Date: Sun, 9 Nov 1997 03:08:14 -0600 (CST) From: Jim Bryant <jbryant@unix.tfs.net> To: cmott@srv.net (Charles Mott) Cc: freebsd-hackers@freebsd.org Subject: Re: Newest Pentium bug (fatal) Message-ID: <199711090908.DAA05745@argus.tfs.net> In-Reply-To: <Pine.BSF.3.96.971108215031.23401A-100000@darkstar.home> from Charles Mott at "Nov 8, 97 10:06:59 pm"
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In reply: > On Sat, 8 Nov 1997, Howard Lew wrote: > > > > For Windows users this bug should not be much of a problem unless viruses > > start popping up taking advantage of the bug. For FreeBSD it is not very > > comforting to know that any misbehaving user can lock up your shell > > machine, but in a controlled environment this should not be a problem. > > > > Possibly also systems where users are allowed to put executable > CGI-invoked code on their web pages (although usually such users > also have shell accounts). > > This could be bad for Intel. I think that there is a limited > subset of Pentium owners which now have a *very* strong incentive > to obtain replacement chips or go to alternate vendors (AMD or > IDT). this is going to be a real nightmare for intel... how many pentiums are out there, and i'm begionning to notice a lot of pentium-specific stuff out there now. the instruction seqquence in question seems to me to be a type that will be in widespread use in the very near future. to compare and exchange a 64 bit number is pretty fundamental, but still pentium specific. with the forward push for pentium specific programs, this will become more and more of a problem... hmmmm.... 100+ million pissed off customers... just imagine the logistics of a recall.... jim -- All opinions expressed are mine, if you | "I will not be pushed, stamped, think otherwise, then go jump into turbid | briefed, debriefed, indexed, or radioactive waters and yell WAHOO !!! | numbered!" - #1, "The Prisoner" ------------------------------------------------------------------------------ Inet: jbryant@tfs.net AX.25: kc5vdj@wv0t.#neks.ks.usa.noam grid: EM28pw voice: KC5VDJ - 6 & 2 Meters AM/FM/SSB, 70cm FM. http://www.tfs.net/~jbryant ------------------------------------------------------------------------------ HF/6M/2M: IC-706-MkII, 2M: HTX-212, 2M: HTX-202, 70cm: HTX-404, Packet: KPC-3+
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