======================================
| [ 522.420817][ T1576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
| [  522.420819][ T1576]
| [  522.420819][ T1576]
| [  522.420819][ T1576] stack backtrace:
[  522.420832][ T1576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  522.420839][ T1576] Call Trace:
[  522.420842][ T1576]  <TASK>
[ 522.420844][ T1576] dump_stack_lvl (lib/dump_stack.c:123) 
[ 522.420857][ T1576] print_bad_irq_dependency (kernel/locking/lockdep.c:2618) 
[ 522.420862][ T1576] check_irq_usage (kernel/locking/lockdep.c:2863) 
[ 522.420866][ T1576] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 522.420872][ T1576] ? __bfs (kernel/locking/lockdep.c:1815 (discriminator 1)) 
[ 522.420875][ T1576] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:1997) 
[ 522.420884][ T1576] ? check_noncircular (kernel/locking/lockdep.c:2160) 
[ 522.420890][ T1576] ? check_prev_add (kernel/locking/lockdep.c:3169) 
[ 522.420892][ T1576] check_prev_add (kernel/locking/lockdep.c:3169) 
[ 522.420896][ T1576] validate_chain (kernel/locking/lockdep.c:3285 kernel/locking/lockdep.c:3908) 
[ 522.420901][ T1576] __lock_acquire (kernel/locking/lockdep.c:5237) 
[ 522.420905][ T1576] lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) 
[ 522.420908][ T1576] ? virtnet_poll_tx (./include/linux/netdevice.h:4658 drivers/net/virtio_net.c:3255) 
[ 522.420912][ T1576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 522.420920][ T1576] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 522.420922][ T1576] ? virtnet_poll_tx (./include/linux/netdevice.h:4658 drivers/net/virtio_net.c:3255) 
[ 522.420926][ T1576] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 522.420928][ T1576] ? virtnet_poll_tx (./include/linux/netdevice.h:4658 drivers/net/virtio_net.c:3255) 
[ 522.420931][ T1576] virtnet_poll_tx (./include/linux/netdevice.h:4658 drivers/net/virtio_net.c:3255) 
[ 522.420935][ T1576] poll_napi (net/core/netpoll.c:156 net/core/netpoll.c:170) 
[ 522.420939][ T1576] netpoll_poll_dev (net/core/netpoll.c:202) 
[ 522.420944][ T1576] __netpoll_send_skb (./include/asm-generic/delay.h:62 net/core/netpoll.c:356) 
[ 522.420947][ T1576] ? netpoll_send_udp (./include/linux/skbuff.h:3109 net/core/netpoll.c:490 net/core/netpoll.c:528) 
[ 522.420951][ T1576] netpoll_send_skb (net/core/netpoll.c:410) 
[ 522.420954][ T1576] send_ext_msg_udp (drivers/net/netconsole.c:1495 drivers/net/netconsole.c:1533 drivers/net/netconsole.c:1689) netconsole 
[ 522.420961][ T1576] write_ext_msg (drivers/net/netconsole.c:1707 drivers/net/netconsole.c:1695) netconsole 
[ 522.420968][ T1576] console_emit_next_record (kernel/printk/printk.c:3055 (discriminator 3) kernel/printk/printk.c:3139 (discriminator 3)) 
[ 522.420972][ T1576] ? __pfx_console_emit_next_record (kernel/printk/printk.c:3082) 
[ 522.420975][ T1576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 522.420980][ T1576] console_flush_all (kernel/printk/printk.c:3227) 
[ 522.420984][ T1576] ? __pfx_console_flush_all (kernel/printk/printk.c:3188) 
[ 522.420989][ T1576] console_unlock (kernel/printk/printk.c:3286 kernel/printk/printk.c:3325) 
[ 522.420992][ T1576] ? __pfx_console_unlock (kernel/printk/printk.c:3320) 
[ 522.420994][ T1576] ? lock_acquire (kernel/locking/lockdep.c:5872) 
[ 522.420997][ T1576] ? vprintk_emit (kernel/printk/printk.c:2449) 
[ 522.421000][ T1576] ? __down_trylock_console_sem (kernel/printk/printk.c:332) 
[ 522.421003][ T1576] ? vprintk_emit (kernel/printk/printk.c:2449) 
[ 522.421007][ T1576] vprintk_emit (kernel/printk/printk.c:2450) 
[ 522.421010][ T1576] ? __pfx_vprintk_emit (kernel/printk/printk.c:2397) 
[ 522.421013][ T1576] ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:300 ./include/linux/iov_iter.h:328 lib/iov_iter.c:249 lib/iov_iter.c:260) 
[ 522.421027][ T1576] ? __create_object (mm/kmemleak.c:771) 
[ 522.421033][ T1576] ? __lock_release (kernel/locking/lockdep.c:5536) 
[ 522.421037][ T1576] devkmsg_emit.constprop.0 (kernel/printk/printk.c:749) 
[ 522.421040][ T1576] ? __pfx_devkmsg_emit.constprop.0 (kernel/printk/printk.c:749) 
[ 522.421043][ T1576] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 522.421046][ T1576] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 21)) 
[ 522.421053][ T1576] ? __kmalloc_noprof (mm/slub.c:4341) 
[ 522.421060][ T1576] devkmsg_write (kernel/printk/printk.c:819) 
[ 522.421063][ T1576] ? __pfx_devkmsg_write (kernel/printk/printk.c:762) 
[ 522.421066][ T1576] ? __lock_acquire (kernel/locking/lockdep.c:5237) 
[ 522.421070][ T1576] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
[ 522.421074][ T1576] ? find_held_lock (kernel/locking/lockdep.c:5350) 
[ 522.421078][ T1576] ? __pfx_vfs_write (fs/read_write.c:667) 
[ 522.421082][ T1576] ? __fget_files (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 fs/file.c:1072) 
[ 522.421093][ T1576] ksys_write (fs/read_write.c:738) 
[ 522.421096][ T1576] ? __pfx_ksys_write (fs/read_write.c:728) 
[ 522.421099][ T1576] ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1499 arch/x86/kernel/fpu/xstate.c:1543) 
[ 522.421111][ T1576] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 522.421114][ T1576] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  522.421117][ T1576] RIP: 0033:0x7f76d76c436f
[ 522.421122][ T1576] 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
[  522.421125][ T1576] RSP: 002b:00007ffdb991c0b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[  522.421131][ T1576] RAX: ffffffffffffffda RBX: 00007f76d74ea148 RCX: 00007f76d76c436f
[  522.421133][ T1576] RDX: 00000000000002ee RSI: 000055e4b97f6020 RDI: 000000000000000a
[  522.421135][ T1576] RBP: 00000000000002ee R08: 0000000000000000 R09: 0000000000000002
[  522.421137][ T1576] R10: 0000000000000002 R11: 0000000000000293 R12: 00007f76c93cae80


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