Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; lapic id = 1
instruction pointer	= 0x8:0xffffffff8080d337
stack pointer	        = 0x10:0xfffff801183e73b8
frame pointer	        = 0x10:0xfffff801183e7478
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		= 1116
current thread          = pri 10
kernel: type 9 trap, code=0

CPU1 stopping CPUs: 0x0000003d
 stopped
Stopped at      nfs_removerpc+0x57:     movl    (%rax),%eax
db>