[  539.274496] tc (6116) used greatest stack depth: 12128 bytes left
[  549.797263] irq 51: nobody cared (try booting with the "irqpoll" option)
[  549.797375] CPU: 0 UID: 0 PID: 2514 Comm: perl Not tainted 6.19.0-rc6-virtme #1 PREEMPT(voluntary) 
[  549.797377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  549.797379] Call Trace:
[  549.797383]  <IRQ>
[  549.797386]  dump_stack_lvl+0x4d/0x70
[  549.797393]  __report_bad_irq+0x35/0xb8
[  549.797395]  note_interrupt.cold+0x28/0x66
[  549.797397]  handle_irq_event+0x6e/0x80
[  549.797400]  handle_edge_irq+0xbc/0x180
[  549.797402]  __common_interrupt+0x40/0xd0
[  549.797405]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  549.797407]  common_interrupt+0x7a/0x90
[  549.797410]  </IRQ>
[  549.797411]  <TASK>
[  549.797411]  asm_common_interrupt+0x26/0x40
[  549.797413] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  549.797417] 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
[  549.797418] RSP: 0018:ff6f3740c0f63d38 EFLAGS: 00000286
[  549.797420] RAX: 00000000ffffffff RBX: ff2eb1cc81f28000 RCX: 0000000000000017
[  549.797421] RDX: ffffffff8bbcf3f5 RSI: 0000000000000282 RDI: ffffffff8cec2680
[  549.797421] RBP: 0000000000000001 R08: 0000000000000001 R09: ff2eb1cc823bf800
[  549.797422] R10: ff6f3740c0f63e68 R11: 0000000000000001 R12: ffffffff8cec2680
[  549.797422] R13: ff6f3740c036d000 R14: ff2eb1cc823bf800 R15: 0000000000000282
[  549.797423]  ? rpm_suspend+0x185/0x5e0
[  549.797427]  uart_write+0xb4/0x270
[  549.797430]  n_tty_write+0x155/0x560
[  549.797432]  ? swake_up_all+0xd0/0xd0
[  549.797434]  file_tty_write.isra.0+0x15b/0x2a0
[  549.797435]  vfs_write+0x258/0x4d0
[  549.797438]  ? __hrtimer_run_queues+0x161/0x2a0
[  549.797441]  ksys_write+0x73/0xe0
[  549.797443]  do_syscall_64+0xa4/0xfc0
[  549.797444]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  549.797445] RIP: 0033:0x7f012ae65c5e
[  549.797447] Code: 4d 89 d8 e8 34 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
[  549.797448] RSP: 002b:00007ffe5c1c5e50 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  549.797449] RAX: ffffffffffffffda RBX: 000055fbe6eae290 RCX: 00007f012ae65c5e
[  549.797449] RDX: 0000000000000001 RSI: 000055fbe6eae290 RDI: 0000000000000001
[  549.797450] RBP: 00007ffe5c1c5e60 R08: 0000000000000000 R09: 0000000000000000
[  549.797450] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  549.797451] R13: 000055fbe6e6f010 R14: 0000000000000001 R15: 000055fbe6eae290
[  549.797451]  </TASK>
[  549.797452] handlers:
[  549.799075] [<00000000d7f00634>] serial8250_interrupt
[  549.799107] Disabling IRQ #51