Date: Fri, 15 Oct 2004 06:48:37 -0400 From: Brian Fundakowski Feldman <green@freebsd.org> To: Guido van Rooij <guido@gvr.org> Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: 5.3-BETA7 install cd: kernel trap 12 with interrupts disabled Message-ID: <20041015104837.GK986@green.homeunix.org> In-Reply-To: <20041015082025.GA20471@gvr.gvr.org> References: <20041015073118.GA19660@gvr.gvr.org> <Pine.NEB.3.96L.1041015041209.84384g-100000@fledge.watson.org> <20041015082025.GA20471@gvr.gvr.org>
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On Fri, Oct 15, 2004 at 10:20:25AM +0200, Guido van Rooij wrote: > 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. The memtest86 program is certainly small enough that we could stick it in /boot and make sure that the loader can run it. I'd volunteer to try and do it if I were less busy myself. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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