[  909.374762] irq 51: nobody cared (try booting with the "irqpoll" option)
[  909.374893] CPU: 0 UID: 0 PID: 22364 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(voluntary) 
[  909.374895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  909.374897] Call Trace:
[  909.374900]  <IRQ>
[  909.374905]  dump_stack_lvl+0x4d/0x70
[  909.374911]  __report_bad_irq+0x35/0xb8
[  909.374913]  note_interrupt.cold+0x28/0x66
[  909.374914]  handle_irq_event+0x6e/0x80
[  909.374917]  handle_edge_irq+0xbc/0x180
[  909.374919]  __common_interrupt+0x40/0xd0
[  909.374921]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  909.374923]  common_interrupt+0x7a/0x90
[  909.374927]  </IRQ>
[  909.374927]  <TASK>
[  909.374928]  asm_common_interrupt+0x26/0x40
[  909.374930] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  909.374933] 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
[  909.374934] RSP: 0018:ff766f34048c7d38 EFLAGS: 00000286
[  909.374936] RAX: 00000000ffffffff RBX: ff46b70a41d80000 RCX: 0000000000000017
[  909.374937] RDX: ffffffffb45ce7f5 RSI: 0000000000000282 RDI: ffffffffb58c0680
[  909.374938] RBP: 0000000000000001 R08: 0000000000000001 R09: ff46b70a41ebf400
[  909.374938] R10: ff766f34048c7e68 R11: 0000000000000001 R12: ffffffffb58c0680
[  909.374938] R13: ff766f340034d000 R14: ff46b70a41ebf400 R15: 0000000000000282
[  909.374939]  ? rpm_suspend+0x185/0x5e0
[  909.374944]  uart_write+0xb4/0x270
[  909.374947]  n_tty_write+0x155/0x560
[  909.374949]  ? swake_up_all+0xd0/0xd0
[  909.374951]  file_tty_write.isra.0+0x15b/0x2a0
[  909.374952]  vfs_write+0x258/0x4d0
[  909.374955]  ? __hrtimer_run_queues+0x161/0x2a0
[  909.374958]  ksys_write+0x73/0xe0
[  909.374959]  do_syscall_64+0xa4/0xfc0
[  909.374960]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  909.374962] RIP: 0033:0x7fe3dc556c5e
[  909.374963] 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
[  909.374964] RSP: 002b:00007ffe0a3988e0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  909.374965] RAX: ffffffffffffffda RBX: 000055b842bf3250 RCX: 00007fe3dc556c5e
[  909.374965] RDX: 0000000000000001 RSI: 000055b842bf3250 RDI: 0000000000000001
[  909.374966] RBP: 00007ffe0a3988f0 R08: 0000000000000000 R09: 0000000000000000
[  909.374966] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  909.374966] R13: 000055b842bb4010 R14: 0000000000000001 R15: 000055b842bf3250
[  909.374967]  </TASK>
[  909.374968] handlers:
[  909.376770] [<00000000e3734ef1>] serial8250_interrupt
[  909.376807] Disabling IRQ #51