Re: 2.1.63 - testing Pentium bug workaround..
Craig Milo Rogers (rogers@ISI.EDU)
Thu, 13 Nov 1997 13:12:38 -0800
>> Note that according to Intel doc, descriptor table accesses are not
>> locked. Locked descriptor and page table accesses are only performed when
>> the processor realizes that it must update bits (such as accessed) in a
>> table entry.
>
>hm, maybe this explains why running another invalid instruction before the
>F0 0F C7 C8 instruction 'fixes' the bug? After bootup, trap 6 should have
>a cleared 'accessed' bit, correct?
Hmmm, would it be possible to preset the "accessed" bit in the
table entry as an alternative workaround?
Craig Milo Rogers