[ 1982.115371][T18446] Mirror/redirect action on
[ 1988.663469][T18557] tc (18557) used greatest stack depth: 23888 bytes left
[ 2015.203521][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 2015.204102][    C0] CPU: 0 UID: 0 PID: 18285 Comm: perl Not tainted 6.17.0-rc7-virtme #1 PREEMPT(full) 
[ 2015.204108][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2015.204112][    C0] Call Trace:
[ 2015.204114][    C0]  <IRQ>
[ 2015.204116][    C0]  dump_stack_lvl+0x82/0xc0
[ 2015.204129][    C0]  __report_bad_irq+0x5f/0x1b0
[ 2015.204139][    C0]  note_interrupt+0x661/0x7e0
[ 2015.204147][    C0]  handle_irq_event+0x165/0x1c0
[ 2015.204152][    C0]  handle_edge_irq+0x324/0x880
[ 2015.204162][    C0]  __common_interrupt+0xa4/0x230
[ 2015.204170][    C0]  common_interrupt+0xb9/0xe0
[ 2015.204177][    C0]  </IRQ>
[ 2015.204178][    C0]  <TASK>
[ 2015.204182][    C0]  asm_common_interrupt+0x26/0x40
[ 2015.204187][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70
[ 2015.204196][    C0] Code: 74 24 10 e8 01 90 02 fe 48 89 ef e8 29 df 02 fe 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 8a 12 f7 fd 65 8b 05 e3 9f 0a 02 85 c0 74 0a 5b 5d c3 e8 87 92
[ 2015.204199][    C0] RSP: 0018:ffffc9000e837a98 EFLAGS: 00000206
[ 2015.204204][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[ 2015.204206][    C0] RDX: 0000000000000000 RSI: ffffffff97dc6a8b RDI: 0000000000000001
[ 2015.204208][    C0] RBP: ffffffff9a64e3c0 R08: 0000000000000001 R09: 0000000000000001
[ 2015.204210][    C0] R10: ffffffff98c14117 R11: ffff888005e78970 R12: 00000000ffffffff
[ 2015.204212][    C0] R13: 0000000000000001 R14: ffffffff9a64e4c8 R15: 00000000ffffffff
[ 2015.204229][    C0]  uart_write+0x220/0x920
[ 2015.204240][    C0]  process_output_block+0x142/0x7b0
[ 2015.204247][    C0]  ? _raw_spin_unlock_irqrestore+0x59/0x70
[ 2015.204254][    C0]  n_tty_write+0x426/0x7c0
[ 2015.204257][    C0]  ? _copy_from_iter+0x1d1/0x1340
[ 2015.204269][    C0]  ? n_tty_receive_signal_char+0x110/0x110
[ 2015.204277][    C0]  ? __init_waitqueue_head+0x150/0x150
[ 2015.204289][    C0]  ? lock_acquire+0x104/0x160
[ 2015.204294][    C0]  ? iterate_tty_write+0x91/0x530
[ 2015.204308][    C0]  iterate_tty_write+0x220/0x530
[ 2015.204320][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[ 2015.204327][    C0]  file_tty_write.constprop.0+0x1cf/0x360
[ 2015.204335][    C0]  vfs_write+0xaae/0x12c0
[ 2015.204345][    C0]  ? kernel_write+0x6b0/0x6b0
[ 2015.204351][    C0]  ? trace_rseq_update+0xce/0x130
[ 2015.204358][    C0]  ? rseq_update_cpu_node_id+0x10c/0x170
[ 2015.204365][    C0]  ? __rseq_handle_notify_resume+0x2b8/0x420
[ 2015.204377][    C0]  ksys_write+0xf7/0x1d0
[ 2015.204381][    C0]  ? __ia32_sys_read+0xb0/0xb0
[ 2015.204392][    C0]  do_syscall_64+0xc1/0x300
[ 2015.204398][    C0]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 2015.204401][    C0] RIP: 0033:0x7fe71edbd257
[ 2015.204407][    C0] Code: 0f 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
[ 2015.204409][    C0] RSP: 002b:00007ffcfce6b838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 2015.204412][    C0] RAX: ffffffffffffffda RBX: 000055e57f23d2e0 RCX: 00007fe71edbd257
[ 2015.204414][    C0] RDX: 0000000000000001 RSI: 000055e57f23d2e0 RDI: 0000000000000001
[ 2015.204415][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 2015.204417][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e57f228600
[ 2015.204418][    C0] R13: 000055e57f2092a0 R14: 0000000000000001 R15: 000055e57f228600
[ 2015.204433][    C0]  </TASK>
[ 2015.204434][    C0] handlers:
[ 2015.220922][    C0] [<ffffffff966476a0>] serial8250_interrupt
[ 2015.221433][    C0] Disabling IRQ #51