[  859.194166] irq 51: nobody cared (try booting with the "irqpoll" option)
[  859.194270] CPU: 0 UID: 0 PID: 31612 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(voluntary) 
[  859.194273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  859.194274] Call Trace:
[  859.194278]  <IRQ>
[  859.194280]  dump_stack_lvl+0x4d/0x70
[  859.194286]  __report_bad_irq+0x35/0xb8
[  859.194289]  note_interrupt.cold+0x28/0x66
[  859.194290]  handle_irq_event+0x6e/0x80
[  859.194293]  handle_edge_irq+0xbc/0x180
[  859.194294]  __common_interrupt+0x40/0xd0
[  859.194297]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  859.194299]  common_interrupt+0x7a/0x90
[  859.194303]  </IRQ>
[  859.194303]  <TASK>
[  859.194303]  asm_common_interrupt+0x26/0x40
[  859.194305] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  859.194309] 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
[  859.194310] RSP: 0018:ff475c3107177d38 EFLAGS: 00000286
[  859.194312] RAX: 00000000ffffffff RBX: ff15f19481f68000 RCX: 0000000000000017
[  859.194312] RDX: ffffffff889cea75 RSI: 0000000000000282 RDI: ffffffff89cc0680
[  859.194313] RBP: 0000000000000001 R08: 0000000000000001 R09: ff15f19481dcf800
[  859.194313] R10: ff475c3107177e68 R11: 0000000000000001 R12: ffffffff89cc0680
[  859.194313] R13: ff475c310034d000 R14: ff15f19481dcf800 R15: 0000000000000282
[  859.194314]  ? rpm_suspend+0x185/0x5e0
[  859.194319]  uart_write+0xb4/0x270
[  859.194322]  n_tty_write+0x155/0x560
[  859.194324]  ? swake_up_all+0xd0/0xd0
[  859.194327]  file_tty_write.isra.0+0x15b/0x2a0
[  859.194328]  vfs_write+0x258/0x4d0
[  859.194331]  ksys_write+0x73/0xe0
[  859.194332]  do_syscall_64+0xa4/0xfc0
[  859.194334]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  859.194335] RIP: 0033:0x7ff766201c5e
[  859.194337] 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
[  859.194338] RSP: 002b:00007ffc7b756c90 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  859.194339] RAX: ffffffffffffffda RBX: 000056473e1c7250 RCX: 00007ff766201c5e
[  859.194339] RDX: 0000000000000001 RSI: 000056473e1c7250 RDI: 0000000000000001
[  859.194339] RBP: 00007ffc7b756ca0 R08: 0000000000000000 R09: 0000000000000000
[  859.194340] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  859.194340] R13: 000056473e188010 R14: 0000000000000001 R15: 000056473e1c7250
[  859.194341]  </TASK>
[  859.194341] handlers:
[  859.195974] [<0000000031a2776e>] serial8250_interrupt
[  859.196012] Disabling IRQ #51