[  451.499586] Mirror/redirect action on
[  462.543432] irq 4: nobody cared (try booting with the "irqpoll" option)
[  462.543565] CPU: 3 UID: 0 PID: 9536 Comm: perl Not tainted 6.12.0-rc1-virtme #1
[  462.543634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  462.543725] Call Trace:
[  462.543756]  <IRQ>
[  462.543782]  dump_stack_lvl+0x55/0x70
[  462.543828]  __report_bad_irq+0x2b/0xc0
[  462.543867]  note_interrupt+0x2a7/0x2f0
[  462.543901]  handle_irq_event+0x72/0x80
[  462.543937]  handle_edge_irq+0x8b/0x230
[  462.543972]  __common_interrupt+0x3c/0xb0
[  462.544006]  common_interrupt+0x80/0x90
[  462.544045]  </IRQ>
[  462.544067]  <TASK>
[  462.544085]  asm_common_interrupt+0x26/0x40
[  462.544129] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  462.544176] 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 8b c8 73 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  462.544321] RSP: 0018:ffffb0a4044c3d60 EFLAGS: 00000286
[  462.544367] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  462.544431] RDX: ffffffff8bf9b00d RSI: 0000000000000282 RDI: ffffffff8d909120
[  462.544487] RBP: ffff8d6e81ea4000 R08: 0000006bbf334fa7 R09: 0000000000000001
[  462.544545] R10: ffff8d6e812925f8 R11: 0000000000000000 R12: 0000000000000001
[  462.544601] R13: ffffffff8d909120 R14: 0000000000000282 R15: ffff8d6e81292400
[  462.544659]  ? rpm_suspend+0x1ad/0x5e0
[  462.544696]  uart_write+0xb2/0x270
[  462.544738]  n_tty_write+0x1a3/0x520
[  462.544776]  ? __pfx_woken_wake_function+0x10/0x10
[  462.544819]  file_tty_write.constprop.0+0x147/0x330
[  462.544864]  vfs_write+0x335/0x470
[  462.544900]  ksys_write+0x63/0xe0
[  462.544932]  do_syscall_64+0x9e/0x1a0
[  462.544966]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  462.545014] RIP: 0033:0x7f4b9c489957
[  462.545048] 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
[  462.545189] RSP: 002b:00007ffee0f28eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  462.545254] RAX: ffffffffffffffda RBX: 000056262c0b40b0 RCX: 00007f4b9c489957
[  462.545312] RDX: 0000000000000001 RSI: 000056262c0b40b0 RDI: 0000000000000001
[  462.545370] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  462.545429] R10: 0000000000000001 R11: 0000000000000246 R12: 000056262c0a0580
[  462.545487] R13: 000056262c0812a0 R14: 0000000000000001 R15: 000056262c0a0580
[  462.545547]  </TASK>
[  462.545565] handlers:
[  462.545584] [<000000006dac461f>] serial8250_interrupt
[  462.545629] Disabling IRQ #4
[  498.345708] tc (10688) used greatest stack depth: 11952 bytes left