State one type of instruction that would cause a pipeline system to be reset, explaining why such reset is necessary.
IF Page fault on instruction fetch; misaligned memory
access; memory-protection violation
ID Undefined or illegal opcode
EX Arithmetic interrupt
MEM Page fault on data fetch; misaligned memory access; memory-protection violation
Load with data page fault, Add with instruction page fault?
Solution 1: interrupt vector/instruction, restart everything incomplete