[  521.470384] Mirror/redirect action on
[  536.956372] irq 51: nobody cared (try booting with the "irqpoll" option)
[  536.956467] CPU: 0 UID: 0 PID: 12367 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(voluntary) 
[  536.956470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  536.956472] Call Trace:
[  536.956476]  <IRQ>
[  536.956479]  dump_stack_lvl+0x4d/0x70
[  536.956486]  __report_bad_irq+0x35/0xb8
[  536.956488]  note_interrupt.cold+0x28/0x66
[  536.956489]  handle_irq_event+0x6e/0x80
[  536.956492]  handle_edge_irq+0xbc/0x180
[  536.956494]  __common_interrupt+0x40/0xd0
[  536.956497]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  536.956499]  common_interrupt+0x7a/0x90
[  536.956503]  </IRQ>
[  536.956503]  <TASK>
[  536.956503]  asm_common_interrupt+0x26/0x40
[  536.956506] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  536.956509] 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
[  536.956510] RSP: 0018:ff5c47160a933d38 EFLAGS: 00000286
[  536.956512] RAX: 00000000ffffffff RBX: ff41bbd1c1f28000 RCX: 0000000000000017
[  536.956512] RDX: ffffffff8c1ce675 RSI: 0000000000000282 RDI: ffffffff8d4c0680
[  536.956513] RBP: 0000000000000001 R08: 0000000000000001 R09: ff41bbd1c4b2a400
[  536.956513] R10: ff5c47160a933e68 R11: 0000000000000001 R12: ffffffff8d4c0680
[  536.956514] R13: ff5c471600355000 R14: ff41bbd1c4b2a400 R15: 0000000000000282
[  536.956514]  ? rpm_suspend+0x185/0x5e0
[  536.956519]  uart_write+0xb4/0x270
[  536.956522]  n_tty_write+0x155/0x560
[  536.956524]  ? swake_up_all+0xd0/0xd0
[  536.956526]  file_tty_write.isra.0+0x15b/0x2a0
[  536.956528]  vfs_write+0x258/0x4d0
[  536.956531]  ? __hrtimer_run_queues+0x161/0x2a0
[  536.956533]  ksys_write+0x73/0xe0
[  536.956534]  do_syscall_64+0xa4/0xfc0
[  536.956536]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  536.956537] RIP: 0033:0x7f89b19fac5e
[  536.956539] 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
[  536.956539] RSP: 002b:00007ffd5c357ef0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  536.956540] RAX: ffffffffffffffda RBX: 000055603517d210 RCX: 00007f89b19fac5e
[  536.956541] RDX: 0000000000000001 RSI: 000055603517d210 RDI: 0000000000000001
[  536.956541] RBP: 00007ffd5c357f00 R08: 0000000000000000 R09: 0000000000000000
[  536.956541] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  536.956542] R13: 000055603513e010 R14: 0000000000000001 R15: 000055603517d210
[  536.956543]  </TASK>
[  536.956543] handlers:
[  536.957745] [<00000000c282aaca>] serial8250_interrupt
[  536.957773] Disabling IRQ #51