309:Fatal trap 12: page fault while in kernel mode
311:fault virtual address	= 0xfffff8011c100002
312:fault code		= supervisor read data, page not present
313:instruction pointer	= 0x8:0xffffffff82656022
319:current process		= Idle
325:Stopped at      get_tag+0x12:   movzwl  0x2(%rax),%edx