[  422.626279] Mirror/redirect action on
[  433.533651] irq 4: nobody cared (try booting with the "irqpoll" option)
[  433.533800] CPU: 3 PID: 8046 Comm: perl Not tainted 6.9.0-virtme #1
[  433.533865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  433.533967] Call Trace:
[  433.534005]  <IRQ>
[  433.534041]  dump_stack_lvl+0x55/0x70
[  433.534091]  __report_bad_irq+0x2b/0xc0
[  433.534134]  note_interrupt+0x2a7/0x2f0
[  433.534171]  handle_irq_event+0x72/0x80
[  433.534210]  handle_edge_irq+0x8b/0x230
[  433.534247]  __common_interrupt+0x3c/0xb0
[  433.534284]  common_interrupt+0x80/0x90
[  433.534325]  </IRQ>
[  433.534351]  <TASK>
[  433.534378]  asm_common_interrupt+0x26/0x40
[  433.534426] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  433.534473] 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 eb 6a <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  433.534619] RSP: 0018:ffffabb94882bd60 EFLAGS: 00000286
[  433.534665] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  433.534731] RDX: ffffffff94d6f2bd RSI: 0000000000000282 RDI: ffffffff966e0540
[  433.534796] RBP: ffff996941f44000 R08: 000000650437bb99 R09: 0000000000000001
[  433.534863] R10: ffff99694250a1f8 R11: 0000000000000000 R12: ffffffff966e0540
[  433.534930] R13: 0000000000000282 R14: ffff996942509c00 R15: ffff99694250a000
[  433.534999]  ? rpm_suspend+0x1ad/0x5e0
[  433.535039]  uart_write+0x89/0x160
[  433.535085]  n_tty_write+0x1a6/0x520
[  433.535130]  ? __pfx_woken_wake_function+0x10/0x10
[  433.535183]  file_tty_write.constprop.0+0x14d/0x330
[  433.535232]  vfs_write+0x32f/0x460
[  433.535272]  ksys_write+0x63/0xe0
[  433.535307]  do_syscall_64+0x9e/0x1a0
[  433.535345]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  433.535396] RIP: 0033:0x7f9e47f33957
[  433.535436] 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
[  433.535584] RSP: 002b:00007ffd121dcd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  433.535652] RAX: ffffffffffffffda RBX: 000055df2c9e8fd0 RCX: 00007f9e47f33957
[  433.535718] RDX: 0000000000000001 RSI: 000055df2c9e8fd0 RDI: 0000000000000001
[  433.535776] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  433.535842] R10: 0000000000000001 R11: 0000000000000246 R12: 000055df2c9d5560
[  433.535907] R13: 000055df2c9b62a0 R14: 0000000000000001 R15: 000055df2c9d5560
[  433.535975]  </TASK>
[  433.536001] handlers:
[  433.536021] [<00000000d17f57b1>] serial8250_interrupt
[  433.536074] Disabling IRQ #4