[  837.930375] irq 51: nobody cared (try booting with the "irqpoll" option)
[  837.930483] CPU: 0 UID: 0 PID: 3423 Comm: perl Not tainted 6.18.0-rc6-virtme #1 PREEMPT(voluntary) 
[  837.930485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  837.930487] Call Trace:
[  837.930490]  <IRQ>
[  837.930494]  dump_stack_lvl+0x4d/0x70
[  837.930500]  __report_bad_irq+0x35/0xb8
[  837.930503]  note_interrupt.cold+0x28/0x66
[  837.930504]  handle_irq_event+0x6e/0x70
[  837.930507]  handle_edge_irq+0xbc/0x180
[  837.930509]  __common_interrupt+0x40/0xd0
[  837.930512]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  837.930515]  common_interrupt+0x82/0xa0
[  837.930519]  </IRQ>
[  837.930520]  <TASK>
[  837.930520]  asm_common_interrupt+0x26/0x40
[  837.930523] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  837.930526] 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 54 1a e9 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  837.930527] RSP: 0018:ff434a51021c3d38 EFLAGS: 00000286
[  837.930529] RAX: 00000000ffffffff RBX: ff3a983341fec000 RCX: 0000000000000017
[  837.930529] RDX: ffffffff963b9b95 RSI: 0000000000000286 RDI: ffffffff976ae3a0
[  837.930530] RBP: 0000000000000001 R08: 0000000000000001 R09: ff434a51021c3e68
[  837.930530] R10: ff3a98334243f800 R11: 0000000000000001 R12: ffffffff976ae3a0
[  837.930531] R13: ff434a510034f2a8 R14: ff3a98334243f800 R15: 0000000000000286
[  837.930531]  ? rpm_suspend+0x185/0x5e0
[  837.930536]  uart_write+0xb4/0x270
[  837.930539]  n_tty_write+0x153/0x530
[  837.930542]  ? swake_up_all+0xd0/0xd0
[  837.930543]  file_tty_write.isra.0+0x15b/0x2a0
[  837.930545]  vfs_write+0x258/0x4d0
[  837.930549]  ? __hrtimer_run_queues+0x161/0x2a0
[  837.930551]  ksys_write+0x73/0xe0
[  837.930552]  do_syscall_64+0xa4/0xfd0
[  837.930554]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  837.930555] RIP: 0033:0x7f354a32ec5e
[  837.930557] 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
[  837.930557] RSP: 002b:00007ffc67d4f1b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  837.930558] RAX: ffffffffffffffda RBX: 00005597caa43190 RCX: 00007f354a32ec5e
[  837.930559] RDX: 0000000000000001 RSI: 00005597caa43190 RDI: 0000000000000001
[  837.930559] RBP: 00007ffc67d4f1c0 R08: 0000000000000000 R09: 0000000000000000
[  837.930559] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  837.930560] R13: 00005597caa04010 R14: 0000000000000001 R15: 00005597caa43190
[  837.930560]  </TASK>
[  837.930561] handlers:
[  837.932103] [<00000000ef5a4843>] serial8250_interrupt
[  837.932138] Disabling IRQ #51