If it's repeatable, then it's a bug in the logic or microcode of a chip. Some of these could be really extreme corner cases, especially when people are doing th

If it's repeatable, then it's a bug in the logic or microcode of a chip. Some of these could be really extreme corner cases, especially when people are doing things with mixing 16-bit and 32-bit instructions. It's amazing how much hardware out there is buggy and fixed by operating systems and drivers.