[  632.732267] irq 4: nobody cared (try booting with the "irqpoll" option)
[  632.732424] CPU: 3 PID: 13506 Comm: perl Not tainted 6.10.0-rc5-virtme #1
[  632.732491] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  632.732608] Call Trace:
[  632.732643]  <IRQ>
[  632.732679]  dump_stack_lvl+0x55/0x70
[  632.732735]  __report_bad_irq+0x2b/0xc0
[  632.732784]  note_interrupt+0x2a7/0x2f0
[  632.732826]  handle_irq_event+0x72/0x80
[  632.732866]  handle_edge_irq+0x8b/0x230
[  632.732896]  __common_interrupt+0x3c/0xb0
[  632.732932]  common_interrupt+0x80/0x90
[  632.732970]  </IRQ>
[  632.732992]  <TASK>
[  632.733018]  asm_common_interrupt+0x26/0x40
[  632.733059] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  632.733102] 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 ec 15 8b 5d <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  632.733222] RSP: 0018:ffffabde404f7d60 EFLAGS: 00000286
[  632.733274] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  632.733327] RDX: ffffffffa237083d RSI: 0000000000000286 RDI: ffffffffa3ce7500
[  632.733385] RBP: ffff969101dd0000 R08: 00000093648b97a6 R09: 0000000000000001
[  632.733451] R10: ffff9691029f15f8 R11: 0000000000000000 R12: ffffffffa3ce7500
[  632.733521] R13: 0000000000000286 R14: ffff9691029f0400 R15: ffff9691029f1400
[  632.733600]  ? rpm_suspend+0x1ad/0x5e0
[  632.733655]  uart_write+0x89/0x150
[  632.733703]  n_tty_write+0x1a6/0x520
[  632.733743]  ? __pfx_woken_wake_function+0x10/0x10
[  632.733798]  file_tty_write.constprop.0+0x14d/0x330
[  632.733841]  vfs_write+0x32f/0x460
[  632.733876]  ksys_write+0x63/0xe0
[  632.733907]  do_syscall_64+0x9e/0x1a0
[  632.733947]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  632.734003] RIP: 0033:0x7fab7d1f0957
[  632.734043] 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
[  632.734186] RSP: 002b:00007ffe2deccd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  632.734239] RAX: ffffffffffffffda RBX: 000055646d2befd0 RCX: 00007fab7d1f0957
[  632.734302] RDX: 0000000000000001 RSI: 000055646d2befd0 RDI: 0000000000000001
[  632.734372] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  632.734441] R10: 0000000000000001 R11: 0000000000000246 R12: 000055646d2ab560
[  632.734511] R13: 000055646d28c2a0 R14: 0000000000000001 R15: 000055646d2ab560
[  632.734583]  </TASK>
[  632.734613] handlers:
[  632.734636] [<00000000b9e56135>] serial8250_interrupt
[  632.734689] Disabling IRQ #4