Date: Wed, 18 Jul 2001 20:04:41 -0700 (PDT) From: Gordon Tetlow <gordont@gnf.org> To: Stewart Morgan <stewart@nameless-uk.com> Cc: <freebsd-stable@FreeBSD.ORG>, 'Greg Lehey' <grog@lemis.com> Subject: Re: PANIC in FFS -- Please HELP! Message-ID: <Pine.LNX.4.33.0107182000480.19368-100000@smtp.gnf.org> In-Reply-To: <000001c10fb2$ed07a0e0$0f01000a@saturn>
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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. -gordon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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