[  194.572664] tc (4048) used greatest stack depth: 11608 bytes left
[  208.591110] irq 51: nobody cared (try booting with the "irqpoll" option)
[  208.591189] CPU: 0 UID: 0 PID: 1567 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(voluntary) 
[  208.591191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  208.591193] Call Trace:
[  208.591196]  <IRQ>
[  208.591199]  dump_stack_lvl+0x4d/0x70
[  208.591205]  __report_bad_irq+0x35/0xb8
[  208.591208]  note_interrupt.cold+0x28/0x66
[  208.591209]  handle_irq_event+0x6e/0x80
[  208.591212]  handle_edge_irq+0xbc/0x180
[  208.591214]  __common_interrupt+0x40/0xd0
[  208.591216]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  208.591218]  common_interrupt+0x7a/0x90
[  208.591221]  </IRQ>
[  208.591222]  <TASK>
[  208.591222]  asm_common_interrupt+0x26/0x40
[  208.591224] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  208.591228] 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 d2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  208.591229] RSP: 0018:ff76471581cb3d38 EFLAGS: 00000286
[  208.591231] RAX: 00000000ffffffff RBX: ff4a52fa01f28000 RCX: 0000000000000017
[  208.591231] RDX: ffffffff9ddcea75 RSI: 0000000000000282 RDI: ffffffff9f0c1680
[  208.591232] RBP: 0000000000000001 R08: 0000000000000001 R09: ff4a52fa02e92800
[  208.591232] R10: ff76471581cb3e68 R11: 0000000000000001 R12: ffffffff9f0c1680
[  208.591233] R13: ff76471580345000 R14: ff4a52fa02e92800 R15: 0000000000000282
[  208.591233]  ? rpm_suspend+0x185/0x5e0
[  208.591237]  uart_write+0xb4/0x270
[  208.591241]  n_tty_write+0x155/0x560
[  208.591243]  ? swake_up_all+0xd0/0xd0
[  208.591245]  file_tty_write.isra.0+0x15b/0x2a0
[  208.591246]  vfs_write+0x258/0x4d0
[  208.591250]  ? __hrtimer_run_queues+0x161/0x2a0
[  208.591252]  ksys_write+0x73/0xe0
[  208.591253]  do_syscall_64+0xa4/0xfc0
[  208.591255]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  208.591256] RIP: 0033:0x7f2507c12c5e
[  208.591258] 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
[  208.591259] RSP: 002b:00007ffcacf283b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  208.591260] RAX: ffffffffffffffda RBX: 000055c1e084b2f0 RCX: 00007f2507c12c5e
[  208.591261] RDX: 0000000000000001 RSI: 000055c1e084b2f0 RDI: 0000000000000001
[  208.591261] RBP: 00007ffcacf283c0 R08: 0000000000000000 R09: 0000000000000000
[  208.591261] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  208.591262] R13: 000055c1e080c010 R14: 0000000000000001 R15: 000055c1e084b2f0
[  208.591262]  </TASK>
[  208.591263] handlers:
[  208.592609] [<00000000edbb4f5b>] serial8250_interrupt
[  208.592642] Disabling IRQ #51