[  632.705976] Mirror/redirect action on
[  643.468181] irq 4: nobody cared (try booting with the "irqpoll" option)
[  643.468301] CPU: 3 PID: 641 Comm: perl Not tainted 6.8.0-rc6-virtme #1
[  643.468343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  643.468407] Call Trace:
[  643.468432]  <IRQ>
[  643.468455]  dump_stack_lvl+0x37/0x50
[  643.468500]  __report_bad_irq+0x2b/0xc0
[  643.468531]  note_interrupt+0x2a7/0x2f0
[  643.468554]  handle_irq_event+0x72/0x80
[  643.468580]  handle_edge_irq+0x8b/0x230
[  643.468609]  __common_interrupt+0x3e/0xb0
[  643.468643]  common_interrupt+0x81/0xa0
[  643.468670]  </IRQ>
[  643.468686]  <TASK>
[  643.468699]  asm_common_interrupt+0x26/0x40
[  643.468728] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  643.468762] 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 dc a6 b0 56 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  643.468880] RSP: 0018:ffffa06dc095bd38 EFLAGS: 00000286
[  643.468918] RAX: 0000000000000000 RBX: ffffffffaa8ac820 RCX: 0000000000000017
[  643.468963] RDX: ffffffffa91281fb RSI: 0000000000000282 RDI: ffffffffaa8ac820
[  643.469007] RBP: 0000000000000001 R08: 00000095e75449c3 R09: 0000000000000001
[  643.469052] R10: ffff930c81fc65f8 R11: 0000000000000000 R12: 0000000000000001
[  643.469097] R13: 0000000000000000 R14: ffff930c81fc7001 R15: ffff930c81fa0000
[  643.469148]  ? rpm_suspend+0x21b/0x6a0
[  643.469182]  uart_write+0x103/0x1d0
[  643.469214]  n_tty_write+0x1a6/0x520
[  643.469240]  ? __pfx_woken_wake_function+0x10/0x10
[  643.469271]  file_tty_write.constprop.0+0x15c/0x340
[  643.469303]  vfs_write+0x339/0x460
[  643.469334]  ksys_write+0x63/0xe0
[  643.469362]  do_syscall_64+0xb0/0x1b0
[  643.469387]  entry_SYSCALL_64_after_hwframe+0x6f/0x77
[  643.469420] RIP: 0033:0x7f5b0f64e957
[  643.469443] 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
[  643.469550] RSP: 002b:00007ffc43a81788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  643.469594] RAX: ffffffffffffffda RBX: 000055a7f3ffcfb0 RCX: 00007f5b0f64e957
[  643.469648] RDX: 0000000000000001 RSI: 000055a7f3ffcfb0 RDI: 0000000000000001
[  643.469693] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  643.469737] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a7f3fe9530
[  643.469788] R13: 000055a7f3fca2a0 R14: 0000000000000001 R15: 000055a7f3fe9530
[  643.469834]  </TASK>
[  643.469852] handlers:
[  643.469865] [<000000002511ead1>] serial8250_interrupt
[  643.469902] Disabling IRQ #4

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