From owner-freebsd-hackers Mon Nov 10 02:10:41 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id CAA19722 for hackers-outgoing; Mon, 10 Nov 1997 02:10:41 -0800 (PST) (envelope-from owner-freebsd-hackers) Received: from webfarm1.whistle.com (webfarm1.whistle.com [207.76.204.6]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id CAA19701 for ; Mon, 10 Nov 1997 02:10:34 -0800 (PST) (envelope-from julian@whistle.com) Received: (from smap@localhost) by webfarm1.whistle.com (8.8.5/8.8.5) id CAA19050 for ; Mon, 10 Nov 1997 02:10:33 -0800 (PST) X-Authentication-Warning: webfarm1.whistle.com: smap set sender to using -f Received: from alpo.whistle.com(alpo.isp.whistle.com 207.76.204.38) by webfarm1.whistle.com via smap (V2.0) id xmac19042; Mon, 10 Nov 97 02:10:11 -0800 Received: (from daemon@localhost) by alpo.whistle.com (8.8.5/8.8.5) id BAA07056; Mon, 10 Nov 1997 01:52:21 -0800 (PST) Received: from UNKNOWN(), claiming to be "current1.whistle.com" via SMTP by alpo.whistle.com, id smtpd007051; Mon Nov 10 01:52:16 1997 Date: Mon, 10 Nov 1997 01:50:24 -0800 (PST) From: Julian Elischer To: jbryant@tfs.net cc: Peter Mutsaers , freebsd-hackers@FreeBSD.ORG Subject: Re: Newest Pentium bug (fatal) In-Reply-To: <199711100650.AAA07487@argus.tfs.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Mon, 10 Nov 1997, Jim Bryant wrote: > In reply: > > CPU: Pentium (200.46-MHz 586-class CPU) > > Origin = "GenuineIntel" Id = 0x544 Stepping=4 > > Features=0x8001bf > > > > Also crashes. > > > > How do I get a replacement from Intel? > > access to the press... we have to counter the paid ass-covering > robert collins is giving for intel in the press... > > he is claiming to have another instruction sequence that he calls an > "invalid opcode" that can crash a pentium in a similar way, and is > apparently holding back and telling people not to "stir up the pot" in > another recent usenet posting... > > research proves that the currently discussed bug is NOT an invalid > opcode as he claims but in fact is an infinitely useful documented > instruction. > > LOCK CMPXCHG8B EDX:EAX, ECX:EBX ; crash... pp 25-72 to > ; 25-73 of intel's arch & prog > ; manual for the pentium well EBX is on both sides,, is this useful? > > 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+ >