[  445.866350] tc (16113) used greatest stack depth: 12160 bytes left
[  456.705577] irq 51: nobody cared (try booting with the "irqpoll" option)
[  456.705653] CPU: 0 UID: 0 PID: 12575 Comm: perl Not tainted 6.19.0-rc2-virtme #1 PREEMPT(voluntary) 
[  456.705655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  456.705657] Call Trace:
[  456.705660]  <IRQ>
[  456.705663]  dump_stack_lvl+0x4d/0x70
[  456.705669]  __report_bad_irq+0x35/0xb8
[  456.705672]  note_interrupt.cold+0x28/0x66
[  456.705673]  handle_irq_event+0x6e/0x80
[  456.705676]  handle_edge_irq+0xbc/0x180
[  456.705678]  __common_interrupt+0x40/0xd0
[  456.705681]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  456.705683]  common_interrupt+0x7a/0x90
[  456.705686]  </IRQ>
[  456.705687]  <TASK>
[  456.705687]  asm_common_interrupt+0x26/0x40
[  456.705690] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  456.705693] Code: 00 66 90 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d e4 c2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  456.705694] RSP: 0018:ff75899a40e17d38 EFLAGS: 00000286
[  456.705696] RAX: 00000000ffffffff RBX: ff4f9e3881d80000 RCX: 0000000000000017
[  456.705697] RDX: ffffffff833ce935 RSI: 0000000000000282 RDI: ffffffff846c0680
[  456.705698] RBP: 0000000000000001 R08: 0000000000000001 R09: ff4f9e3882fa4400
[  456.705698] R10: ff75899a40e17e68 R11: 0000000000000001 R12: ffffffff846c0680
[  456.705698] R13: ff75899a4034d000 R14: ff4f9e3882fa4400 R15: 0000000000000282
[  456.705699]  ? rpm_suspend+0x185/0x5e0
[  456.705703]  uart_write+0xb4/0x270
[  456.705706]  n_tty_write+0x155/0x560
[  456.705708]  ? swake_up_all+0xd0/0xd0
[  456.705710]  file_tty_write.isra.0+0x15b/0x2a0
[  456.705711]  vfs_write+0x258/0x4d0
[  456.705715]  ? __hrtimer_run_queues+0x161/0x2a0
[  456.705717]  ksys_write+0x73/0xe0
[  456.705718]  do_syscall_64+0xa4/0xfc0
[  456.705720]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  456.705721] RIP: 0033:0x7f1380231c5e
[  456.705723] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[  456.705723] RSP: 002b:00007fff5ebd2d50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  456.705724] RAX: ffffffffffffffda RBX: 000055b4c8946140 RCX: 00007f1380231c5e
[  456.705725] RDX: 0000000000000001 RSI: 000055b4c8946140 RDI: 0000000000000001
[  456.705725] RBP: 00007fff5ebd2d60 R08: 0000000000000000 R09: 0000000000000000
[  456.705726] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  456.705726] R13: 000055b4c8907010 R14: 0000000000000001 R15: 000055b4c8946140
[  456.705727]  </TASK>
[  456.705727] handlers:
[  456.707081] [<00000000715e1376>] serial8250_interrupt
[  456.707114] Disabling IRQ #51