_pre_routing+0x1016/0x159c net/bridge/br_netfilter_hooks.c:494 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_handle_frame+0x985/0x1480 net/bridge/br_input.c:306 __netif_receive_skb_core+0xac1/0x3570 net/core/dev.c:4861 __netif_receive_skb_one_core+0xa8/0x1a0 net/core/dev.c:4930 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5044 process_backlog+0x23a/0x7a0 net/core/dev.c:5855 napi_poll net/core/dev.c:6278 [inline] net_rx_action+0x4f5/0x1070 net/core/dev.c:6344 __do_softirq+0x25c/0x921 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:653 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:645 smpboot_thread_fn+0x6a3/0xa30 kernel/smpboot.c:164 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 rcu: rcu_bh kthread starved for 9994 jiffies! g-735 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_bh I29104 12 2 0x90000000 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x866/0x1dc0 kernel/sched/core.c:3474 schedule+0x92/0x1c0 kernel/sched/core.c:3518 schedule_timeout+0x4db/0xfc0 kernel/time/timer.c:1804 rcu_gp_kthread+0xd5c/0x2190 kernel/rcu/tree.c:2202 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415