[  475.441746] irq 51: nobody cared (try booting with the "irqpoll" option)
[  475.441864] CPU: 0 UID: 0 PID: 6449 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(voluntary) 
[  475.441867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.441868] Call Trace:
[  475.441871]  <IRQ>
[  475.441875]  dump_stack_lvl+0x4d/0x70
[  475.441882]  __report_bad_irq+0x35/0xb8
[  475.441884]  note_interrupt.cold+0x28/0x66
[  475.441885]  handle_irq_event+0x6e/0x80
[  475.441889]  handle_edge_irq+0xbc/0x180
[  475.441891]  __common_interrupt+0x40/0xd0
[  475.441893]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  475.441895]  common_interrupt+0x7a/0x90
[  475.441899]  </IRQ>
[  475.441899]  <TASK>
[  475.441899]  asm_common_interrupt+0x26/0x40
[  475.441902] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  475.441905] 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
[  475.441905] RSP: 0018:ff6110a8c389bd38 EFLAGS: 00000286
[  475.441908] RAX: 00000000ffffffff RBX: ff355b3241f64000 RCX: 0000000000000017
[  475.441908] RDX: ffffffff8f1ce675 RSI: 0000000000000282 RDI: ffffffff904c0680
[  475.441909] RBP: 0000000000000001 R08: 0000000000000001 R09: ff355b3242e90400
[  475.441909] R10: ff6110a8c389be68 R11: 0000000000000001 R12: ffffffff904c0680
[  475.441910] R13: ff6110a8c0345000 R14: ff355b3242e90400 R15: 0000000000000282
[  475.441910]  ? rpm_suspend+0x185/0x5e0
[  475.441915]  uart_write+0xb4/0x270
[  475.441918]  n_tty_write+0x155/0x560
[  475.441921]  ? swake_up_all+0xd0/0xd0
[  475.441923]  file_tty_write.isra.0+0x15b/0x2a0
[  475.441924]  vfs_write+0x258/0x4d0
[  475.441927]  ? __hrtimer_run_queues+0x161/0x2a0
[  475.441929]  ksys_write+0x73/0xe0
[  475.441930]  do_syscall_64+0xa4/0xfc0
[  475.441932]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  475.441933] RIP: 0033:0x7f01718f5c5e
[  475.441935] 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
[  475.441936] RSP: 002b:00007fffd1582bc0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  475.441937] RAX: ffffffffffffffda RBX: 000055eaab55a300 RCX: 00007f01718f5c5e
[  475.441937] RDX: 0000000000000001 RSI: 000055eaab55a300 RDI: 0000000000000001
[  475.441938] RBP: 00007fffd1582bd0 R08: 0000000000000000 R09: 0000000000000000
[  475.441938] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  475.441938] R13: 000055eaab51b010 R14: 0000000000000001 R15: 000055eaab55a300
[  475.441939]  </TASK>
[  475.441939] handlers:
[  475.443664] [<00000000f9fa2996>] serial8250_interrupt
[  475.443699] Disabling IRQ #51
[  540.809474] tc (10069) used greatest stack depth: 11728 bytes left