[  418.079209][ T2214] GACT probability NOT on
[  420.725083][ T2396] Mirror/redirect action on
[  420.737813][ T2395] tc (2395) used greatest stack depth: 24032 bytes left
[  424.089643][ T2618] tc (2618) used greatest stack depth: 24016 bytes left
[  441.649861][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  441.650184][    C0] CPU: 0 UID: 0 PID: 2117 Comm: perl Not tainted 6.19.0-rc4-virtme #1 PREEMPT(full) 
[  441.650188][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  441.650190][    C0] Call Trace:
[  441.650192][    C0]  <IRQ>
[  441.650194][    C0]  dump_stack_lvl+0x6f/0xa0
[  441.650203][    C0]  __report_bad_irq+0x66/0x161
[  441.650208][    C0]  note_interrupt.cold+0x21/0xe7
[  441.650210][    C0]  ? serial8250_get_port+0x50/0x50
[  441.650215][    C0]  ? poll_spurious_irqs+0x140/0x140
[  441.650221][    C0]  handle_irq_event+0x166/0x1c0
[  441.650224][    C0]  handle_edge_irq+0x2ec/0x880
[  441.650229][    C0]  __common_interrupt+0xae/0x270
[  441.650232][    C0]  ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[  441.650235][    C0]  common_interrupt+0xb0/0xf0
[  441.650239][    C0]  </IRQ>
[  441.650240][    C0]  <TASK>
[  441.650242][    C0]  asm_common_interrupt+0x26/0x40
[  441.650244][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[  441.650247][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 17 df fd 48 89 df e8 f9 68 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 bf d2 fd 65 8b 05 c9 d1 05 02 85 c0 74 12 5b
[  441.650249][    C0] RSP: 0018:ffa0000002177a70 EFLAGS: 00000246
[  441.650253][    C0] RAX: 0000000000000082 RBX: ffffffffafb90520 RCX: ffffffffacaf1e73
[  441.650254][    C0] RDX: ff1100000a38a2c0 RSI: ffffffffad3b53a1 RDI: fffffffface6ae80
[  441.650255][    C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[  441.650256][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffafb90628
[  441.650257][    C0] R13: 0000000000000001 R14: ffffffffafb90660 R15: ff1100000a277000
[  441.650260][    C0]  ? _raw_spin_unlock_irqrestore+0x53/0x80
[  441.650265][    C0]  uart_write+0x21d/0x940
[  441.650270][    C0]  process_output_block+0x117/0x6e0
[  441.650275][    C0]  n_tty_write+0x3a8/0x8f0
[  441.650277][    C0]  ? _copy_from_iter+0x1b6/0x1580
[  441.650283][    C0]  ? n_tty_receive_signal_char+0x110/0x110
[  441.650286][    C0]  ? _mutex_trylock_nest_lock+0x21a/0x340
[  441.650288][    C0]  ? __init_waitqueue_head+0x160/0x160
[  441.650297][    C0]  ? lock_acquire.part.0+0xbc/0x260
[  441.650301][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  441.650308][    C0]  iterate_tty_write+0x27d/0x550
[  441.650313][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  441.650318][    C0]  file_tty_write.isra.0+0x1a2/0x240
[  441.650322][    C0]  ? redirected_tty_write+0xd0/0xd0
[  441.650325][    C0]  new_sync_write+0x308/0x6f0
[  441.650329][    C0]  ? new_sync_read+0x3bb/0x6f0
[  441.650332][    C0]  ? new_sync_read+0x6f0/0x6f0
[  441.650334][    C0]  ? generic_atomic_write_valid+0x150/0x150
[  441.650338][    C0]  ? __lock_release.isra.0+0x59/0x170
[  441.650344][    C0]  vfs_write+0x65e/0xbb0
[  441.650346][    C0]  ? vfs_read+0x3cc/0x790
[  441.650350][    C0]  ksys_write+0xff/0x200
[  441.650353][    C0]  ? __ia32_sys_read+0xc0/0xc0
[  441.650357][    C0]  ? rcu_is_watching+0x15/0xd0
[  441.650360][    C0]  do_syscall_64+0xbd/0xfc0
[  441.650364][    C0]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  441.650365][    C0] RIP: 0033:0x7f99e7619c5e
[  441.650368][    C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[  441.650370][    C0] RSP: 002b:00007ffeb61fbbf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  441.650371][    C0] RAX: ffffffffffffffda RBX: 000055dc47cc63c0 RCX: 00007f99e7619c5e
[  441.650372][    C0] RDX: 0000000000000001 RSI: 000055dc47cc63c0 RDI: 0000000000000001
[  441.650373][    C0] RBP: 00007ffeb61fbc00 R08: 0000000000000000 R09: 0000000000000000
[  441.650374][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  441.650375][    C0] R13: 000055dc47c87010 R14: 0000000000000001 R15: 000055dc47cc63c0
[  441.650381][    C0]  </TASK>
[  441.650382][    C0] handlers:
[  441.660174][    C0] [<ffffffffabacb3d0>] serial8250_interrupt
[  441.660664][    C0] Disabling IRQ #51