From owner-freebsd-hackers Sun Nov 9 22:51:10 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id WAA08127 for hackers-outgoing; Sun, 9 Nov 1997 22:51:10 -0800 (PST) (envelope-from owner-freebsd-hackers) Received: from unix.tfs.net (root@unix.tfs.net [199.79.146.60]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id WAA08122 for ; Sun, 9 Nov 1997 22:51:02 -0800 (PST) (envelope-from jbryant@argus.tfs.net) Received: from argus.tfs.net (tc1-p12.tfs.net [139.146.197.12]) by unix.tfs.net (8.8.5/8.8.5) with ESMTP id AAA25608; Mon, 10 Nov 1997 00:49:26 -0600 Received: (from jbryant@localhost) by argus.tfs.net (8.8.7/8.8.5) id AAA07487; Mon, 10 Nov 1997 00:50:42 -0600 (CST) From: Jim Bryant Message-Id: <199711100650.AAA07487@argus.tfs.net> Subject: Re: Newest Pentium bug (fatal) In-Reply-To: <87k9ehzpq4.fsf@muon.xs4all.nl> from Peter Mutsaers at "Nov 9, 97 11:06:59 pm" To: plm@xs4all.nl (Peter Mutsaers) Date: Mon, 10 Nov 1997 00:50:40 -0600 (CST) Cc: freebsd-hackers@freebsd.org Reply-to: jbryant@tfs.net X-Windows: R00LZ!@# MS-Winbl0wz DR00LZ!@# X-Operating-System: FreeBSD 2.2.2-RELEASE #0: Wed Jul 9 01:01:24 CDT 1997 X-Mailer: ELM [version 2.4ME+ PL31H (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk 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 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+