======================================
| [ 492.558756][ T1613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
| [  492.558759][ T1613]
| [  492.558759][ T1613]
| [  492.558759][ T1613] stack backtrace:
[  492.558767][ T1613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  492.558768][ T1613] Call Trace:
[  492.558770][ T1613]  <TASK>
[ 492.558772][ T1613] dump_stack_lvl (lib/dump_stack.c:123) 
[ 492.558777][ T1613] print_bad_irq_dependency (kernel/locking/lockdep.c:2618) 
[ 492.558782][ T1613] check_irq_usage (kernel/locking/lockdep.c:2863) 
[ 492.558786][ T1613] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 492.558791][ T1613] ? __bfs (kernel/locking/lockdep.c:1815 (discriminator 1)) 
[ 492.558795][ T1613] ? check_path.constprop.0 (kernel/locking/lockdep.c:2133) 
[ 492.558797][ T1613] ? check_noncircular (kernel/locking/lockdep.c:2160) 
[ 492.558802][ T1613] ? check_prev_add (kernel/locking/lockdep.c:3169) 
[ 492.558804][ T1613] check_prev_add (kernel/locking/lockdep.c:3169) 
[ 492.558808][ T1613] validate_chain (kernel/locking/lockdep.c:3285 kernel/locking/lockdep.c:3908) 
[ 492.558813][ T1613] __lock_acquire (kernel/locking/lockdep.c:5237) 
[ 492.558817][ T1613] lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) 
[ 492.558820][ T1613] ? virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 492.558823][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 492.558828][ T1613] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 492.558830][ T1613] ? virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 492.558833][ T1613] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 492.558836][ T1613] ? virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 492.558839][ T1613] virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 492.558842][ T1613] poll_napi (net/core/netpoll.c:156 net/core/netpoll.c:170) 
[ 492.558846][ T1613] netpoll_poll_dev (net/core/netpoll.c:202) 
[ 492.558850][ T1613] __netpoll_send_skb (./include/asm-generic/delay.h:62 net/core/netpoll.c:356) 
[ 492.558854][ T1613] ? netpoll_send_udp (./include/linux/skbuff.h:3109 net/core/netpoll.c:490 net/core/netpoll.c:528) 
[ 492.558858][ T1613] netpoll_send_skb (net/core/netpoll.c:410) 
[ 492.558861][ T1613] send_ext_msg_udp (drivers/net/netconsole.c:1498 drivers/net/netconsole.c:1536 drivers/net/netconsole.c:1692) netconsole 
[ 492.558867][ T1613] write_ext_msg (drivers/net/netconsole.c:1710 drivers/net/netconsole.c:1698) netconsole 
[ 492.558872][ T1613] console_emit_next_record (kernel/printk/printk.c:3055 (discriminator 3) kernel/printk/printk.c:3139 (discriminator 3)) 
[ 492.558876][ T1613] ? devkmsg_read (kernel/printk/printk.c:3082) 
[ 492.558880][ T1613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 492.558885][ T1613] console_flush_all (kernel/printk/printk.c:3227) 
[ 492.558890][ T1613] ? console_emit_next_record (kernel/printk/printk.c:3188) 
[ 492.558895][ T1613] console_unlock (kernel/printk/printk.c:3286 kernel/printk/printk.c:3325) 
[ 492.558899][ T1613] ? console_flush_all (kernel/printk/printk.c:3320) 
[ 492.558902][ T1613] ? lock_acquire (kernel/locking/lockdep.c:5872) 
[ 492.558904][ T1613] ? vprintk_emit (kernel/printk/printk.c:2449) 
[ 492.558909][ T1613] ? __down_trylock_console_sem (kernel/printk/printk.c:332) 
[ 492.558912][ T1613] ? vprintk_emit (kernel/printk/printk.c:2449) 
[ 492.558916][ T1613] vprintk_emit (kernel/printk/printk.c:2450) 
[ 492.558919][ T1613] ? wake_up_klogd_work_func (kernel/printk/printk.c:2397) 
[ 492.558923][ T1613] ? rcu_gp_is_expedited (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/rcu/update.c:196) 
[ 492.558926][ T1613] ? synchronize_rcu (kernel/rcu/tree.c:3351) 
[ 492.558929][ T1613] _printk (kernel/printk/printk.c:2470) 
[ 492.558932][ T1613] ? console_prepend_message (kernel/printk/printk.c:2470) 
[ 492.558938][ T1613] ? trace_rcu_sr_normal (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:646 ./include/linux/cpumask.h:1205 ./include/trace/events/rcu.h:681) 
[ 492.558941][ T1613] enabled_store (drivers/net/netconsole.c:630) netconsole 
[ 492.558945][ T1613] ? down_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1268 kernel/locking/rwsem.c:1274 kernel/locking/rwsem.c:1539) 
[ 492.558948][ T1613] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:561) netconsole 
[ 492.558955][ T1613] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:561) netconsole 
[ 492.558958][ T1613] configfs_write_iter (fs/configfs/file.c:208 fs/configfs/file.c:229) 
[ 492.558963][ T1613] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
[ 492.558967][ T1613] ? ww_mutex_lock (kernel/locking/mutex.c:759) 
[ 492.558970][ T1613] ? kernel_write (fs/read_write.c:667) 
[ 492.558973][ T1613] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1072) 
[ 492.558980][ T1613] ksys_write (fs/read_write.c:738) 
[ 492.558983][ T1613] ? __ia32_sys_read (fs/read_write.c:728) 
[ 492.558988][ T1613] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 492.558991][ T1613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  492.558993][ T1613] RIP: 0033:0x7faf2588236f
[ 492.558997][ T1613] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 89 8a f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 dc 8a f8 ff 48
All code
========
   0:	89 54 24 18          	mov    %edx,0x18(%rsp)
   4:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
   9:	89 7c 24 08          	mov    %edi,0x8(%rsp)
   d:	e8 89 8a f8 ff       	call   0xfffffffffff88a9b
  12:	48 8b 54 24 18       	mov    0x18(%rsp),%rdx
  17:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  1c:	41 89 c0             	mov    %eax,%r8d
  1f:	8b 7c 24 08          	mov    0x8(%rsp),%edi
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 31                	ja     0x63
  32:	44 89 c7             	mov    %r8d,%edi
  35:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  3a:	e8 dc 8a f8 ff       	call   0xfffffffffff88b1b
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 31                	ja     0x39
   8:	44 89 c7             	mov    %r8d,%edi
   b:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
  10:	e8 dc 8a f8 ff       	call   0xfffffffffff88af1
  15:	48                   	rex.W
[  492.559000][ T1613] RSP: 002b:00007ffe67808a60 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  492.559003][ T1613] RAX: ffffffffffffffda RBX: 00007faf256a8148 RCX: 00007faf2588236f
[  492.559005][ T1613] RDX: 0000000000000001 RSI: 000056222457e2c0 RDI: 000000000000000a
[  492.559007][ T1613] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000002
[  492.559008][ T1613] R10: 0000000000000002 R11: 0000000000000293 R12: 00007faf1759bdc0


Finger prints:
print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire