[  214.784878] irq 51: nobody cared (try booting with the "irqpoll" option)
[  214.784997] CPU: 0 UID: 0 PID: 1590 Comm: perl Not tainted 6.19.0-rc8-virtme #1 PREEMPT(voluntary) 
[  214.785001] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.785002] Call Trace:
[  214.785006]  <IRQ>
[  214.785009]  dump_stack_lvl+0x4d/0x70
[  214.785017]  __report_bad_irq+0x35/0xb8
[  214.785020]  note_interrupt.cold+0x28/0x66
[  214.785022]  handle_irq_event+0x6e/0x80
[  214.785025]  handle_edge_irq+0xbc/0x180
[  214.785028]  __common_interrupt+0x40/0xd0
[  214.785031]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  214.785033]  common_interrupt+0x7a/0x90
[  214.785037]  </IRQ>
[  214.785038]  <TASK>
[  214.785039]  asm_common_interrupt+0x26/0x40
[  214.785042] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  214.785046] 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 b2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  214.785047] RSP: 0018:ff38be7b41c4fd38 EFLAGS: 00000286
[  214.785050] RAX: 00000000ffffffff RBX: ff159dae41d84000 RCX: 0000000000000017
[  214.785051] RDX: ffffffffb5dcf675 RSI: 0000000000000282 RDI: ffffffffb70c2680
[  214.785052] RBP: 0000000000000001 R08: 0000000000000001 R09: ff159dae43319000
[  214.785052] R10: ff38be7b41c4fe68 R11: 0000000000000001 R12: ffffffffb70c2680
[  214.785053] R13: ff38be7b40355000 R14: ff159dae43319000 R15: 0000000000000282
[  214.785054]  ? rpm_suspend+0x185/0x5e0
[  214.785059]  uart_write+0xb4/0x270
[  214.785062]  n_tty_write+0x155/0x560
[  214.785065]  ? swake_up_all+0xd0/0xd0
[  214.785068]  file_tty_write.isra.0+0x15b/0x2a0
[  214.785069]  vfs_write+0x258/0x4d0
[  214.785073]  ? __hrtimer_run_queues+0x161/0x2a0
[  214.785077]  ksys_write+0x73/0xe0
[  214.785079]  do_syscall_64+0xa4/0xfc0
[  214.785080]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  214.785082] RIP: 0033:0x7f833b194c5e
[  214.785084] Code: 4d 89 d8 e8 34 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
[  214.785085] RSP: 002b:00007ffc8cbd4920 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  214.785087] RAX: ffffffffffffffda RBX: 0000556d9fe17280 RCX: 00007f833b194c5e
[  214.785088] RDX: 0000000000000001 RSI: 0000556d9fe17280 RDI: 0000000000000001
[  214.785088] RBP: 00007ffc8cbd4930 R08: 0000000000000000 R09: 0000000000000000
[  214.785089] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  214.785089] R13: 0000556d9fdd8010 R14: 0000000000000001 R15: 0000556d9fe17280
[  214.785090]  </TASK>
[  214.785091] handlers:
[  214.786331] [<000000009e102bde>] serial8250_interrupt
[  214.786368] Disabling IRQ #51