[  532.439630] tc (3833) used greatest stack depth: 11672 bytes left
[  547.673686] irq 51: nobody cared (try booting with the "irqpoll" option)
[  547.673767] CPU: 0 UID: 0 PID: 2515 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(voluntary) 
[  547.673770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  547.673771] Call Trace:
[  547.673775]  <IRQ>
[  547.673778]  dump_stack_lvl+0x4d/0x70
[  547.673784]  __report_bad_irq+0x35/0xb8
[  547.673786]  note_interrupt.cold+0x28/0x66
[  547.673788]  handle_irq_event+0x6e/0x80
[  547.673791]  handle_edge_irq+0xbc/0x180
[  547.673793]  __common_interrupt+0x40/0xd0
[  547.673796]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  547.673797]  common_interrupt+0x7a/0x90
[  547.673801]  </IRQ>
[  547.673802]  <TASK>
[  547.673802]  asm_common_interrupt+0x26/0x40
[  547.673805] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  547.673808] 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 a2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  547.673809] RSP: 0018:ff388d7340fa3d38 EFLAGS: 00000286
[  547.673811] RAX: 00000000ffffffff RBX: ff17b6b941f68000 RCX: 0000000000000017
[  547.673812] RDX: ffffffffa7dceef5 RSI: 0000000000000282 RDI: ffffffffa90c1680
[  547.673812] RBP: 0000000000000001 R08: 0000000000000001 R09: ff17b6b94415c000
[  547.673813] R10: ff388d7340fa3e68 R11: 0000000000000001 R12: ffffffffa90c1680
[  547.673813] R13: ff388d7340345000 R14: ff17b6b94415c000 R15: 0000000000000282
[  547.673814]  ? rpm_suspend+0x185/0x5e0
[  547.673818]  uart_write+0xb4/0x270
[  547.673821]  n_tty_write+0x155/0x560
[  547.673823]  ? swake_up_all+0xd0/0xd0
[  547.673825]  file_tty_write.isra.0+0x15b/0x2a0
[  547.673827]  vfs_write+0x258/0x4d0
[  547.673830]  ? __hrtimer_run_queues+0x161/0x2a0
[  547.673833]  ksys_write+0x73/0xe0
[  547.673834]  do_syscall_64+0xa4/0xfc0
[  547.673835]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  547.673836] RIP: 0033:0x7f5346f95c5e
[  547.673838] 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
[  547.673839] RSP: 002b:00007ffe21c8ea10 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  547.673840] RAX: ffffffffffffffda RBX: 000056134cf131b0 RCX: 00007f5346f95c5e
[  547.673840] RDX: 0000000000000001 RSI: 000056134cf131b0 RDI: 0000000000000001
[  547.673841] RBP: 00007ffe21c8ea20 R08: 0000000000000000 R09: 0000000000000000
[  547.673841] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  547.673841] R13: 000056134ced4010 R14: 0000000000000001 R15: 000056134cf131b0
[  547.673842]  </TASK>
[  547.673843] handlers:
[  547.675249] [<000000008fdd8e06>] serial8250_interrupt
[  547.675283] Disabling IRQ #51