[  694.031806] irq 51: nobody cared (try booting with the "irqpoll" option)
[  694.031930] CPU: 0 UID: 0 PID: 9005 Comm: perl Not tainted 6.19.0-rc2-virtme #1 PREEMPT(voluntary) 
[  694.031933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  694.031934] Call Trace:
[  694.031937]  <IRQ>
[  694.031941]  dump_stack_lvl+0x4d/0x70
[  694.031948]  __report_bad_irq+0x35/0xb8
[  694.031950]  note_interrupt.cold+0x28/0x66
[  694.031951]  handle_irq_event+0x6e/0x80
[  694.031954]  handle_edge_irq+0xbc/0x180
[  694.031956]  __common_interrupt+0x40/0xd0
[  694.031958]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  694.031960]  common_interrupt+0x7a/0x90
[  694.031964]  </IRQ>
[  694.031965]  <TASK>
[  694.031965]  asm_common_interrupt+0x26/0x40
[  694.031967] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  694.031970] 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
[  694.031971] RSP: 0018:ff3c69e5c1fa7d38 EFLAGS: 00000286
[  694.031973] RAX: 00000000ffffffff RBX: ff30898f01d80000 RCX: 0000000000000017
[  694.031974] RDX: ffffffffb1dce935 RSI: 0000000000000282 RDI: ffffffffb30c0680
[  694.031975] RBP: 0000000000000001 R08: 0000000000000001 R09: ff30898f01ebf400
[  694.031975] R10: ff3c69e5c1fa7e68 R11: 0000000000000001 R12: ffffffffb30c0680
[  694.031976] R13: ff3c69e5c0355000 R14: ff30898f01ebf400 R15: 0000000000000282
[  694.031976]  ? rpm_suspend+0x185/0x5e0
[  694.031981]  uart_write+0xb4/0x270
[  694.031984]  n_tty_write+0x155/0x560
[  694.031987]  ? swake_up_all+0xd0/0xd0
[  694.031989]  file_tty_write.isra.0+0x15b/0x2a0
[  694.031990]  vfs_write+0x258/0x4d0
[  694.031994]  ksys_write+0x73/0xe0
[  694.031995]  do_syscall_64+0xa4/0xfc0
[  694.031997]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  694.031998] RIP: 0033:0x7fe31c570c5e
[  694.032000] 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
[  694.032000] RSP: 002b:00007ffd877dbf70 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  694.032001] RAX: ffffffffffffffda RBX: 0000557f515e5230 RCX: 00007fe31c570c5e
[  694.032002] RDX: 0000000000000001 RSI: 0000557f515e5230 RDI: 0000000000000001
[  694.032002] RBP: 00007ffd877dbf80 R08: 0000000000000000 R09: 0000000000000000
[  694.032003] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  694.032003] R13: 0000557f515a6010 R14: 0000000000000001 R15: 0000557f515e5230
[  694.032004]  </TASK>
[  694.032004] handlers:
[  694.033724] [<000000003304c160>] serial8250_interrupt
[  694.033759] Disabling IRQ #51