From owner-freebsd-current@FreeBSD.ORG Mon Sep 22 07:45:36 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DC83F16A4B3 for ; Mon, 22 Sep 2003 07:45:36 -0700 (PDT) Received: from mail.liwing.de (mail.liwing.de [213.70.188.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id 86AFB43FA3 for ; Mon, 22 Sep 2003 07:45:35 -0700 (PDT) (envelope-from rehsack@liwing.de) Received: (qmail 2923 invoked from network); 22 Sep 2003 14:45:21 -0000 Received: from stingray.liwing.de (HELO liwing.de) ([213.70.188.164]) (envelope-sender ) by mail.liwing.de (qmail-ldap-1.03) with SMTP for ; 22 Sep 2003 14:45:21 -0000 Message-ID: <3F6F0B01.7070805@liwing.de> Date: Mon, 22 Sep 2003 14:45:21 +0000 From: Jens Rehsack User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.4) Gecko/20030821 X-Accept-Language: de-de, de, en-us, en MIME-Version: 1.0 To: Holger.Kipp@alogis.com References: <200309221425.h8MEPWY68417@alogis.com> In-Reply-To: <200309221425.h8MEPWY68417@alogis.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: jsmith@drexel.edu cc: freebsd-current@freebsd.org Subject: Re: Gcc 3.2.2 vs gcc 3.2.3 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Mon, 22 Sep 2003 14:45:37 -0000 Holger Kipp wrote: ... > imho memtest seems to be suitable for this-is-real-broken-memory(tm) only. Yes, memtest86 could only detect bad memory. No reported failure doesn't says anything except memtest86 didn't found any error. > It might be that due to differnent optimisations (gcc 3.2.2 vs gcc 3.2.3) > you might escape the bitpatterns that would otherwise trigger the sig 11. There're several bugs known in gcc-3.2, some of them are removed in gcc-3.3, some of them are scheduled to be fixed in gcc-3.4. The best recommendation to optimization (if you don't want to research atr gcc.gnu.org) is using -O and not more. Regards, Jens