rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-...!: (1 ticks this GP) idle=296/1/0x4000000000000002 softirq=76916/76916 fqs=0 (t=10958 jiffies g=119101 q=276) rcu: rcu_preempt kthread starved for 10958 jiffies! g119101 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 rcu: RCU grace-period kthread stack dump: rcu_preempt I29056 10 2 0x80004000 Call Trace: context_switch kernel/sched/core.c:2818 [inline] __schedule+0x7cb/0x1560 kernel/sched/core.c:3445 schedule+0xa8/0x260 kernel/sched/core.c:3509 schedule_timeout+0x486/0xc50 kernel/time/timer.c:1807 rcu_gp_fqs_loop kernel/rcu/tree.c:1589 [inline] rcu_gp_kthread+0x9b2/0x18b0 kernel/rcu/tree.c:1746 kthread+0x354/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 NMI backtrace for cpu 1 CPU: 1 PID: 9781 Comm: kworker/1:3 Not tainted 5.2.0-rc5+ #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: rcu_gp process_srcu 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+0x1be/0x236 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+0x183/0x1cf kernel/rcu/tree_stall.h:254 print_cpu_stall kernel/rcu/tree_stall.h:455 [inline] check_cpu_stall kernel/rcu/tree_stall.h:529 [inline] rcu_pending kernel/rcu/tree.c:2625 [inline] rcu_sched_clock_irq.cold+0x4d1/0xbfd kernel/rcu/tree.c:2161 update_process_times+0x32/0x80 kernel/time/timer.c:1639 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:167 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1298 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x33b/0xdd0 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline] smp_apic_timer_interrupt+0x111/0x550 arch/x86/kernel/apic/apic.c:1066 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:preempt_schedule_irq+0xab/0x140 kernel/sched/core.c:3693 Code: 00 00 e8 c8 a1 31 fa e8 b3 3a 5a fa 4c 89 f0 48 c1 e8 03 80 3c 18 00 75 6c 48 83 3d 0e 74 96 01 00 74 5e fb 66 0f 1f 44 00 00 01 00 00 00 e8 4b dc ff ff 48 c7 c0 f8 73 b2 88 48 c1 e8 03 80 RSP: 0018:ffff88808fb37b88 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1164e80 RBX: dffffc0000000000 RCX: 1ffff11012cf856e RDX: 0000000000000000 RSI: ffff8880967c2b50 RDI: ffff8880967c2afc RBP: ffff88808fb37ba8 R08: ffff8880967c2280 R09: ffff8880967c2b70 R10: 0000000000000000 R11: 0000000000000000 R12: ffffed1012cf8450 R13: ffff8880967c2280 R14: ffffffff88b27400 R15: 0000000000000000 retint_kernel+0x1b/0x2b RIP: 0010:srcu_advance_state kernel/rcu/srcutree.c:1120 [inline] RIP: 0010:process_srcu+0x1c7/0xe20 kernel/rcu/srcutree.c:1237 Code: df 48 8b 55 d0 48 c1 ea 03 80 3c 02 00 0f 85 41 0b 00 00 49 8b 87 f8 fe ff ff a8 03 0f 84 6a 09 00 00 4c 89 ef e8 49 3b bf 05 <4c> 89 e7 e8 81 4d be 05 49 8d 87 08 ff ff ff 48 89 45 c0 e9 ee fe RSP: 0018:ffff88808fb37c60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 RAX: 0000000000000000 RBX: ffffffff88c46f58 RCX: ffffffff8333693e RDX: 0000000000000000 RSI: ffffffff833369a7 RDI: ffffffff88c46f58 RBP: ffff88808fb37d30 R08: ffff8880967c2280 R09: 0000000000000040 R10: 0000000000000040 R11: ffffffff88c46ec7 R12: ffffffff88c46ec0 R13: 0000000000000080 R14: ffffffff88c46b20 R15: ffffffff88c47050 process_one_work+0x989/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x354/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1