Date: Fri, 20 Jul 2001 10:58:35 +0100 From: "Stewart Morgan" <stewart@nameless-uk.com> To: "'Gordon Tetlow'" <gordont@gnf.org> Cc: <freebsd-stable@FreeBSD.ORG>, "'Greg Lehey'" <grog@lemis.com> Subject: RE: PANIC in FFS -- Please HELP! [resolved] Message-ID: <008301c11102$8ec2ea70$0f01000a@saturn> In-Reply-To: <Pine.LNX.4.33.0107182000480.19368-100000@smtp.gnf.org>
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> 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 *blush* For some reason, I keep forgetting that all -O* does is to define the various -f* entries. *sigh* More coffee required :) Does anybody know which, if any, optimisations actually work with _no_ ill effects? I guess the -march and -mcpu options are safe? Otherwise, why are they in -stable. But the others? Stewart. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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