211:login: Fatal user address access from kernel mode from df5288 at ffffffff80a5438c
212-
213-
214-Fatal trap 12: page fault while in kernel mode
215-cpuid = 1; lapic id = 1
216-fault virtual address	= 0x130
217-fault code		= supervisor read data, page not present
218-instruction pointer	= 0x8:0xffffffff80a5438c
219-stack pointer	        = 0x10:0xfffff80117c1b5f8
220-frame pointer	        = 0x10:0xfffff80117c1b608
221-code segment		= base 0x0, limit 0xfffff, type 0x1b
222-			= DPL 0, pres 1, long 0, def32 0, gran 1
223-processor eflags	= interrupt enabled, resume, IOPL = 0
224-current process		= 931
225-current thread          = pri 6 
226-kernel: type 12 trap, code=0
227-
228-CPU1 stopping CPUs: 0x0000003d
229- stopped
230-Stopped at      usbd_transfer_pending+0x3c:     movq    0x130(%rax),%rdi
231-db>