watchdog: BUG: soft lockup - CPU#0 stuck for 134s! [kworker/0:2:1400] Modules linked in: irq event stamp: 494028 hardirqs last enabled at (494027): [] restore_regs_and_return_to_kernel+0x0/0x26 hardirqs last disabled at (494028): [] apic_timer_interrupt+0x98/0xb0 arch/x86/entry/entry_64.S:795 softirqs last enabled at (484570): [] __do_softirq+0x733/0xbb2 kernel/softirq.c:311 softirqs last disabled at (484563): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (484563): [] irq_exit+0x1d3/0x210 kernel/softirq.c:405 CPU: 0 PID: 1400 Comm: kworker/0:2 Not tainted 4.15.0-rc1+ #198 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events jump_label_update_timeout task: ffff8801d2abe540 task.stack: ffff8801d2ac0000 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:636 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:641 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x364/0x560 kernel/smp.c:302 RSP: 0018:ffff8801d2ac6f00 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff11 RAX: ffff8801d2abe540 RBX: 1ffff1003a558de8 RCX: ffffffff8164c2e2 RDX: 0000000000000000 RSI: 00000000000000fb RDI: ffff8801d2ac6ff8 RBP: ffff8801d2ac7050 R08: 1ffff1003a558dff R09: 0000000000000000 R10: ffff8801d2ac7078 R11: 0000000000000000 R12: ffff8801d2ac6ff8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed003a558df4 FS: 0000000000000000(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020335ffc CR3: 00000001d0869000 CR4: 00000000001426f0 Call Trace: smp_call_function_many+0x773/0x930 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x3d/0x1b0 kernel/smp.c:602 text_poke_bp+0xe4/0x170 arch/x86/kernel/alternative.c:819 __jump_label_transform.isra.0+0x6a5/0x8a0 arch/x86/kernel/jump_label.c:102 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:110 __jump_label_update+0x207/0x2d0 kernel/jump_label.c:368 jump_label_update+0x22c/0x2b0 kernel/jump_label.c:735 static_key_slow_dec_cpuslocked+0x176/0x1d0 kernel/jump_label.c:204 __static_key_slow_dec kernel/jump_label.c:214 [inline] jump_label_update_timeout+0x1f/0x30 kernel/jump_label.c:222 process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2112 worker_thread+0x223/0x1990 kernel/workqueue.c:2246 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 Code: 00 00 00 fc ff df 44 89 bd 50 ff ff ff 48 c1 e8 03 4c 01 e8 41 83 e7 01 c6 00 f8 74 4e 49 89 c7 49 83 c4 18 e8 4e 25 0b 00 f3 90 <4c> 89 e2 41 c6 07 04 48 c1 ea 03 42 0f b6 14 2a 84 d2 74 09 80 Kernel panic - not syncing: softlockup: hung tasks CPU: 0 PID: 1400 Comm: kworker/0:2 Tainted: G L 4.15.0-rc1+ #198 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events jump_label_update_timeout Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 watchdog_timer_fn+0x314/0x320 kernel/watchdog.c:443 __run_hrtimer kernel/time/hrtimer.c:1211 [inline] __hrtimer_run_queues+0x349/0xe10 kernel/time/hrtimer.c:1275 hrtimer_interrupt+0x1d4/0x5f0 kernel/time/hrtimer.c:1309 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:795 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:636 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:641 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x364/0x560 kernel/smp.c:302 RSP: 0018:ffff8801d2ac6f00 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff11 RAX: ffff8801d2abe540 RBX: 1ffff1003a558de8 RCX: ffffffff8164c2e2 RDX: 0000000000000000 RSI: 00000000000000fb RDI: ffff8801d2ac6ff8 RBP: ffff8801d2ac7050 R08: 1ffff1003a558dff R09: 0000000000000000 R10: ffff8801d2ac7078 R11: 0000000000000000 R12: ffff8801d2ac6ff8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed003a558df4 smp_call_function_many+0x773/0x930 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x3d/0x1b0 kernel/smp.c:602 text_poke_bp+0xe4/0x170 arch/x86/kernel/alternative.c:819 __jump_label_transform.isra.0+0x6a5/0x8a0 arch/x86/kernel/jump_label.c:102 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:110 __jump_label_update+0x207/0x2d0 kernel/jump_label.c:368 jump_label_update+0x22c/0x2b0 kernel/jump_label.c:735 static_key_slow_dec_cpuslocked+0x176/0x1d0 kernel/jump_label.c:204 __static_key_slow_dec kernel/jump_label.c:214 [inline] jump_label_update_timeout+0x1f/0x30 kernel/jump_label.c:222 process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2112 worker_thread+0x223/0x1990 kernel/workqueue.c:2246 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..