[    2.542127] ip (210) used greatest stack depth: 11960 bytes left
[    7.764542] GACT probability NOT on
[    7.764907] tc (297) used greatest stack depth: 11704 bytes left
[    9.888399] Mirror/redirect action on
[   15.268216] tc (3885) used greatest stack depth: 11608 bytes left
[   26.285368] irq 51: nobody cared (try booting with the "irqpoll" option)
[   26.285465] CPU: 0 UID: 0 PID: 192 Comm: perl Not tainted 6.19.0-rc7-virtme #1 PREEMPT(voluntary) 
[   26.285468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.285470] Call Trace:
[   26.285473]  <IRQ>
[   26.285477]  dump_stack_lvl+0x4d/0x70
[   26.285484]  __report_bad_irq+0x35/0xb8
[   26.285487]  note_interrupt.cold+0x28/0x66
[   26.285489]  handle_irq_event+0x6e/0x80
[   26.285492]  handle_edge_irq+0xbc/0x180
[   26.285495]  __common_interrupt+0x40/0xd0
[   26.285498]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[   26.285500]  common_interrupt+0x7a/0x90
[   26.285505]  </IRQ>
[   26.285506]  <TASK>
[   26.285506]  asm_common_interrupt+0x26/0x40
[   26.285509] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[   26.285513] 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 92 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[   26.285514] RSP: 0018:ff84784d8045fd38 EFLAGS: 00000286
[   26.285517] RAX: 00000000ffffffff RBX: ff4052fd81f68000 RCX: 0000000000000017
[   26.285518] RDX: ffffffffafdcf575 RSI: 0000000000000282 RDI: ffffffffb10c2680
[   26.285519] RBP: 0000000000000001 R08: 0000000000000001 R09: ff4052fd823c7000
[   26.285519] R10: ff84784d8045fe68 R11: 0000000000000001 R12: ffffffffb10c2680
[   26.285520] R13: ff84784d80355000 R14: ff4052fd823c7000 R15: 0000000000000282
[   26.285521]  ? rpm_suspend+0x185/0x5e0
[   26.285525]  uart_write+0xb4/0x270
[   26.285529]  n_tty_write+0x155/0x560
[   26.285532]  ? swake_up_all+0xd0/0xd0
[   26.285534]  file_tty_write.isra.0+0x15b/0x2a0
[   26.285536]  vfs_write+0x258/0x4d0
[   26.285540]  ? __hrtimer_run_queues+0x161/0x2a0
[   26.285543]  ksys_write+0x73/0xe0
[   26.285545]  do_syscall_64+0xa4/0xfc0
[   26.285547]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   26.285548] RIP: 0033:0x7f121f2d5c5e
[   26.285551] 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
[   26.285551] RSP: 002b:00007fff69233210 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   26.285553] RAX: ffffffffffffffda RBX: 0000563aa2bb8180 RCX: 00007f121f2d5c5e
[   26.285553] RDX: 0000000000000001 RSI: 0000563aa2bb8180 RDI: 0000000000000001
[   26.285554] RBP: 00007fff69233220 R08: 0000000000000000 R09: 0000000000000000
[   26.285554] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[   26.285555] R13: 0000563aa2b79010 R14: 0000000000000001 R15: 0000563aa2bb8180
[   26.285556]  </TASK>
[   26.285557] handlers:
[   26.286968] [<00000000ed935fed>] serial8250_interrupt
[   26.287001] Disabling IRQ #51