Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; lapic id = 1
instruction pointer	= 0x8:0xffffffff80692264
stack pointer	        = 0x10:0xfffff80118307778
frame pointer	        = 0x10:0xfffff80118307798
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 1118
current thread          = pri 6 
kernel: type 9 trap, code=0

CPU1 stopping CPUs: 0x0000003d
 stopped
Stopped at      sysctl_devstat+0xa4:    movq    (%rbx),%rbx
db>