Fatal trap 9: general protection fault while in kernel mode cpuid = 4; lapic id = 4 instruction pointer = 0x8:0xffffffff8073accf stack pointer = 0x10:0xfffff80117bbf7a8 frame pointer = 0x10:0xfffff80117bbf7b8 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 = 1407 current thread = pri 6 kernel: type 9 trap, code=0 CPU4 stopping CPUs: 0x0000002f stopped Stopped at gif_ioctl+0x9f: movzbl (%rsi),%ecx db>