[  419.335783] irq 4: nobody cared (try booting with the "irqpoll" option)
[  419.335905] CPU: 3 UID: 0 PID: 3884 Comm: perl Not tainted 6.12.0-rc1-virtme #1
[  419.335954] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  419.336020] Call Trace:
[  419.336045]  <IRQ>
[  419.336067]  dump_stack_lvl+0x55/0x70
[  419.336103]  __report_bad_irq+0x2b/0xc0
[  419.336135]  note_interrupt+0x2a7/0x2f0
[  419.336161]  handle_irq_event+0x72/0x80
[  419.336186]  handle_edge_irq+0x8b/0x230
[  419.336212]  __common_interrupt+0x3c/0xb0
[  419.336240]  common_interrupt+0x80/0x90
[  419.336271]  </IRQ>
[  419.336287]  <TASK>
[  419.336305]  asm_common_interrupt+0x26/0x40
[  419.336339] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  419.336373] 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 9b c8 74 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  419.336476] RSP: 0018:ffffa83d8153bd60 EFLAGS: 00000286
[  419.336512] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  419.336557] RDX: ffffffff8af9afad RSI: 0000000000000282 RDI: ffffffff8c909120
[  419.336602] RBP: ffff972881e3c000 R08: 00000061b60dac1b R09: 0000000000000001
[  419.336646] R10: ffff972881f115f8 R11: 0000000000000000 R12: 0000000000000001
[  419.336691] R13: ffffffff8c909120 R14: 0000000000000282 R15: ffff972881f11400
[  419.336738]  ? rpm_suspend+0x1ad/0x5e0
[  419.336771]  uart_write+0xb2/0x270
[  419.336808]  n_tty_write+0x1a3/0x520
[  419.336837]  ? __pfx_woken_wake_function+0x10/0x10
[  419.336869]  file_tty_write.constprop.0+0x147/0x330
[  419.336901]  vfs_write+0x335/0x470
[  419.336932]  ksys_write+0x63/0xe0
[  419.336959]  do_syscall_64+0x9e/0x1a0
[  419.336984]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.337017] RIP: 0033:0x7f4d07839957
[  419.337045] 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
[  419.337153] RSP: 002b:00007ffe63ed83e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  419.337202] RAX: ffffffffffffffda RBX: 0000557f9aa461f0 RCX: 00007f4d07839957
[  419.337247] RDX: 0000000000000001 RSI: 0000557f9aa461f0 RDI: 0000000000000001
[  419.337291] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  419.337331] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557f9aa32580
[  419.337376] R13: 0000557f9aa132a0 R14: 0000000000000001 R15: 0000557f9aa32580
[  419.337422]  </TASK>
[  419.337440] handlers:
[  419.337458] [<00000000d14f3497>] serial8250_interrupt
[  419.337495] Disabling IRQ #4