[  469.359280] Mirror/redirect action on
[  469.497973] tc (9068) used greatest stack depth: 11856 bytes left
[  480.255250] irq 4: nobody cared (try booting with the "irqpoll" option)
[  480.255350] CPU: 3 UID: 0 PID: 8594 Comm: perl Not tainted 6.12.0-rc3-virtme #1
[  480.255399] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  480.255463] Call Trace:
[  480.255485]  <IRQ>
[  480.255506]  dump_stack_lvl+0x55/0x70
[  480.255539]  __report_bad_irq+0x2b/0xc0
[  480.255568]  note_interrupt+0x2a7/0x2f0
[  480.255594]  handle_irq_event+0x72/0x80
[  480.255619]  handle_edge_irq+0x8b/0x230
[  480.255643]  __common_interrupt+0x3c/0xb0
[  480.255671]  common_interrupt+0x80/0x90
[  480.255697]  </IRQ>
[  480.255713]  <TASK>
[  480.255731]  asm_common_interrupt+0x26/0x40
[  480.255759] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  480.255793] 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 5b 68 70 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  480.255887] RSP: 0018:ffff9ef48582bd60 EFLAGS: 00000286
[  480.255920] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  480.255969] RDX: ffffffff8f59b26d RSI: 0000000000000282 RDI: ffffffff90f0c120
[  480.256013] RBP: ffff91ff01de4000 R08: 0000006fe4040003 R09: 0000000000000001
[  480.256057] R10: ffff91ff024f8df8 R11: 0000000000000000 R12: 0000000000000001
[  480.256100] R13: ffffffff90f0c120 R14: 0000000000000282 R15: ffff91ff024f8c00
[  480.256145]  ? rpm_suspend+0x1ad/0x5e0
[  480.256184]  uart_write+0xb2/0x270
[  480.256214]  n_tty_write+0x1a3/0x520
[  480.256241]  ? __pfx_woken_wake_function+0x10/0x10
[  480.256279]  file_tty_write.constprop.0+0x147/0x330
[  480.256315]  vfs_write+0x335/0x470
[  480.256346]  ksys_write+0x63/0xe0
[  480.256373]  do_syscall_64+0x9e/0x1a0
[  480.256398]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  480.256440] RIP: 0033:0x7f07ac55d957
[  480.256470] 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
[  480.256563] RSP: 002b:00007ffce4251778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  480.256607] RAX: ffffffffffffffda RBX: 000055e12c7a31f0 RCX: 00007f07ac55d957
[  480.256651] RDX: 0000000000000001 RSI: 000055e12c7a31f0 RDI: 0000000000000001
[  480.256700] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  480.256744] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e12c78f580
[  480.256798] R13: 000055e12c7702a0 R14: 0000000000000001 R15: 000055e12c78f580
[  480.256842]  </TASK>
[  480.256859] handlers:
[  480.256872] [<0000000065005774>] serial8250_interrupt
[  480.256915] Disabling IRQ #4