[  421.625929] Mirror/redirect action on
[  429.329951] tc (9241) used greatest stack depth: 12248 bytes left
[  435.582892] irq 4: nobody cared (try booting with the "irqpoll" option)
[  435.583039] CPU: 3 PID: 8045 Comm: perl Not tainted 6.9.0-virtme #1
[  435.583102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  435.583208] Call Trace:
[  435.583240]  <IRQ>
[  435.583273]  dump_stack_lvl+0x55/0x70
[  435.583322]  __report_bad_irq+0x2b/0xc0
[  435.583368]  note_interrupt+0x2a7/0x2f0
[  435.583406]  handle_irq_event+0x72/0x80
[  435.583445]  handle_edge_irq+0x8b/0x230
[  435.583483]  __common_interrupt+0x3c/0xb0
[  435.583522]  common_interrupt+0x80/0x90
[  435.583565]  </IRQ>
[  435.583589]  <TASK>
[  435.583610]  asm_common_interrupt+0x26/0x40
[  435.583654] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  435.583710] 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 a5 ab 43 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  435.583864] RSP: 0018:ffffbbc50863bd60 EFLAGS: 00000286
[  435.583915] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  435.583986] RDX: ffffffffbc16f33d RSI: 0000000000000282 RDI: ffffffffbdae0540
[  435.584057] RBP: ffff9f3c81f1c000 R08: 0000006576f3d6c8 R09: 0000000000000001
[  435.584127] R10: ffff9f3c81fa25f8 R11: 0000000000000000 R12: ffffffffbdae0540
[  435.584197] R13: 0000000000000282 R14: ffff9f3c81fa2800 R15: ffff9f3c81fa2400
[  435.584269]  ? rpm_suspend+0x1ad/0x5e0
[  435.584317]  uart_write+0x89/0x160
[  435.584361]  n_tty_write+0x1a6/0x520
[  435.584403]  ? __pfx_woken_wake_function+0x10/0x10
[  435.584452]  file_tty_write.constprop.0+0x14d/0x330
[  435.584504]  vfs_write+0x32f/0x460
[  435.584543]  ksys_write+0x63/0xe0
[  435.584581]  do_syscall_64+0x9e/0x1a0
[  435.584621]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  435.584672] RIP: 0033:0x7fce977dc957
[  435.584710] 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
[  435.584864] RSP: 002b:00007ffd39074218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  435.584934] RAX: ffffffffffffffda RBX: 000055ba95955110 RCX: 00007fce977dc957
[  435.585004] RDX: 0000000000000001 RSI: 000055ba95955110 RDI: 0000000000000001
[  435.585076] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  435.585146] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ba95941560
[  435.585215] R13: 000055ba959222a0 R14: 0000000000000001 R15: 000055ba95941560
[  435.585286]  </TASK>
[  435.585315] handlers:
[  435.585337] [<000000006c6badcf>] serial8250_interrupt
[  435.585394] Disabling IRQ #4