[  695.734530] irq 51: nobody cared (try booting with the "irqpoll" option)
[  695.734609] CPU: 0 UID: 0 PID: 23740 Comm: perl Not tainted 6.19.0-rc2-virtme #1 PREEMPT(voluntary) 
[  695.734612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  695.734613] Call Trace:
[  695.734617]  <IRQ>
[  695.734620]  dump_stack_lvl+0x4d/0x70
[  695.734627]  __report_bad_irq+0x35/0xb8
[  695.734629]  note_interrupt.cold+0x28/0x66
[  695.734630]  handle_irq_event+0x6e/0x80
[  695.734633]  handle_edge_irq+0xbc/0x180
[  695.734636]  __common_interrupt+0x40/0xd0
[  695.734638]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  695.734640]  common_interrupt+0x7a/0x90
[  695.734644]  </IRQ>
[  695.734644]  <TASK>
[  695.734644]  asm_common_interrupt+0x26/0x40
[  695.734646] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  695.734650] 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
[  695.734650] RSP: 0018:ff61aa478389bd38 EFLAGS: 00000286
[  695.734652] RAX: 00000000ffffffff RBX: ff24e92fc1d80000 RCX: 0000000000000017
[  695.734653] RDX: ffffffffa1fce935 RSI: 0000000000000282 RDI: ffffffffa32c0680
[  695.734654] RBP: 0000000000000001 R08: 0000000000000001 R09: ff24e92fc2fa4800
[  695.734654] R10: ff61aa478389be68 R11: 0000000000000001 R12: ffffffffa32c0680
[  695.734654] R13: ff61aa478034d000 R14: ff24e92fc2fa4800 R15: 0000000000000282
[  695.734655]  ? rpm_suspend+0x185/0x5e0
[  695.734660]  uart_write+0xb4/0x270
[  695.734663]  n_tty_write+0x155/0x560
[  695.734665]  ? swake_up_all+0xd0/0xd0
[  695.734667]  file_tty_write.isra.0+0x15b/0x2a0
[  695.734669]  vfs_write+0x258/0x4d0
[  695.734672]  ? __hrtimer_run_queues+0x161/0x2a0
[  695.734674]  ksys_write+0x73/0xe0
[  695.734676]  do_syscall_64+0xa4/0xfc0
[  695.734677]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  695.734678] RIP: 0033:0x7ffbd4d3dc5e
[  695.734680] 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
[  695.734681] RSP: 002b:00007fff46fee920 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  695.734682] RAX: ffffffffffffffda RBX: 0000563e5f35e2e0 RCX: 00007ffbd4d3dc5e
[  695.734682] RDX: 0000000000000001 RSI: 0000563e5f35e2e0 RDI: 0000000000000001
[  695.734683] RBP: 00007fff46fee930 R08: 0000000000000000 R09: 0000000000000000
[  695.734683] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  695.734683] R13: 0000563e5f31f010 R14: 0000000000000001 R15: 0000563e5f35e2e0
[  695.734684]  </TASK>
[  695.734685] handlers:
[  695.735985] [<00000000495a7407>] serial8250_interrupt
[  695.736017] Disabling IRQ #51