Date: Fri, 15 Oct 2004 10:20:25 +0200 From: Guido van Rooij <guido@gvr.org> To: Robert Watson <rwatson@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: 5.3-BETA7 install cd: kernel trap 12 with interrupts disabled Message-ID: <20041015082025.GA20471@gvr.gvr.org> In-Reply-To: <Pine.NEB.3.96L.1041015041209.84384g-100000@fledge.watson.org> References: <20041015073118.GA19660@gvr.gvr.org> <Pine.NEB.3.96L.1041015041209.84384g-100000@fledge.watson.org>
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On Fri, Oct 15, 2004 at 04:14:04AM -0400, Robert Watson wrote: > > > > I am beginning to wonder if we should have a boot option that enables a > > thorough memtest from within the kernel...(e.g. boot -m). > > I guess the old /dev/test_for_shoddy_workmanship driver is working :-). > > It's probably just bad luck -- BIOS memory testing is generally pretty > poor, and it could just be FreeBSD stored your root vnode pointer (or some > other critical thing) in a memory word that Win2K was using for an icon, > so a single bit twiddle did pretty different things. Glad it's fixed. I > occasionally wonder if we shouldn't build a memory tester into the FreeBSD > boot loader to help diagnose this sort of stuff, though. Not to run every > boot, but as a diagnostics option. Yep, exactly my thoughts. I think this is a wonderfull idea. -Guido
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