[  419.024542] irq 4: nobody cared (try booting with the "irqpoll" option)
[  419.024659] CPU: 3 UID: 0 PID: 4466 Comm: perl Not tainted 6.12.0-rc4-virtme #1
[  419.024722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  419.024799] Call Trace:
[  419.024825]  <IRQ>
[  419.024852]  dump_stack_lvl+0x55/0x70
[  419.024892]  __report_bad_irq+0x2b/0xc0
[  419.024926]  note_interrupt+0x2a7/0x2f0
[  419.024962]  handle_irq_event+0x72/0x80
[  419.024992]  handle_edge_irq+0x8b/0x230
[  419.025023]  __common_interrupt+0x3c/0xb0
[  419.025056]  common_interrupt+0x80/0x90
[  419.025096]  </IRQ>
[  419.025120]  <TASK>
[  419.025143]  asm_common_interrupt+0x26/0x40
[  419.025177] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  419.025218] 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 7c 5a 48 4f <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  419.025348] RSP: 0018:ffffc0a1015dbd60 EFLAGS: 00000286
[  419.025390] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  419.025454] RDX: ffffffffb079c1fd RSI: 0000000000000282 RDI: ffffffffb210c120
[  419.025505] RBP: ffff9ef981d6c000 R08: 000000619f7081de R09: 0000000000000001
[  419.025560] R10: ffff9ef9824e05f8 R11: 0000000000000000 R12: 0000000000000001
[  419.025614] R13: ffffffffb210c120 R14: 0000000000000282 R15: ffff9ef9824e0400
[  419.025669]  ? rpm_suspend+0x1ad/0x5e0
[  419.025710]  uart_write+0xb2/0x270
[  419.025749]  n_tty_write+0x1a3/0x520
[  419.025784]  ? __pfx_woken_wake_function+0x10/0x10
[  419.025839]  file_tty_write.constprop.0+0x147/0x330
[  419.025877]  vfs_write+0x335/0x470
[  419.025914]  ksys_write+0x63/0xe0
[  419.025945]  do_syscall_64+0x9e/0x1a0
[  419.025975]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.026019] RIP: 0033:0x7f4225bea957
[  419.026049] 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
[  419.026167] RSP: 002b:00007fffbe4e23a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  419.026219] RAX: ffffffffffffffda RBX: 000055bf338d40b0 RCX: 00007f4225bea957
[  419.026283] RDX: 0000000000000001 RSI: 000055bf338d40b0 RDI: 0000000000000001
[  419.026338] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  419.026392] R10: 0000000000000001 R11: 0000000000000246 R12: 000055bf338c0580
[  419.026457] R13: 000055bf338a12a0 R14: 0000000000000001 R15: 000055bf338c0580
[  419.026511]  </TASK>
[  419.026533] handlers:
[  419.026555] [<0000000066ebd0d6>] serial8250_interrupt
[  419.026600] Disabling IRQ #4