[  497.531916] Mirror/redirect action on
[  508.242938] irq 4: nobody cared (try booting with the "irqpoll" option)
[  508.243061] CPU: 3 UID: 0 PID: 3480 Comm: perl Not tainted 6.12.0-rc4-virtme #1
[  508.243118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  508.243212] Call Trace:
[  508.243243]  <IRQ>
[  508.243268]  dump_stack_lvl+0x55/0x70
[  508.243312]  __report_bad_irq+0x2b/0xc0
[  508.243348]  note_interrupt+0x2a7/0x2f0
[  508.243380]  handle_irq_event+0x72/0x80
[  508.243409]  handle_edge_irq+0x8b/0x230
[  508.243438]  __common_interrupt+0x3c/0xb0
[  508.243473]  common_interrupt+0x80/0x90
[  508.243507]  </IRQ>
[  508.243528]  <TASK>
[  508.243551]  asm_common_interrupt+0x26/0x40
[  508.243587] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  508.243627] 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 e8 55 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  508.243758] RSP: 0018:ffffac73c29b3d60 EFLAGS: 00000286
[  508.243801] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  508.243854] RDX: ffffffffa9d9c13d RSI: 0000000000000282 RDI: ffffffffab70c120
[  508.243906] RBP: ffff9d7881c20000 R08: 000000766807d18d R09: 0000000000000001
[  508.243958] R10: ffff9d7881d771f8 R11: 0000000000000000 R12: 0000000000000001
[  508.244009] R13: ffffffffab70c120 R14: 0000000000000282 R15: ffff9d7881d77000
[  508.244060]  ? rpm_suspend+0x1ad/0x5e0
[  508.244098]  uart_write+0xb2/0x270
[  508.244133]  n_tty_write+0x1a3/0x520
[  508.244168]  ? __pfx_woken_wake_function+0x10/0x10
[  508.244217]  file_tty_write.constprop.0+0x147/0x330
[  508.244263]  vfs_write+0x335/0x470
[  508.244299]  ksys_write+0x63/0xe0
[  508.244337]  do_syscall_64+0x9e/0x1a0
[  508.244371]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  508.244411] RIP: 0033:0x7f4f9ec2d957
[  508.244443] 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
[  508.244561] RSP: 002b:00007ffec16e7d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  508.244613] RAX: ffffffffffffffda RBX: 0000558f4edbb0b0 RCX: 00007f4f9ec2d957
[  508.244664] RDX: 0000000000000001 RSI: 0000558f4edbb0b0 RDI: 0000000000000001
[  508.244715] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  508.244767] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558f4eda7580
[  508.244824] R13: 0000558f4ed882a0 R14: 0000000000000001 R15: 0000558f4eda7580
[  508.244877]  </TASK>
[  508.244899] handlers:
[  508.244920] [<000000001b47222c>] serial8250_interrupt
[  508.244964] Disabling IRQ #4