[  472.908975] Mirror/redirect action on
[  483.378947] irq 4: nobody cared (try booting with the "irqpoll" option)
[  483.379051] CPU: 3 UID: 0 PID: 8592 Comm: perl Not tainted 6.12.0-rc3-virtme #1
[  483.379098] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  483.379162] Call Trace:
[  483.379185]  <IRQ>
[  483.379204]  dump_stack_lvl+0x55/0x70
[  483.379237]  __report_bad_irq+0x2b/0xc0
[  483.379267]  note_interrupt+0x2a7/0x2f0
[  483.379293]  handle_irq_event+0x72/0x80
[  483.379318]  handle_edge_irq+0x8b/0x230
[  483.379342]  __common_interrupt+0x3c/0xb0
[  483.379368]  common_interrupt+0x80/0x90
[  483.379396]  </IRQ>
[  483.379413]  <TASK>
[  483.379426]  asm_common_interrupt+0x26/0x40
[  483.379454] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  483.379488] 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 a8 7a <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  483.379610] RSP: 0018:ffffb4d70c853d60 EFLAGS: 00000286
[  483.379644] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  483.379688] RDX: ffffffff8519b2ed RSI: 0000000000000282 RDI: ffffffff86b0a120
[  483.379732] RBP: ffff9ea601f4c000 R08: 00000070a1b46836 R09: 0000000000000001
[  483.379776] R10: ffff9ea60191a9f8 R11: 0000000000000000 R12: 0000000000000001
[  483.379820] R13: ffffffff86b0a120 R14: 0000000000000282 R15: ffff9ea60191a800
[  483.379865]  ? rpm_suspend+0x1ad/0x5e0
[  483.379897]  uart_write+0xb2/0x270
[  483.379933]  n_tty_write+0x1a3/0x520
[  483.379960]  ? __pfx_woken_wake_function+0x10/0x10
[  483.379993]  file_tty_write.constprop.0+0x147/0x330
[  483.380025]  vfs_write+0x335/0x470
[  483.380055]  ksys_write+0x63/0xe0
[  483.380080]  do_syscall_64+0x9e/0x1a0
[  483.380105]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  483.380137] RIP: 0033:0x7f43aacf5957
[  483.380160] 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
[  483.380255] RSP: 002b:00007fff6e62cda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  483.380299] RAX: ffffffffffffffda RBX: 00005588b32851f0 RCX: 00007f43aacf5957
[  483.380343] RDX: 0000000000000001 RSI: 00005588b32851f0 RDI: 0000000000000001
[  483.380387] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  483.380431] R10: 0000000000000001 R11: 0000000000000246 R12: 00005588b3271580
[  483.380476] R13: 00005588b32522a0 R14: 0000000000000001 R15: 00005588b3271580
[  483.380529]  </TASK>
[  483.380546] handlers:
[  483.380559] [<00000000268c255b>] serial8250_interrupt
[  483.380594] Disabling IRQ #4