[  445.627865] Mirror/redirect action on
[  479.973258] irq 4: nobody cared (try booting with the "irqpoll" option)
[  479.973369] CPU: 3 UID: 0 PID: 10598 Comm: perl Not tainted 6.12.0-rc2-virtme #1
[  479.973429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  479.973506] Call Trace:
[  479.973534]  <IRQ>
[  479.973560]  dump_stack_lvl+0x55/0x70
[  479.973599]  __report_bad_irq+0x2b/0xc0
[  479.973633]  note_interrupt+0x2a7/0x2f0
[  479.973666]  handle_irq_event+0x72/0x80
[  479.973696]  handle_edge_irq+0x8b/0x230
[  479.973736]  __common_interrupt+0x3c/0xb0
[  479.973776]  common_interrupt+0x80/0x90
[  479.973808]  </IRQ>
[  479.973827]  <TASK>
[  479.973850]  asm_common_interrupt+0x26/0x40
[  479.973895] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  479.973936] 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 0c 7b a8 41 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  479.974048] RSP: 0018:ffffad79c7e63d60 EFLAGS: 00000286
[  479.974090] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  479.974146] RDX: ffffffffbe19af7d RSI: 0000000000000282 RDI: ffffffffbfb0b120
[  479.974208] RBP: ffff9eb041d68000 R08: 0000006fd4ef057a R09: 0000000000000001
[  479.974261] R10: ffff9eb042cacdf8 R11: 0000000000000000 R12: 0000000000000001
[  479.974314] R13: ffffffffbfb0b120 R14: 0000000000000282 R15: ffff9eb042cacc00
[  479.974369]  ? rpm_suspend+0x1ad/0x5e0
[  479.974407]  uart_write+0xb2/0x270
[  479.974441]  n_tty_write+0x1a3/0x520
[  479.974473]  ? __pfx_woken_wake_function+0x10/0x10
[  479.974513]  file_tty_write.constprop.0+0x147/0x330
[  479.974555]  vfs_write+0x335/0x470
[  479.974590]  ksys_write+0x63/0xe0
[  479.974622]  do_syscall_64+0x9e/0x1a0
[  479.974662]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  479.974705] RIP: 0033:0x7fd76e944957
[  479.974737] 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
[  479.974854] RSP: 002b:00007ffefeac7108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  479.974916] RAX: ffffffffffffffda RBX: 0000556a950a80b0 RCX: 00007fd76e944957
[  479.974969] RDX: 0000000000000001 RSI: 0000556a950a80b0 RDI: 0000000000000001
[  479.975022] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  479.975076] R10: 0000000000000001 R11: 0000000000000246 R12: 0000556a95094580
[  479.975127] R13: 0000556a950752a0 R14: 0000000000000001 R15: 0000556a95094580
[  479.975182]  </TASK>
[  479.975207] handlers:
[  479.975226] [<0000000057fcc1d8>] serial8250_interrupt
[  479.975268] Disabling IRQ #4