From owner-freebsd-hackers Fri Nov 7 12:33:49 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id MAA21545 for hackers-outgoing; Fri, 7 Nov 1997 12:33:49 -0800 (PST) (envelope-from owner-freebsd-hackers) Received: from heron.doc.ic.ac.uk (pNFsR72Si/bJAxcaHbCFi6Qre94JTKX/@heron.doc.ic.ac.uk [146.169.2.31]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id MAA21539 for ; Fri, 7 Nov 1997 12:33:46 -0800 (PST) (envelope-from njs3@doc.ic.ac.uk) Received: from oak67.doc.ic.ac.uk [146.169.33.67] ([JUVFai/e+YLygGJZWFLJJO7WCN3fQb0L]) by heron.doc.ic.ac.uk with smtp (Exim 1.62 #3) id 0xTv6b-0003UD-00; Fri, 7 Nov 1997 20:34:14 +0000 Received: from njs3 by oak67.doc.ic.ac.uk with local (Exim 1.62 #3) id 0xTv5n-0007fv-00; Fri, 7 Nov 1997 20:33:23 +0000 From: njs3@doc.ic.ac.uk (Niall Smart) Date: Fri, 7 Nov 1997 20:33:23 +0000 In-Reply-To: Julian Elischer "Newest Pentium bug (fatal)" (Nov 7, 10:39am) X-Mailer: Mail User's Shell (7.2.5 10/14/92) To: Julian Elischer , hackers@freebsd.org Subject: Re: Newest Pentium bug (fatal) Message-Id: Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Nov 7, 10:39am, Julian Elischer wrote: } Subject: Newest Pentium bug (fatal) > On a "genuine Intel" pentium (not pentium pro) > execution of the following sequence, 0xf0 0x0f 0xc7 0xc8 > > will stop the processor. This is doable from user mode and in > 16bitmode, or in fact any mode. Just tried the program under NT, no difference (as expected). Control Panel/System/General tells me that this machine is x86 Family 5 Model 2 Stepping 12, it makes no mention of it being a GenuineIntel but I presume it is. Niall