Fatal trap 18: integer divide fault while in kernel mode
cpuid = 4; lapic id = 4
instruction pointer	= 0x8:0xffffffff8065b630
stack pointer	        = 0x10:0xfffff80117fd7760
current process		= 851
kernel: type 18 trap, code=0
CPU4 stopping CPUs: 0x00000037
 stopped
Stopped at      cputimer_set_frequency+0x10:    divq    %rsi,%eax