40:Fatal user address access from kernel mode from rtprio_sidl at ffffffff806543d0
41-
42-
43-Fatal trap 12: page fault while in kernel mode
44-cpuid = 4; lapic id = 4
45-fault virtual address	= 0x198
46-fault code		= supervisor write data, page not present
47-instruction pointer	= 0x8:0xffffffff806543d0
48-stack pointer	        = 0x10:0xfffff8011d083878
49-frame pointer	        = 0x10:0xfffff8011d0838c8
50-code segment		= base 0x0, limit 0xfffff, type 0x1b
51-			= DPL 0, pres 1, long 0, def32 0, gran 1
52-processor eflags	= interrupt enabled, resume, IOPL = 0
53-current process		= 10217
54-current thread          = pri 6 
55-kernel: type 12 trap, code=2
56-