[  671.117857] irq 4: nobody cared (try booting with the "irqpoll" option)
[  671.117985] CPU: 3 UID: 0 PID: 11131 Comm: perl Not tainted 6.11.0-virtme #1
[  671.118054] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  671.118144] Call Trace:
[  671.118176]  <IRQ>
[  671.118204]  dump_stack_lvl+0x55/0x70
[  671.118274]  __report_bad_irq+0x2b/0xc0
[  671.118307]  note_interrupt+0x2a7/0x2f0
[  671.118333]  handle_irq_event+0x72/0x80
[  671.118358]  handle_edge_irq+0x8b/0x230
[  671.118383]  __common_interrupt+0x3c/0xb0
[  671.118413]  common_interrupt+0x80/0x90
[  671.118441]  </IRQ>
[  671.118458]  <TASK>
[  671.118477]  asm_common_interrupt+0x26/0x40
[  671.118509] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  671.118544] 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 cc 6b c8 79 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  671.118649] RSP: 0018:ffffaddbc0497d60 EFLAGS: 00000286
[  671.118683] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  671.118728] RDX: ffffffff85f9d67d RSI: 0000000000000282 RDI: ffffffff87908120
[  671.118772] RBP: ffff9041c1d68000 R08: 0000009c526e167d R09: 0000000000000001
[  671.118816] R10: ffff9041c1e891f8 R11: 0000000000000000 R12: 0000000000000001
[  671.118860] R13: ffffffff87908120 R14: 0000000000000282 R15: ffff9041c1e89000
[  671.118909]  ? rpm_suspend+0x1ad/0x5e0
[  671.118941]  uart_write+0xb2/0x270
[  671.118970]  n_tty_write+0x1a3/0x520
[  671.118999]  ? __pfx_woken_wake_function+0x10/0x10
[  671.119037]  file_tty_write.constprop.0+0x147/0x330
[  671.119069]  vfs_write+0x335/0x470
[  671.119100]  ksys_write+0x63/0xe0
[  671.119125]  do_syscall_64+0x9e/0x1a0
[  671.119153]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  671.119186] RIP: 0033:0x7eff1c26b957
[  671.119211] 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
[  671.119308] RSP: 002b:00007ffc494f7b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  671.119353] RAX: ffffffffffffffda RBX: 000055a7ddb690b0 RCX: 00007eff1c26b957
[  671.119397] RDX: 0000000000000001 RSI: 000055a7ddb690b0 RDI: 0000000000000001
[  671.119442] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  671.119486] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a7ddb55580
[  671.119532] R13: 000055a7ddb362a0 R14: 0000000000000001 R15: 000055a7ddb55580
[  671.119576]  </TASK>
[  671.119594] handlers:
[  671.119612] [<00000000a79470fa>] serial8250_interrupt
[  671.119647] Disabling IRQ #4