[  248.493270] irq 4: nobody cared (try booting with the "irqpoll" option)
[  248.493402] CPU: 3 PID: 2806 Comm: perl Not tainted 6.9.0-virtme #1
[  248.493452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  248.493530] Call Trace:
[  248.493557]  <IRQ>
[  248.493586]  dump_stack_lvl+0x55/0x70
[  248.493625]  __report_bad_irq+0x2b/0xc0
[  248.493658]  note_interrupt+0x2a7/0x2f0
[  248.493688]  handle_irq_event+0x72/0x80
[  248.493717]  handle_edge_irq+0x8b/0x230
[  248.493747]  __common_interrupt+0x3c/0xb0
[  248.493780]  common_interrupt+0x80/0x90
[  248.493812]  </IRQ>
[  248.493831]  <TASK>
[  248.493854]  asm_common_interrupt+0x26/0x40
[  248.493889] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  248.493929] 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 dc a5 0b 49 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  248.494041] RSP: 0018:ffff9a828113bd60 EFLAGS: 00000286
[  248.494084] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  248.494137] RDX: ffffffffb6b6f33d RSI: 0000000000000282 RDI: ffffffffb84e0540
[  248.494189] RBP: ffff8daa02040000 R08: 00000039ef25f8a5 R09: 0000000000000001
[  248.494241] R10: ffff8daa028841f8 R11: 0000000000000000 R12: ffffffffb84e0540
[  248.494294] R13: 0000000000000282 R14: ffff8daa02885000 R15: ffff8daa02884000
[  248.494348]  ? rpm_suspend+0x1ad/0x5e0
[  248.494386]  uart_write+0x89/0x160
[  248.494417]  n_tty_write+0x1a6/0x520
[  248.494450]  ? __pfx_woken_wake_function+0x10/0x10
[  248.494491]  file_tty_write.constprop.0+0x14d/0x330
[  248.494528]  vfs_write+0x32f/0x460
[  248.494559]  ksys_write+0x63/0xe0
[  248.494587]  do_syscall_64+0x9e/0x1a0
[  248.494617]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  248.494656] RIP: 0033:0x7f3036662957
[  248.494688] 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
[  248.494801] RSP: 002b:00007ffe9e3db3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  248.494853] RAX: ffffffffffffffda RBX: 000055f18781afd0 RCX: 00007f3036662957
[  248.494905] RDX: 0000000000000001 RSI: 000055f18781afd0 RDI: 0000000000000001
[  248.494958] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  248.495010] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f187807560
[  248.495063] R13: 000055f1877e82a0 R14: 0000000000000001 R15: 000055f187807560
[  248.495116]  </TASK>
[  248.495137] handlers:
[  248.495159] [<00000000140e6c56>] serial8250_interrupt
[  248.495200] Disabling IRQ #4