======================================
| [    9.969438][  T187] netconsole: network logging started
| [    9.969510][  T242] ------------[ cut here ]------------
| [    9.969857][  T242] WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0xc0/0x140, CPU#3: pr/netcon_ext0/242
| [    9.970143][  T242] Modules linked in: netconsole netdevsim
[    9.970634][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.970846][  T242] RIP: 0010:__local_bh_enable_ip (kernel/softirq.c:430 (discriminator 34))
[    9.971034][  T242] Code: 00 00 00 e8 12 15 0a 00 e8 3d 7c 3c 00 fb 65 8b 05 05 72 40 04 85 c0 74 64 48 83 c4 10 c3 65 8b 05 11 b6 40 04 85 c0 75 a2 90 <0f> 0b 90 eb 9c 89 74 24 0c 4c 89 04 24 e8 ce 7f 3c 00 8b 74 24 0c
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 e8                	add    %ch,%al
   4:	12 15 0a 00 e8 3d    	adc    0x3de8000a(%rip),%dl        # 0x3de80014
   a:	7c 3c                	jl     0x48
   c:	00 fb                	add    %bh,%bl
   e:	65 8b 05 05 72 40 04 	mov    %gs:0x4407205(%rip),%eax        # 0x440721a
  15:	85 c0                	test   %eax,%eax
  17:	74 64                	je     0x7d
  19:	48 83 c4 10          	add    $0x10,%rsp
  1d:	c3                   	ret
  1e:	65 8b 05 11 b6 40 04 	mov    %gs:0x440b611(%rip),%eax        # 0x440b636
  25:	85 c0                	test   %eax,%eax
  27:	75 a2                	jne    0xffffffffffffffcb
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	eb 9c                	jmp    0xffffffffffffffcb
  2f:	89 74 24 0c          	mov    %esi,0xc(%rsp)
  33:	4c 89 04 24          	mov    %r8,(%rsp)
  37:	e8 ce 7f 3c 00       	call   0x3c800a
  3c:	8b 74 24 0c          	mov    0xc(%rsp),%esi

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	eb 9c                	jmp    0xffffffffffffffa1
   5:	89 74 24 0c          	mov    %esi,0xc(%rsp)
   9:	4c 89 04 24          	mov    %r8,(%rsp)
   d:	e8 ce 7f 3c 00       	call   0x3c7fe0
  12:	8b 74 24 0c          	mov    0xc(%rsp),%esi
[    9.971549][  T242] RSP: 0018:ffa00000008a78b8 EFLAGS: 00010046
[    9.971731][  T242] RAX: 0000000000000000 RBX: 00000000234b61cb RCX: 1ffffffff190ca80
[    9.971944][  T242] RDX: 0000000000000001 RSI: 0000000000000201 RDI: ffffffff8a6657ff
[    9.972161][  T242] RBP: ffa00000008a78e8 R08: ffffffff8a6657ff R09: ffe21c00003e8963
[    9.972374][  T242] R10: ffe21c00003e8964 R11: ff11000001f44b14 R12: ffa00000008a7990
[    9.972587][  T242] R13: ff1100000c7d1000 R14: ff1100000c7b2000 R15: ff1100000fa52d00
[    9.972801][  T242] FS:  0000000000000000(0000) GS:ff110000a260b000(0000) knlGS:0000000000000000
[    9.973056][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.973261][  T242] CR2: 00007ffe4d467058 CR3: 000000000b48a002 CR4: 0000000000771ef0
[    9.973474][  T242] PKRU: 55555554
[    9.973582][  T242] Call Trace:
[    9.973691][  T242]  <TASK>
[    9.973763][  T242]  ? _raw_spin_unlock_bh (./include/linux/spinlock_api_smp.h:196 (discriminator 1) kernel/locking/spinlock.c:210 (discriminator 1))
[    9.973909][  T242]  mock_phc_gettime64 (drivers/ptp/ptp_mock.c:98)
[    9.974053][  T242] nsim_start_xmit (./include/linux/skbuff.h:1724 ./include/linux/skbuff.h:1787 drivers/net/netdevsim/netdev.c:189) netdevsim
[    9.974238][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[    9.974379][  T242]  ? nsim_poll (drivers/net/netdevsim/netdev.c:123) netdevsim
[    9.974522][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[    9.974663][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[    9.974803][  T242]  ? netif_skb_features (net/core/dev.c:3747 net/core/dev.c:3856)
[    9.974944][  T242]  netpoll_start_xmit (./include/linux/netdevice.h:5285 net/core/netpoll.c:82)
[    9.975086][  T242]  __netpoll_send_skb (net/core/netpoll.c:341)
[    9.975235][  T242]  netpoll_send_skb (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 net/core/netpoll.c:408)
[    9.975375][  T242] send_ext_msg_udp (drivers/net/netconsole.c:1653 drivers/net/netconsole.c:1699 drivers/net/netconsole.c:1863) netconsole
[    9.975553][  T242] netconsole_write (drivers/net/netconsole.c:1915) netconsole
[    9.975733][  T242]  nbcon_emit_next_record (kernel/printk/nbcon.c:1070)
[    9.975880][  T242]  ? nbcon_can_proceed (kernel/printk/nbcon.c:981)
[    9.976024][  T242]  ? nbcon_context_try_acquire (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/printk/nbcon.c:170 kernel/printk/nbcon.c:630)
[    9.976217][  T242]  nbcon_emit_one (kernel/printk/nbcon.c:1157 (discriminator 1))
[    9.976357][  T242]  ? nbcon_emit_next_record (kernel/printk/nbcon.c:1130)
[    9.976506][  T242]  nbcon_kthread_func (kernel/printk/nbcon.c:1273)
[    9.976649][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[    9.976828][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[    9.976978][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[    9.977160][  T242]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1))
[    9.977304][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[    9.977481][  T242]  kthread (kernel/kthread.c:467)
[    9.977587][  T242]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
[    9.977772][  T242]  ? kthread_affine_node (kernel/kthread.c:412)
[    9.977912][  T242]  ret_from_fork (arch/x86/kernel/process.c:164)
[    9.978055][  T242]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.978234][  T242]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[    9.978374][  T242]  ? kthread_affine_node (kernel/kthread.c:412)
[    9.978516][  T242]  ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
| [    9.988929][    C3]  #13: ff1100000bc35228 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{3:3}, at: __dev_xmit_skb (./include/net/sch_generic.h:202 (discriminator 1) net/core/dev.c:4173 (discriminator 1))
| [    9.989199][    C3]
| [    9.989199][    C3] stack backtrace:
| [    9.989353][    C3] Tainted: [W]=WARN
[    9.989354][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.989354][    C3] Call Trace:
[    9.989355][    C3]  <IRQ>
[    9.989357][    C3]  dump_stack_lvl (lib/dump_stack.c:122)
[    9.989359][    C3]  print_usage_bug.part.0 (kernel/locking/lockdep.c:4045)
[    9.989361][    C3]  ? filter_irq_stacks (kernel/stacktrace.c:114)
[    9.989364][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4268)
[    9.989366][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[    9.989369][    C3]  ? save_trace (kernel/locking/lockdep.c:592)
[    9.989371][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[    9.989373][    C3]  mark_lock (kernel/locking/lockdep.c:4753)
[    9.989374][    C3]  mark_usage (kernel/locking/lockdep.c:4642 (discriminator 1))
[    9.989375][    C3]  __lock_acquire (kernel/locking/lockdep.c:5191)
[    9.989377][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 2) kernel/rcu/tree.c:4032 (discriminator 2))
[    9.989379][    C3]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 (discriminator 1) kernel/rcu/update.c:380 (discriminator 1))
[    9.989383][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[    9.989384][    C3]  ? sch_direct_xmit (./include/linux/netdevice.h:4715 (discriminator 2) net/sched/sch_generic.c:345 (discriminator 2))
[    9.989387][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[    9.989389][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[    9.989390][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:154)
[    9.989392][    C3]  ? sch_direct_xmit (./include/linux/netdevice.h:4715 (discriminator 2) net/sched/sch_generic.c:345 (discriminator 2))
[    9.989394][    C3]  sch_direct_xmit (./include/linux/netdevice.h:4715 (discriminator 2) net/sched/sch_generic.c:345 (discriminator 2))
[    9.989396][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[    9.989397][    C3]  ? dequeue_skb (net/sched/sch_generic.c:322)
[    9.989400][    C3]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 7) kernel/rcu/tree_plugin.h:414 (discriminator 7))
[    9.989401][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[    9.989403][    C3]  __dev_xmit_skb (net/core/dev.c:4186 (discriminator 1))
[    9.989405][    C3]  ? alloc_netdev_dummy (net/core/dev.c:4160)
[    9.989407][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[    9.989409][    C3]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:178 kernel/locking/spinlock.c:194)
[    9.989410][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[    9.989412][    C3]  __dev_queue_xmit (net/core/dev.c:4802 (discriminator 1))
[    9.989415][    C3]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 2))
[    9.989419][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4744)
[    9.989421][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[    9.989423][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[    9.989424][    C3]  ? arp_xmit (./include/linux/rcupdate.h:312 (discriminator 1) ./include/linux/rcupdate.h:850 (discriminator 1) net/ipv4/arp.c:664 (discriminator 1))
[    9.989426][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[    9.989428][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[    9.989429][    C3]  arp_xmit (./include/linux/rcupdate.h:879 net/ipv4/arp.c:669)
[    9.989432][    C3]  arp_solicit (net/ipv4/arp.c:393)
[    9.989434][    C3]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 6) kernel/locking/lockdep.c:4411 (discriminator 6))
[    9.989435][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[    9.989438][    C3]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:178 kernel/locking/spinlock.c:194)
[    9.989439][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 3) kernel/locking/spinlock.c:194 (discriminator 3))
[    9.989441][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[    9.989442][    C3]  ? arp_rcv (net/ipv4/arp.c:335)
[    9.989445][    C3]  ? neigh_probe (net/core/neighbour.c:1095)
[    9.989447][    C3]  neigh_probe (net/core/neighbour.c:1097)
[    9.989449][    C3]  __neigh_event_send (net/core/neighbour.c:1276)
[    9.989451][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:114)
[    9.989453][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[    9.989455][    C3]  neigh_resolve_output (net/core/neighbour.c:1603 (discriminator 1))
[    9.989456][    C3]  ? ___neigh_create (net/core/neighbour.c:726)
[    9.989459][    C3]  ? ___neigh_create (net/core/neighbour.c:726)
[    9.989461][    C3]  ip_finish_output2 (./include/net/neighbour.h:556 (discriminator 2) net/ipv4/ip_output.c:237 (discriminator 2))
[    9.989463][    C3]  ? ip_dst_mtu_maybe_forward (./include/net/ip.h:469)
[    9.989465][    C3]  ? inet_sk_init_flowi4 (./include/net/ip.h:469)
[    9.989467][    C3]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:201)
[    9.989469][    C3]  ? __ip_finish_output (./include/net/ip.h:518 net/ipv4/ip_output.c:308)
[    9.989471][    C3]  ip_output (./include/linux/netfilter.h:414 net/ipv4/ip_output.c:438)
[    9.989472][    C3]  ? __ip_local_out (net/ipv4/ip_output.c:98 (discriminator 1) net/ipv4/ip_output.c:109 (discriminator 1))
[    9.989475][    C3]  ip_push_pending_frames (net/ipv4/ip_output.c:1509 net/ipv4/ip_output.c:1528)
[    9.989477][    C3]  __icmp_send (net/ipv4/icmp.c:1002)
[    9.989481][    C3]  ? icmp_echo (net/ipv4/icmp.c:804)
[    9.989483][    C3]  ? dst_init (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/rcuref.h:26 net/core/dst.c:69)
[    9.989485][    C3]  ? dst_alloc (net/core/dst.c:94)
[    9.989487][    C3]  ? fib_validate_source (net/ipv4/fib_frontend.c:450 (discriminator 1))
[    9.989492][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[    9.989495][    C3]  __udp4_lib_rcv (net/ipv4/udp.c:2767)
[    9.989498][    C3]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2689)
[    9.989500][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[    9.989501][    C3]  ? ip_local_deliver_finish.constprop.0 (./include/linux/rcupdate.h:312 (discriminator 1) ./include/linux/rcupdate.h:850 (discriminator 1) net/ipv4/ip_input.c:240 (discriminator 1))
[    9.989504][    C3]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:209)
[    9.989506][    C3]  ip_local_deliver_finish.constprop.0 (./include/linux/rcupdate.h:879 net/ipv4/ip_input.c:242)
[    9.989508][    C3]  ? ip_rcv_finish_core (net/ipv4/ip_input.c:370 (discriminator 1))
[    9.989510][    C3]  ? ip_local_deliver (./include/net/net_namespace.h:419 (discriminator 10) ./include/linux/netdevice.h:2741 (discriminator 10) net/ipv4/ip_input.c:255 (discriminator 10))
[    9.989512][    C3]  ip_sublist_rcv_finish (net/ipv4/ip_input.c:582 (discriminator 4))
[    9.989514][    C3]  ip_list_rcv_finish (net/ipv4/ip_input.c:603)
[    9.989517][    C3]  ? ip_rcv_finish_core (net/ipv4/ip_input.c:603)
[    9.989519][    C3]  ? ip_rcv_core (net/ipv4/ip_input.c:540)
[    9.989521][    C3]  ip_list_rcv (net/ipv4/ip_input.c:650)
[    9.989523][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[    9.989524][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[    9.989526][    C3]  ? ip_rcv (net/ipv4/ip_input.c:650)
[    9.989528][    C3]  __netif_receive_skb_list_core (net/core/dev.c:6215)
[    9.989531][    C3]  ? __netif_receive_skb_core.constprop.0 (net/core/dev.c:6215)
[    9.989533][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[    9.989535][    C3]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 33) kernel/locking/lockdep.c:5831 (discriminator 33))
[    9.989537][    C3]  netif_receive_skb_list_internal (net/core/dev.c:6306 net/core/dev.c:6395)
[    9.989539][    C3]  ? process_backlog (net/core/dev.c:6367)
[    9.989542][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[    9.989543][    C3]  ? reacquire_held_locks (kernel/locking/lockdep.c:238 (discriminator 3) kernel/locking/lockdep.c:227 (discriminator 3) kernel/locking/lockdep.c:5386 (discriminator 3))
[    9.989545][    C3]  napi_complete_done (./include/linux/list.h:45 (discriminator 2) ./include/net/gro.h:524 (discriminator 2) ./include/net/gro.h:519 (discriminator 2) ./include/net/gro.h:531 (discriminator 2) net/core/dev.c:6764 (discriminator 2))
[    9.989547][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[    9.989549][    C3]  ? netif_receive_skb_list (net/core/dev.c:6733)
[    9.989551][    C3]  ? nsim_start_peer_tx_queue.isra.0 (./include/linux/rcupdate.h:322 (discriminator 1) ./include/linux/rcupdate.h:881 (discriminator 1) drivers/net/netdevsim/netdev.c:67 (discriminator 1)) netdevsim
[    9.989555][    C3] nsim_poll (drivers/net/netdevsim/netdev.c:510 drivers/net/netdevsim/netdev.c:543) netdevsim
[    9.989558][    C3]  ? nsim_start_peer_tx_queue.isra.0 (drivers/net/netdevsim/netdev.c:539) netdevsim
[    9.989561][    C3]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 (discriminator 1) kernel/rcu/update.c:380 (discriminator 1))
[    9.989563][    C3]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 4) kernel/locking/lockdep.c:3821 (discriminator 4) kernel/locking/lockdep.c:3876 (discriminator 4))
[    9.989565][    C3]  __napi_poll.constprop.0 (net/core/dev.c:7692)
[    9.989568][    C3]  net_rx_action (net/core/dev.c:7754 net/core/dev.c:7906)
[    9.989571][    C3]  ? run_backlog_napi (net/core/dev.c:7868)
[    9.989573][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5350 (discriminator 1))
[    9.989576][    C3]  ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 (discriminator 1) arch/x86/kernel/kvmclock.c:81 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[    9.989580][    C3]  ? ktime_get (kernel/time/timekeeping.c:381 kernel/time/timekeeping.c:404 kernel/time/timekeeping.c:826)
[    9.989582][    C3]  ? mark_held_locks (kernel/locking/lockdep.c:4325 (discriminator 1))
[    9.989584][    C3]  handle_softirqs (./arch/x86/include/asm/jump_label.h:37 ./include/trace/events/irq.h:142 kernel/softirq.c:623)
[    9.989586][    C3]  ? _local_bh_enable (kernel/softirq.c:580)
[    9.989588][    C3]  irq_exit_rcu (kernel/softirq.c:657 kernel/softirq.c:496 kernel/softirq.c:723 kernel/softirq.c:739)
[    9.989589][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1056 (discriminator 47) arch/x86/kernel/apic/apic.c:1056 (discriminator 47))
[    9.989591][    C3]  </IRQ>
[    9.989592][    C3]  <TASK>
[    9.989593][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697)
[    9.989595][    C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 kernel/locking/spinlock.c:194)
[    9.989597][    C3] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 31 22 db fd 48 89 df e8 f9 75 db fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 40 9e ce fd 65 8b 05 39 fb 04 02 85 c0 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 31 22 db fd       	call   0xfffffffffddb2244
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 f9 75 db fd       	call   0xfffffffffddb7614
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 40 9e ce fd       	call   0xfffffffffdce9e74
  34:	65 8b 05 39 fb 04 02 	mov    %gs:0x204fb39(%rip),%eax        # 0x204fb74
  3b:	85 c0                	test   %eax,%eax
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 40 9e ce fd       	call   0xfffffffffdce9e4a
   a:	65 8b 05 39 fb 04 02 	mov    %gs:0x204fb39(%rip),%eax        # 0x204fb4a
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[    9.989599][    C3] RSP: 0018:ffa00000008a78e0 EFLAGS: 00000246
[    9.989600][    C3] RAX: 0000000000000086 RBX: ff1100002f7a65c0 RCX: ffffffff8b145503
[    9.989602][    C3] RDX: ff1100000bfc8040 RSI: ffffffff8b9d3441 RDI: ffffffff8b46c680
[    9.989602][    C3] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000001
[    9.989603][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: ff11000009a42040
[    9.989604][    C3] R13: ff1100000c7d1000 R14: ff1100000c7b2000 R15: ff1100000c7d1228
[    9.989606][    C3]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:178 kernel/locking/spinlock.c:194)
[    9.989608][    C3] nsim_start_xmit (./include/linux/hrtimer.h:245 drivers/net/netdevsim/netdev.c:197) netdevsim
[    9.989611][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5237 (discriminator 1))
[    9.989613][    C3]  ? nsim_poll (drivers/net/netdevsim/netdev.c:123) netdevsim
[    9.989616][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[    9.989617][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[    9.989619][    C3]  ? netif_skb_features (net/core/dev.c:3747 net/core/dev.c:3856)
[    9.989621][    C3]  netpoll_start_xmit (./include/linux/netdevice.h:5285 net/core/netpoll.c:82)
[    9.989623][    C3]  __netpoll_send_skb (net/core/netpoll.c:341)
[    9.989625][    C3]  netpoll_send_skb (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 net/core/netpoll.c:408)
[    9.989627][    C3] send_ext_msg_udp (drivers/net/netconsole.c:1653 drivers/net/netconsole.c:1699 drivers/net/netconsole.c:1863) netconsole
[    9.989630][    C3] netconsole_write (drivers/net/netconsole.c:1915) netconsole
[    9.989632][    C3]  nbcon_emit_next_record (kernel/printk/nbcon.c:1070)
[    9.989634][    C3]  ? nbcon_can_proceed (kernel/printk/nbcon.c:981)
[    9.989637][    C3]  ? nbcon_context_try_acquire (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/printk/nbcon.c:170 kernel/printk/nbcon.c:630)
[    9.989640][    C3]  nbcon_emit_one (kernel/printk/nbcon.c:1157 (discriminator 1))
[    9.989642][    C3]  ? nbcon_emit_next_record (kernel/printk/nbcon.c:1130)
[    9.989644][    C3]  nbcon_kthread_func (kernel/printk/nbcon.c:1273)
[    9.989647][    C3]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[    9.989648][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[    9.989650][    C3]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[    9.989652][    C3]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1))
[    9.989654][    C3]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[    9.989656][    C3]  kthread (kernel/kthread.c:467)
[    9.989657][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
[    9.989660][    C3]  ? kthread_affine_node (kernel/kthread.c:412)
[    9.989661][    C3]  ret_from_fork (arch/x86/kernel/process.c:164)
[    9.989663][    C3]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.989665][    C3]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[    9.989667][    C3]  ? kthread_affine_node (kernel/kthread.c:412)
[    9.989669][    C3]  ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
| [   10.008885][  T242] netpoll_send_skb_on_dev(): eni372np1 enabled interrupts in poll nsim_start_xmit (drivers/net/netdevsim/netdev.c:123) netdevsim
| [   10.009078][  T242] WARNING: net/core/netpoll.c:356 at __netpoll_send_skb+0x710/0x800, CPU#3: pr/netcon_ext0/242
| [   10.009268][  T242] Modules linked in: netconsole netdevsim
| [   10.009804][  T242] Tainted: [W]=WARN
[   10.009876][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.009987][  T242] RIP: 0010:__netpoll_send_skb (net/core/netpoll.c:356 (discriminator 11))
[   10.010102][  T242] Code: 08 49 8d 7c 24 20 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 d9 00 00 00 48 8d 3d a0 72 ea 01 49 8b 54 24 20 48 8d b3 18 01 00 00 <67> 48 0f b9 3a e9 cc fd ff ff e8 65 3f ca fe e9 56 fb ff ff e8 7b
All code
========
   0:	08 49 8d             	or     %cl,-0x73(%rcx)
   3:	7c 24                	jl     0x29
   5:	20 48 89             	and    %cl,-0x77(%rax)
   8:	fa                   	cli
   9:	48 c1 ea 03          	shr    $0x3,%rdx
   d:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  11:	0f 85 d9 00 00 00    	jne    0xf0
  17:	48 8d 3d a0 72 ea 01 	lea    0x1ea72a0(%rip),%rdi        # 0x1ea72be
  1e:	49 8b 54 24 20       	mov    0x20(%r12),%rdx
  23:	48 8d b3 18 01 00 00 	lea    0x118(%rbx),%rsi
  2a:*	67 48 0f b9 3a       	ud1    (%edx),%rdi		<-- trapping instruction
  2f:	e9 cc fd ff ff       	jmp    0xfffffffffffffe00
  34:	e8 65 3f ca fe       	call   0xfffffffffeca3f9e
  39:	e9 56 fb ff ff       	jmp    0xfffffffffffffb94
  3e:	e8                   	.byte 0xe8
  3f:	7b                   	.byte 0x7b

Code starting with the faulting instruction
===========================================
   0:	67 48 0f b9 3a       	ud1    (%edx),%rdi
   5:	e9 cc fd ff ff       	jmp    0xfffffffffffffdd6
   a:	e8 65 3f ca fe       	call   0xfffffffffeca3f74
   f:	e9 56 fb ff ff       	jmp    0xfffffffffffffb6a
  14:	e8                   	.byte 0xe8
  15:	7b                   	.byte 0x7b
[   10.010412][  T242] RSP: 0018:ffa00000008a7a40 EFLAGS: 00010246
[   10.010534][  T242] RAX: dffffc0000000000 RBX: ff1100000fa52000 RCX: 0000000000000002
[   10.010669][  T242] RDX: ffffffffc0605f00 RSI: ff1100000fa52118 RDI: ffffffff8c8b1be0
[   10.010804][  T242] RBP: ff110000095d7400 R08: ffffffff88efcb29 R09: ffe21c00014185a0
[   10.010937][  T242] R10: ffe21c00014185a1 R11: 0000000000000001 R12: ffffffffc05a2c60
[   10.011072][  T242] R13: 0000000000000003 R14: ff1100000fa52004 R15: ff1100000a0c2c00
[   10.011221][  T242] FS:  0000000000000000(0000) GS:ff110000a260b000(0000) knlGS:0000000000000000
[   10.011378][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.011495][  T242] CR2: 00007ffe4d467058 CR3: 000000003773b006 CR4: 0000000000771ef0
[   10.011629][  T242] PKRU: 55555554
[   10.011698][  T242] Call Trace:
[   10.011766][  T242]  <TASK>
[   10.011815][  T242]  netpoll_send_skb (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 net/core/netpoll.c:408)
[   10.011904][  T242] send_ext_msg_udp (drivers/net/netconsole.c:1653 drivers/net/netconsole.c:1699 drivers/net/netconsole.c:1863) netconsole
[   10.012014][  T242] netconsole_write (drivers/net/netconsole.c:1915) netconsole
[   10.012125][  T242]  nbcon_emit_next_record (kernel/printk/nbcon.c:1070)
[   10.012221][  T242]  ? nbcon_can_proceed (kernel/printk/nbcon.c:981)
[   10.012312][  T242]  ? nbcon_context_try_acquire (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/printk/nbcon.c:170 kernel/printk/nbcon.c:630)
[   10.012430][  T242]  nbcon_emit_one (kernel/printk/nbcon.c:1157 (discriminator 1))
[   10.012519][  T242]  ? nbcon_emit_next_record (kernel/printk/nbcon.c:1130)
[   10.012608][  T242]  nbcon_kthread_func (kernel/printk/nbcon.c:1273)
[   10.012697][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[   10.012807][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[   10.012895][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[   10.013005][  T242]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1))
[   10.013101][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[   10.013217][  T242]  kthread (kernel/kthread.c:467)
[   10.013283][  T242]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
[   10.013393][  T242]  ? kthread_affine_node (kernel/kthread.c:412)
[   10.013488][  T242]  ret_from_fork (arch/x86/kernel/process.c:164)
[   10.013578][  T242]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.013689][  T242]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[   10.013777][  T242]  ? kthread_affine_node (kernel/kthread.c:412)
[   10.013867][  T242]  ret_from_fork_asm (arch/x86/entry/entry_64.S:255)
| [   10.014916][  T242] raw_local_irq_restore() called with IRQs enabled
| [   10.015021][  T242] WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20, CPU#3: pr/netcon_ext0/242
| [   10.015221][  T242] Modules linked in: netconsole netdevsim
| [   10.015522][  T242] Tainted: [W]=WARN
[   10.015588][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.015698][  T242] RIP: 0010:warn_bogus_irq_restore (kernel/locking/irqflag-debug.c:10 (discriminator 4))
[   10.015811][  T242] Code: e5 8b 48 89 54 24 08 48 89 0c 24 e8 7e 0d d1 fe 48 8b 54 24 08 48 8b 0c 24 e9 25 ff ff ff f3 0f 1e fa 90 48 8d 3d 54 d2 75 01 <67> 48 0f b9 3a 90 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f
All code
========
   0:	e5 8b                	in     $0x8b,%eax
   2:	48 89 54 24 08       	mov    %rdx,0x8(%rsp)
   7:	48 89 0c 24          	mov    %rcx,(%rsp)
   b:	e8 7e 0d d1 fe       	call   0xfffffffffed10d8e
  10:	48 8b 54 24 08       	mov    0x8(%rsp),%rdx
  15:	48 8b 0c 24          	mov    (%rsp),%rcx
  19:	e9 25 ff ff ff       	jmp    0xffffffffffffff43
  1e:	f3 0f 1e fa          	endbr64
  22:	90                   	nop
  23:	48 8d 3d 54 d2 75 01 	lea    0x175d254(%rip),%rdi        # 0x175d27e
  2a:*	67 48 0f b9 3a       	ud1    (%edx),%rdi		<-- trapping instruction
  2f:	90                   	nop
  30:	c3                   	ret
  31:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  38:	00 00 00 
  3b:	0f 1f 00             	nopl   (%rax)
  3e:	f3                   	repz
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	67 48 0f b9 3a       	ud1    (%edx),%rdi
   5:	90                   	nop
   6:	c3                   	ret
   7:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   e:	00 00 00 
  11:	0f 1f 00             	nopl   (%rax)
  14:	f3                   	repz
  15:	0f                   	.byte 0xf
[   10.016123][  T242] RSP: 0018:ffa00000008a7a98 EFLAGS: 00010202
[   10.016238][  T242] RAX: 0000000000000000 RBX: ff11000008e4c130 RCX: 0000000000000000
[   10.016369][  T242] RDX: 0000000000000282 RSI: ffffffff8b46c600 RDI: ffffffff8c87ae60
[   10.016505][  T242] RBP: 0000000000000040 R08: ffffffff88efcb29 R09: ffe21c00014185a0
[   10.016638][  T242] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000000003a8
[   10.016772][  T242] R13: ffa00000008a7da0 R14: ff11000008e4c000 R15: ff11000008e4c650
[   10.016905][  T242] FS:  0000000000000000(0000) GS:ff110000a260b000(0000) knlGS:0000000000000000
[   10.017059][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.017174][  T242] CR2: 00007ffe4d467058 CR3: 000000003773b006 CR4: 0000000000771ef0
[   10.017308][  T242] PKRU: 55555554
[   10.017375][  T242] Call Trace:
[   10.017445][  T242]  <TASK>
[   10.017490][  T242]  netpoll_send_skb (net/core/netpoll.c:408 (discriminator 12))
[   10.017579][  T242] send_ext_msg_udp (drivers/net/netconsole.c:1653 drivers/net/netconsole.c:1699 drivers/net/netconsole.c:1863) netconsole
[   10.017689][  T242] netconsole_write (drivers/net/netconsole.c:1915) netconsole
[   10.017799][  T242]  nbcon_emit_next_record (kernel/printk/nbcon.c:1070)
[   10.017887][  T242]  ? nbcon_can_proceed (kernel/printk/nbcon.c:981)
[   10.017976][  T242]  ? nbcon_context_try_acquire (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/printk/nbcon.c:170 kernel/printk/nbcon.c:630)
[   10.018086][  T242]  nbcon_emit_one (kernel/printk/nbcon.c:1157 (discriminator 1))
[   10.018179][  T242]  ? nbcon_emit_next_record (kernel/printk/nbcon.c:1130)
[   10.018269][  T242]  nbcon_kthread_func (kernel/printk/nbcon.c:1273)
[   10.018357][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[   10.018474][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[   10.018564][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[   10.018675][  T242]  ? __kthread_parkme (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) kernel/kthread.c:290 (discriminator 1))
[   10.018767][  T242]  ? __nbcon_atomic_flush_pending (kernel/printk/nbcon.c:1221)
[   10.018876][  T242]  kthread (kernel/kthread.c:467)
[   10.018943][  T242]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 33))
[   10.019053][  T242]  ? kthread_affine_node (kernel/kthread.c:412)
[   10.019146][  T242]  ret_from_fork (arch/x86/kernel/process.c:164)
[   10.019239][  T242]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.019351][  T242]  ? __switch_to (./arch/x86/include/asm/cpufeature.h:101 arch/x86/kernel/process_64.c:377 arch/x86/kernel/process_64.c:665)
[   10.019444][  T242]  ? kthread_affine_node (kernel/kthread.c:412)


Finger prints:
__netpoll_send_skb:netpoll_send_skb:send_ext_msg_udp:netconsole_write:nbcon_emit_next_record
warn_bogus_irq_restore:netpoll_send_skb:send_ext_msg_udp:netconsole_write:nbcon_emit_next_record
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__local_bh_enable_ip:mock_phc_gettime64:nsim_start_xmit:netpoll_start_xmit:__netpoll_send_skb