======================================
| [ 508.567917][ T1589] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
| [  508.567920][ T1589]
| [  508.567920][ T1589]
| [  508.567920][ T1589] stack backtrace:
[  508.567929][ T1589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  508.567931][ T1589] Call Trace:
[  508.567934][ T1589]  <TASK>
[ 508.567936][ T1589] dump_stack_lvl (lib/dump_stack.c:123) 
[ 508.567940][ T1589] print_bad_irq_dependency (kernel/locking/lockdep.c:2618) 
[ 508.567946][ T1589] check_irq_usage (kernel/locking/lockdep.c:2863) 
[ 508.567950][ T1589] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 508.567954][ T1589] ? __bfs (kernel/locking/lockdep.c:1815 (discriminator 1)) 
[ 508.567958][ T1589] ? check_path.constprop.0 (kernel/locking/lockdep.c:2133) 
[ 508.567961][ T1589] ? check_noncircular (kernel/locking/lockdep.c:2160) 
[ 508.567966][ T1589] ? check_prev_add (kernel/locking/lockdep.c:3169) 
[ 508.567969][ T1589] check_prev_add (kernel/locking/lockdep.c:3169) 
[ 508.567973][ T1589] validate_chain (kernel/locking/lockdep.c:3285 kernel/locking/lockdep.c:3908) 
[ 508.567978][ T1589] __lock_acquire (kernel/locking/lockdep.c:5237) 
[ 508.567982][ T1589] lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) 
[ 508.567985][ T1589] ? virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 508.567988][ T1589] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 508.567992][ T1589] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 508.567994][ T1589] ? virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 508.567998][ T1589] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 508.568001][ T1589] ? virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 508.568003][ T1589] virtnet_poll_tx (./include/linux/netdevice.h:4661 drivers/net/virtio_net.c:3255) 
[ 508.568007][ T1589] poll_napi (net/core/netpoll.c:156 net/core/netpoll.c:170) 
[ 508.568011][ T1589] netpoll_poll_dev (net/core/netpoll.c:202) 
[ 508.568015][ T1589] __netpoll_send_skb (./include/asm-generic/delay.h:62 net/core/netpoll.c:356) 
[ 508.568018][ T1589] ? netpoll_send_udp (./include/linux/skbuff.h:3109 net/core/netpoll.c:490 net/core/netpoll.c:528) 
[ 508.568022][ T1589] netpoll_send_skb (net/core/netpoll.c:410) 
[ 508.568025][ T1589] send_ext_msg_udp (drivers/net/netconsole.c:1495 drivers/net/netconsole.c:1533 drivers/net/netconsole.c:1689) netconsole 
[ 508.568031][ T1589] write_ext_msg (drivers/net/netconsole.c:1707 drivers/net/netconsole.c:1695) netconsole 
[ 508.568037][ T1589] console_emit_next_record (kernel/printk/printk.c:3055 (discriminator 3) kernel/printk/printk.c:3139 (discriminator 3)) 
[ 508.568041][ T1589] ? devkmsg_read (kernel/printk/printk.c:3082) 
[ 508.568045][ T1589] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 508.568050][ T1589] console_flush_all (kernel/printk/printk.c:3227) 
[ 508.568055][ T1589] ? console_emit_next_record (kernel/printk/printk.c:3188) 
[ 508.568061][ T1589] console_unlock (kernel/printk/printk.c:3286 kernel/printk/printk.c:3325) 
[ 508.568064][ T1589] ? console_flush_all (kernel/printk/printk.c:3320) 
[ 508.568067][ T1589] ? lock_acquire (kernel/locking/lockdep.c:5872) 
[ 508.568069][ T1589] ? vprintk_emit (kernel/printk/printk.c:2449) 
[ 508.568074][ T1589] ? __down_trylock_console_sem (kernel/printk/printk.c:332) 
[ 508.568076][ T1589] ? vprintk_emit (kernel/printk/printk.c:2449) 
[ 508.568083][ T1589] vprintk_emit (kernel/printk/printk.c:2450) 
[ 508.568088][ T1589] ? wake_up_klogd_work_func (kernel/printk/printk.c:2397) 
[ 508.568095][ T1589] ? 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) 
[ 508.568097][ T1589] ? synchronize_rcu (kernel/rcu/tree.c:3351) 
[ 508.568101][ T1589] _printk (kernel/printk/printk.c:2470) 
[ 508.568104][ T1589] ? console_prepend_message (kernel/printk/printk.c:2470) 
[ 508.568113][ T1589] ? 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) 
[ 508.568119][ T1589] enabled_store (drivers/net/netconsole.c:603) netconsole 
[ 508.568123][ T1589] ? down_read (./arch/x86/include/asm/preempt.h:104 kernel/locking/rwsem.c:1268 kernel/locking/rwsem.c:1274 kernel/locking/rwsem.c:1539) 
[ 508.568127][ T1589] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:534) netconsole 
[ 508.568133][ T1589] ? netconsole_process_cleanups_core (drivers/net/netconsole.c:534) netconsole 
[ 508.568137][ T1589] configfs_write_iter (fs/configfs/file.c:208 fs/configfs/file.c:229) 
[ 508.568142][ T1589] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
[ 508.568146][ T1589] ? ww_mutex_lock (kernel/locking/mutex.c:759) 
[ 508.568149][ T1589] ? kernel_write (fs/read_write.c:667) 
[ 508.568153][ T1589] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1072) 
[ 508.568159][ T1589] ksys_write (fs/read_write.c:738) 
[ 508.568162][ T1589] ? __ia32_sys_read (fs/read_write.c:728) 
[ 508.568167][ T1589] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 508.568170][ T1589] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  508.568173][ T1589] RIP: 0033:0x7f5a9b50836f
[ 508.568177][ T1589] 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
[  508.568180][ T1589] RSP: 002b:00007ffca026dbe0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  508.568183][ T1589] RAX: ffffffffffffffda RBX: 00007f5a9b32e148 RCX: 00007f5a9b50836f
[  508.568186][ T1589] RDX: 0000000000000001 RSI: 000056087ee11cf0 RDI: 000000000000000a
[  508.568187][ T1589] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000002
[  508.568189][ T1589] R10: 0000000000000002 R11: 0000000000000293 R12: 00007f5a8d221e80


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