[  652.697285][T17658] Mirror/redirect action on
[  652.743272][T17657] tc (17657) used greatest stack depth: 23872 bytes left
[  787.890808][    C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 3755287286 wd_nsec: 3755287449
[  797.715779][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  797.716104][    C0] CPU: 0 UID: 0 PID: 17394 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(full) 
[  797.716108][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  797.716110][    C0] Call Trace:
[  797.716112][    C0]  <IRQ>
[  797.716113][    C0]  dump_stack_lvl+0x6f/0xa0
[  797.716122][    C0]  __report_bad_irq+0x66/0x161
[  797.716127][    C0]  note_interrupt.cold+0x21/0xe7
[  797.716129][    C0]  ? serial8250_get_port+0x50/0x50
[  797.716133][    C0]  ? poll_spurious_irqs+0x140/0x140
[  797.716140][    C0]  handle_irq_event+0x166/0x1c0
[  797.716143][    C0]  handle_edge_irq+0x2ec/0x880
[  797.716148][    C0]  __common_interrupt+0xae/0x270
[  797.716151][    C0]  ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[  797.716156][    C0]  common_interrupt+0xb0/0xf0
[  797.716160][    C0]  </IRQ>
[  797.716160][    C0]  <TASK>
[  797.716162][    C0]  asm_common_interrupt+0x26/0x40
[  797.716164][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[  797.716168][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 87 df fd 48 89 df e8 f9 d8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 2f d3 fd 65 8b 05 c9 11 06 02 85 c0 74 12 5b
[  797.716170][    C0] RSP: 0018:ffa000000ee47a70 EFLAGS: 00000246
[  797.716173][    C0] RAX: 0000000000000082 RBX: ffffffffa118d4e0 RCX: ffffffff9e0eae73
[  797.716174][    C0] RDX: ff1100000c8ac540 RSI: ffffffff9e9b3a69 RDI: ffffffff9e46ae00
[  797.716175][    C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[  797.716176][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffa118d5e8
[  797.716177][    C0] R13: 0000000000000001 R14: ffffffffa118d620 R15: ff110000057a9000
[  797.716180][    C0]  ? _raw_spin_unlock_irqrestore+0x53/0x80
[  797.716185][    C0]  uart_write+0x21d/0x940
[  797.716190][    C0]  process_output_block+0x117/0x6e0
[  797.716195][    C0]  n_tty_write+0x3a8/0x8f0
[  797.716196][    C0]  ? _copy_from_iter+0x1b6/0x1580
[  797.716202][    C0]  ? n_tty_receive_signal_char+0x110/0x110
[  797.716204][    C0]  ? _mutex_trylock_nest_lock+0x21a/0x340
[  797.716207][    C0]  ? __init_waitqueue_head+0x160/0x160
[  797.716210][    C0]  ? lock_acquire.part.0+0xbc/0x260
[  797.716213][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  797.716217][    C0]  iterate_tty_write+0x27d/0x550
[  797.716221][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  797.716224][    C0]  file_tty_write.isra.0+0x1a2/0x240
[  797.716226][    C0]  ? redirected_tty_write+0xd0/0xd0
[  797.716228][    C0]  new_sync_write+0x308/0x6f0
[  797.716238][    C0]  ? new_sync_read+0x3bb/0x6f0
[  797.716242][    C0]  ? new_sync_read+0x6f0/0x6f0
[  797.716243][    C0]  ? generic_atomic_write_valid+0x150/0x150
[  797.716247][    C0]  ? __lock_release.isra.0+0x59/0x170
[  797.716252][    C0]  vfs_write+0x65e/0xbb0
[  797.716255][    C0]  ? vfs_read+0x3cc/0x790
[  797.716259][    C0]  ksys_write+0xff/0x200
[  797.716261][    C0]  ? __ia32_sys_read+0xc0/0xc0
[  797.716265][    C0]  ? rcu_is_watching+0x15/0xd0
[  797.716268][    C0]  do_syscall_64+0xbd/0xfc0
[  797.716271][    C0]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  797.716272][    C0] RIP: 0033:0x7fb74c02fc5e
[  797.716277][    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
[  797.716278][    C0] RSP: 002b:00007ffde55eb220 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  797.716279][    C0] RAX: ffffffffffffffda RBX: 000055eecfee8390 RCX: 00007fb74c02fc5e
[  797.716280][    C0] RDX: 0000000000000001 RSI: 000055eecfee8390 RDI: 0000000000000001
[  797.716281][    C0] RBP: 00007ffde55eb230 R08: 0000000000000000 R09: 0000000000000000
[  797.716282][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  797.716282][    C0] R13: 000055eecfea9010 R14: 0000000000000001 R15: 000055eecfee8390
[  797.716289][    C0]  </TASK>
[  797.716289][    C0] handlers:
[  797.725395][    C0] [<ffffffff9d0cb490>] serial8250_interrupt
[  797.725673][    C0] Disabling IRQ #51
[  798.756073][T18113] tc (18113) used greatest stack depth: 23552 bytes left