[    6.651060] GACT probability NOT on
[    6.651545] tc (298) used greatest stack depth: 12296 bytes left
[    8.778266] Mirror/redirect action on
[   15.754981] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1568075496 wd_nsec: 1568072539
[   74.743933] irq 51: nobody cared (try booting with the "irqpoll" option)
[   74.744016] CPU: 0 UID: 0 PID: 193 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(voluntary) 
[   74.744019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.744020] Call Trace:
[   74.744024]  <IRQ>
[   74.744027]  dump_stack_lvl+0x4d/0x70
[   74.744034]  __report_bad_irq+0x35/0xb8
[   74.744036]  note_interrupt.cold+0x28/0x66
[   74.744037]  handle_irq_event+0x6e/0x80
[   74.744040]  handle_edge_irq+0xbc/0x180
[   74.744042]  __common_interrupt+0x40/0xd0
[   74.744044]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[   74.744047]  common_interrupt+0x7a/0x90
[   74.744050]  </IRQ>
[   74.744051]  <TASK>
[   74.744051]  asm_common_interrupt+0x26/0x40
[   74.744053] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[   74.744057] Code: 00 66 90 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d e4 c2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[   74.744057] RSP: 0018:ff446515003f7d38 EFLAGS: 00000286
[   74.744060] RAX: 00000000ffffffff RBX: ff323c6241fb8000 RCX: 0000000000000017
[   74.744061] RDX: ffffffffa09ce8f5 RSI: 0000000000000282 RDI: ffffffffa1cc1680
[   74.744061] RBP: 0000000000000001 R08: 0000000000000001 R09: ff323c6242fe0800
[   74.744061] R10: ff446515003f7e68 R11: 0000000000000001 R12: ffffffffa1cc1680
[   74.744062] R13: ff44651500345000 R14: ff323c6242fe0800 R15: 0000000000000282
[   74.744063]  ? rpm_suspend+0x185/0x5e0
[   74.744067]  uart_write+0xb4/0x270
[   74.744070]  n_tty_write+0x155/0x560
[   74.744072]  ? swake_up_all+0xd0/0xd0
[   74.744074]  file_tty_write.isra.0+0x15b/0x2a0
[   74.744075]  vfs_write+0x258/0x4d0
[   74.744078]  ? __hrtimer_run_queues+0x161/0x2a0
[   74.744081]  ksys_write+0x73/0xe0
[   74.744082]  do_syscall_64+0xa4/0xfc0
[   74.744084]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   74.744085] RIP: 0033:0x7fa7ed1ebc5e
[   74.744087] 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
[   74.744088] RSP: 002b:00007ffd560b7610 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   74.744089] RAX: ffffffffffffffda RBX: 00005640c89fc220 RCX: 00007fa7ed1ebc5e
[   74.744089] RDX: 0000000000000001 RSI: 00005640c89fc220 RDI: 0000000000000001
[   74.744089] RBP: 00007ffd560b7620 R08: 0000000000000000 R09: 0000000000000000
[   74.744090] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[   74.744090] R13: 00005640c89bd010 R14: 0000000000000001 R15: 00005640c89fc220
[   74.744091]  </TASK>
[   74.744091] handlers:
[   74.745492] [<00000000dca1a51e>] serial8250_interrupt
[   74.745525] Disabling IRQ #51