Date: Sun, 4 May 2003 10:03:28 -0400 (EDT) From: Robert Watson <rwatson@freebsd.org> To: "Cliff L. Biffle" <cbiffle@safety.net> Cc: current@freebsd.org Subject: Re: Reproduceable kernel panic on boot Message-ID: <Pine.NEB.3.96L.1030504100048.92658x-100000@fledge.watson.org> In-Reply-To: <200305040004.40214.cbiffle@safety.net>
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On Sun, 4 May 2003, Cliff L. Biffle wrote: > I'd like to attach my kernel configuration, but have no working kernel on the > machine. Yay. It's basically GENERIC configured for I586 with at least the > following added: > options GEOM_AES, GEOM_BDE, GEOM_BSD, GEOM_GPT, GEOM_MBR, GEOM_VOL > options PSM_RESETAFTERSUSPEND > options CPU_SUSP_HLT, CPU_WT_ALLOC, NO_F00F_HACK, NO_MEMORY_HOLE > > The machine is a K6-2; I've uncommented the CFLAGS and COPTFLAGS in > make.conf but left them unchanged, and set cputype to k6-2. > > While I am using ccache, I've cleared and reset my caches and the > problem still occurs. > > Please, help! Now I get to see if I remember how to revert the entire > tree to a couple days ago. :-) Recognizing that this is made difficult by the lack of a good kernel on the box, could you build the same kernel configuration with the addition of "options DDB"? This will permit you to get a stack trace for the problem -- it's a NULL pointer dereference, but without a stack trace, it could be fairly hard to track down. If you choose to revert a kernel, revert to before April 26, or after May 3 to avoid possibly bumping into the ffs_blkfree() issue. :-) Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Network Associates Laboratories
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