[  437.261368] Mirror/redirect action on
[  448.200356] irq 4: nobody cared (try booting with the "irqpoll" option)
[  448.200494] CPU: 3 UID: 0 PID: 10597 Comm: perl Not tainted 6.12.0-rc3-virtme #1
[  448.200574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  448.200680] Call Trace:
[  448.200715]  <IRQ>
[  448.200750]  dump_stack_lvl+0x55/0x70
[  448.200801]  __report_bad_irq+0x2b/0xc0
[  448.200849]  note_interrupt+0x2a7/0x2f0
[  448.200886]  handle_irq_event+0x72/0x80
[  448.200927]  handle_edge_irq+0x8b/0x230
[  448.200966]  __common_interrupt+0x3c/0xb0
[  448.201012]  common_interrupt+0x80/0x90
[  448.201055]  </IRQ>
[  448.201080]  <TASK>
[  448.201102]  asm_common_interrupt+0x26/0x40
[  448.201147] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  448.201203] 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 6a 68 79 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  448.201358] RSP: 0018:ffffbcfa07f83d60 EFLAGS: 00000286
[  448.201408] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  448.201480] RDX: ffffffff8659b2ed RSI: 0000000000000282 RDI: ffffffff87f0a120
[  448.201553] RBP: ffff933bc1d04000 R08: 000000686c29135c R09: 0000000000000001
[  448.201626] R10: ffff933bc1f599f8 R11: 0000000000000000 R12: 0000000000000001
[  448.201690] R13: ffffffff87f0a120 R14: 0000000000000282 R15: ffff933bc1f59800
[  448.201756]  ? rpm_suspend+0x1ad/0x5e0
[  448.201806]  uart_write+0xb2/0x270
[  448.201856]  n_tty_write+0x1a3/0x520
[  448.201896]  ? __pfx_woken_wake_function+0x10/0x10
[  448.201949]  file_tty_write.constprop.0+0x147/0x330
[  448.202005]  vfs_write+0x335/0x470
[  448.202051]  ksys_write+0x63/0xe0
[  448.202089]  do_syscall_64+0x9e/0x1a0
[  448.202134]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  448.202186] RIP: 0033:0x7f6ab2013957
[  448.202224] 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
[  448.202382] RSP: 002b:00007ffd04b76eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  448.202454] RAX: ffffffffffffffda RBX: 0000559d1be801f0 RCX: 00007f6ab2013957
[  448.202526] RDX: 0000000000000001 RSI: 0000559d1be801f0 RDI: 0000000000000001
[  448.202589] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  448.202660] R10: 0000000000000001 R11: 0000000000000246 R12: 0000559d1be6c580
[  448.202724] R13: 0000559d1be4d2a0 R14: 0000000000000001 R15: 0000559d1be6c580
[  448.202796]  </TASK>
[  448.202823] handlers:
[  448.202845] [<00000000505e07f4>] serial8250_interrupt
[  448.202902] Disabling IRQ #4