> > The pentium bug is caused by the chip executing an invalid opcode - its
> > really a very different bug from the cyrix bug.... I doubt
> > enabling/disabling anything is going to help with the pentium bug.
>
> They are very similar it appears. One is "lock cmpxchg8" which causes a double
> lock cycle on the bus (I believe its to the bus), the other is a dual issue
> of an implicitly locked operation (again dual lock).
Hmm. Indeed, thats pretty similar... hadn't thought about that.
I still say that they're also significantly different in that the pentium
is executing what should be an invalid instruction, and the cyrix is
executing valid instructions stupidly.
later,
Andrew Kieschnick