From owner-freebsd-current@FreeBSD.ORG Fri Apr 13 16:26:24 2007 Return-Path: X-Original-To: freebsd-current@FreeBSD.ORG Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9F01516A400 for ; Fri, 13 Apr 2007 16:26:24 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (lurza.secnetix.de [83.120.8.8]) by mx1.freebsd.org (Postfix) with ESMTP id 2824913C455 for ; Fri, 13 Apr 2007 16:26:23 +0000 (UTC) (envelope-from olli@lurza.secnetix.de) Received: from lurza.secnetix.de (dixgpk@localhost [127.0.0.1]) by lurza.secnetix.de (8.13.4/8.13.4) with ESMTP id l3DGQHnK044784; Fri, 13 Apr 2007 18:26:22 +0200 (CEST) (envelope-from oliver.fromme@secnetix.de) Received: (from olli@localhost) by lurza.secnetix.de (8.13.4/8.13.1/Submit) id l3DGQHZW044782; Fri, 13 Apr 2007 18:26:17 +0200 (CEST) (envelope-from olli) From: Oliver Fromme Message-Id: <200704131626.l3DGQHZW044782@lurza.secnetix.de> To: doublef-ctm@yandex.ru (Sergey Zaharchenko) Date: Fri, 13 Apr 2007 18:26:17 +0200 (CEST) In-Reply-To: <20070413152932.GA3088@shark.localdomain> X-Mailer: ELM [version 2.5 PL8] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.1.2 (lurza.secnetix.de [127.0.0.1]); Fri, 13 Apr 2007 18:26:23 +0200 (CEST) X-Mailman-Approved-At: Fri, 13 Apr 2007 20:42:44 +0000 Cc: freebsd-current@FreeBSD.ORG Subject: Re: ZFS committed to the FreeBSD base. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Apr 2007 16:26:24 -0000 Sergey Zaharchenko wrote: > Hello Oliver! > > Fri, Apr 13, 2007 at 04:52:45PM +0200 you wrote: > > Using cmpxchg8b with a lock prefix wouldn't be a good idea > > anyway. If I remember correctly, the lock cmpxchg8b > > combination was the cause of the infamous "F00F" bug of > > old Pentium processors. It causes them to freeze. > > AFAICT the bug only manifested itself when the instruction had an > invalid register operand: > > www.intel.com/support/processors/pentium/ppiie/ : Ah, that's good then. Thanks for the clarification! Best regards Oliver -- Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. Handelsregister: Registergericht Muenchen, HRA 74606, Geschäftsfuehrung: secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht Mün- chen, HRB 125758, Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd "And believe me, as a C++ programmer, I don't hesitate to question the decisions of language designers. After a decent amount of C++ exposure, Python's flaws seem ridiculously small." -- Ville Vainio