Date: Thu, 10 Oct 1996 04:02:57 -0700 From: David Greenman <dg@root.com> To: John Polstra <jdp@polstra.com> Cc: Charles Henrich <henrich@crh.cl.msu.edu>, jgreco@brasil.moneng.mei.com, freebsd-hackers@freebsd.org, dyson@freebsd.org Subject: Re: CVSup Message-ID: <199610101102.EAA26552@root.com> In-Reply-To: Your message of "Wed, 09 Oct 1996 19:16:18 PDT." <199610100216.TAA00612@austin.polstra.com>
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>I think you're only seeing it because you built your kernel with -DDEBUG. Yikes! I hope this isn't true. You really don't want to use DEBUG for any sort of real use of the system. It's intended to hide all sorts of garbage that we didn't know what else to do with but didn't want to delete completely (because it had some utility when we were trying to figure out some problem or other). All sorts of bad things might happen if you try to run with it. Case-in-point is the "fatal exception..." message you're seeing. I added that a few years ago to make it a little easier to understand some of the failure cases that were causing our "signal-11" problems. Having the fault VA is sometimes useful in determining the nature of the failure. I decided to add the code to FreeBSD because I didn't want to have to re-invent the wheel each time I needed to troubleshoot this problem. ...but I never intended for someone to actually run normally with this. Scarey. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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