login: vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
panic: vm_fault: fault on stack guard, addr: 0xfffff80118274000
cpuid = 4
Trace beginning at frame 0xfffff801184b32b8
vm_fault() at vm_fault+0x12eb 0xffffffff8099ef9b 
vm_fault() at vm_fault+0x12eb 0xffffffff8099ef9b 
trap_pfault() at trap_pfault+0x9a 0xffffffff80bd52ca 
trap() at trap+0x17c 0xffffffff80bd5bcc 
calltrap() at calltrap+0x9 0xffffffff80b991fa 
--- trap 000000000000000c, rip = ffffffff80bcab4f, rsp = fffff801184b36c0, rbp = fffff801184b3728 ---
memmove() at memmove+0x24f 0xffffffff80bcab4f 
udf_readdir() at udf_readdir+0x138 0xffffffff82602298 
Debugger("panic")

CPU4 stopping CPUs: 0x0000002f
 stopped