[  460.432211] Mirror/redirect action on
[  466.454170] tc (21395) used greatest stack depth: 11952 bytes left
[  471.302537] irq 4: nobody cared (try booting with the "irqpoll" option)
[  471.302656] CPU: 3 UID: 0 PID: 20189 Comm: perl Not tainted 6.11.0-virtme #1
[  471.302708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  471.302776] Call Trace:
[  471.302800]  <IRQ>
[  471.302825]  dump_stack_lvl+0x55/0x70
[  471.302863]  __report_bad_irq+0x2b/0xc0
[  471.302895]  note_interrupt+0x2a7/0x2f0
[  471.302920]  handle_irq_event+0x72/0x80
[  471.302945]  handle_edge_irq+0x8b/0x230
[  471.302972]  __common_interrupt+0x3c/0xb0
[  471.303001]  common_interrupt+0x80/0x90
[  471.303032]  </IRQ>
[  471.303048]  <TASK>
[  471.303068]  asm_common_interrupt+0x26/0x40
[  471.303098] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  471.303136] 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 3c 87 c9 54 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  471.303235] RSP: 0018:ffff96ba4069bd60 EFLAGS: 00000286
[  471.303268] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  471.303325] RDX: ffffffffaaf8733d RSI: 0000000000000286 RDI: ffffffffac8f9360
[  471.303372] RBP: ffff88edc1dd4000 R08: 0000006dd028a97f R09: 0000000000000001
[  471.303418] R10: ffff88edc201bdf8 R11: 0000000000000000 R12: ffffffffac8f9360
[  471.303463] R13: 0000000000000286 R14: ffff88edc201b800 R15: ffff88edc201bc00
[  471.303510]  ? rpm_suspend+0x1ad/0x5e0
[  471.303546]  uart_write+0x89/0x150
[  471.303579]  n_tty_write+0x1a6/0x520
[  471.303608]  ? __pfx_woken_wake_function+0x10/0x10
[  471.303644]  file_tty_write.constprop.0+0x14d/0x330
[  471.303677]  vfs_write+0x332/0x460
[  471.303710]  ksys_write+0x63/0xe0
[  471.303737]  do_syscall_64+0x9e/0x1a0
[  471.303763]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  471.303798] RIP: 0033:0x7f2631f8f957
[  471.303825] 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
[  471.303924] RSP: 002b:00007ffde60331c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  471.303968] RAX: ffffffffffffffda RBX: 0000564c06e751f0 RCX: 00007f2631f8f957
[  471.304013] RDX: 0000000000000001 RSI: 0000564c06e751f0 RDI: 0000000000000001
[  471.304058] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  471.304107] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564c06e61580
[  471.304150] R13: 0000564c06e422a0 R14: 0000000000000001 R15: 0000564c06e61580
[  471.304198]  </TASK>
[  471.304216] handlers:
[  471.304229] [<000000001bc62238>] serial8250_interrupt
[  471.304265] Disabling IRQ #4