From owner-freebsd-stable Thu Jul 19 17: 4:51 2001 Delivered-To: freebsd-stable@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 948CE37B405 for ; Thu, 19 Jul 2001 17:04:46 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 1E3FE6ACC1; Fri, 20 Jul 2001 09:34:44 +0930 (CST) Date: Fri, 20 Jul 2001 09:34:44 +0930 From: Greg Lehey To: "Karsten W. Rohrbach" Cc: Gordon Tetlow , Stewart Morgan , freebsd-stable@FreeBSD.ORG Subject: Re: PANIC in FFS -- Please HELP! Message-ID: <20010720093444.M24616@wantadilla.lemis.com> References: <000001c10fb2$ed07a0e0$0f01000a@saturn> <20010719173242.O39506@mail.webmonster.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010719173242.O39506@mail.webmonster.de>; from karsten@rohrbach.de on Thu, Jul 19, 2001 at 05:32:42PM +0200 Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thursday, 19 July 2001 at 17:32:42 +0200, Karsten W. Rohrbach wrote: > Gordon Tetlow(gordont@gnf.org)@2001.07.18 20:04:41 +0000: >> On Wed, 18 Jul 2001, Stewart Morgan wrote: >> >>> CPUTYPE=i686 >>> >>> CFLAGS=-O -pipe -felide-constructors -mcpu=pentiumpro -march=pentiumpro >>> -ffast-math -felide-constructors -fexpensive-optimizations >>> -funroll-loops -funroll-all-loops -fmemoize-lookups -fsave-memoized >>> -fno-strength-reduce >>> >>> CXXFLAGS+=-O -pipe -felide-constructors -mcpu=pentiumpro >>> -march=pentiumpro -ffast-math -felide-constructors >>> -fexpensive-optimizations -funroll-loops -funroll-all-loops >>> -fmemoize-lookups -fsave-memoized -fno-strength-reduce >>> >>> COPTFLAGS=-O -pipe -felide-constructors -mcpu=pentiumpro >>> -march=pentiumpro -ffast-math -felide-constructors >>> -fexpensive-optimizations -funroll-loops -funroll-all-loops >>> -fmemoize-lookups -fsave-memoized -fno-strength-reduce >>> >>> >> >> I feel obligated to point out the warning from /etc/defaults/make.conf: >> >> # CFLAGS controls the compiler settings used when compiling C code. >> # Note that optimization settings above -O (-O2, ...) are not recommended >> # or supported for compiling the world or the kernel - please revert any >> # nonstandard optimization settings to "-O" before submitting bug reports >> # to the developers. >> >> Please try your setup with the a "normal" CFLAGS (ie -O -pipe) and then >> see if you get a reproducible panic. If you do, then report it to the >> mailing list. Otherwise, you are a victim of a *known* bad code optimizer >> which you were warned about. > > has anybody tried gcc-3.0's code generation yet? Yes. It's not industry strength yet. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message