[  410.643595] irq 4: nobody cared (try booting with the "irqpoll" option)
[  410.643703] CPU: 3 UID: 0 PID: 18686 Comm: perl Not tainted 6.12.0-rc2-virtme #1
[  410.643762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  410.643857] Call Trace:
[  410.643883]  <IRQ>
[  410.643909]  dump_stack_lvl+0x55/0x70
[  410.643959]  __report_bad_irq+0x2b/0xc0
[  410.643991]  note_interrupt+0x2a7/0x2f0
[  410.644017]  handle_irq_event+0x72/0x80
[  410.644052]  handle_edge_irq+0x8b/0x230
[  410.644076]  __common_interrupt+0x3c/0xb0
[  410.644105]  common_interrupt+0x80/0x90
[  410.644139]  </IRQ>
[  410.644163]  <TASK>
[  410.644184]  asm_common_interrupt+0x26/0x40
[  410.644226] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  410.644276] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d 0c 7b 88 42 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  410.644396] RSP: 0018:ffffaa82c1543d60 EFLAGS: 00000286
[  410.644432] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  410.644477] RDX: ffffffffbd39b89d RSI: 0000000000000282 RDI: ffffffffbed09120
[  410.644522] RBP: ffff95e8c1ef4000 R08: 0000005fad8de285 R09: 0000000000000001
[  410.644571] R10: ffff95e8c12931f8 R11: 0000000000000000 R12: 0000000000000001
[  410.644619] R13: ffffffffbed09120 R14: 0000000000000282 R15: ffff95e8c1293000
[  410.644665]  ? rpm_suspend+0x1ad/0x5e0
[  410.644698]  uart_write+0xb2/0x270
[  410.644728]  n_tty_write+0x1a3/0x520
[  410.644758]  ? __pfx_woken_wake_function+0x10/0x10
[  410.644792]  file_tty_write.constprop.0+0x147/0x330
[  410.644824]  vfs_write+0x335/0x470
[  410.644856]  ksys_write+0x63/0xe0
[  410.644882]  do_syscall_64+0x9e/0x1a0
[  410.644908]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  410.644946] RIP: 0033:0x7fdfb97e0957
[  410.644977] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[  410.645094] RSP: 002b:00007ffdad6fd508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  410.645139] RAX: ffffffffffffffda RBX: 000055f7e432f1f0 RCX: 00007fdfb97e0957
[  410.645184] RDX: 0000000000000001 RSI: 000055f7e432f1f0 RDI: 0000000000000001
[  410.645230] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  410.645276] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f7e431b580
[  410.645321] R13: 000055f7e42fc2a0 R14: 0000000000000001 R15: 000055f7e431b580
[  410.645367]  </TASK>
[  410.645384] handlers:
[  410.645397] [<00000000f8c29c13>] serial8250_interrupt
[  410.645448] Disabling IRQ #4