Date: Tue, 27 Feb 2007 15:33:25 +1100 From: Peter Jeremy <peterjeremy@optushome.com.au> To: Joe Auty <joe@netmusician.org> Cc: freebsd-hackers@freebsd.org, freebsd-questions@freebsd.org Subject: Re: kernel panic at boot on any 6.x OS Message-ID: <20070227043324.GX844@turion.vk2pj.dyndns.org> In-Reply-To: <73B261EE-79C5-4773-B563-9D9FCA16B4C8@netmusician.org> References: <39E24107-964D-414C-95D1-5B1C376291E4@netmusician.org> <001001c759a6$438d5ed0$3c01a8c0@coolf89ea26645> <73B261EE-79C5-4773-B563-9D9FCA16B4C8@netmusician.org>
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--hoZxPH4CaxYzWscb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2007-Feb-26 17:38:10 -0500, Joe Auty <joe@netmusician.org> wrote: >My system does boot off of disc 1 of the FreeBSD 6.2 CD. That's a good start. Together with your memtest results, it suggests that your hardware is OK. > However, =20 >even when copying the /boot directory from the CD to my machine, it =20 >still produces the same kernel panic, even when starting in safe =20 >mode. Can you confirm that you have either deleted or renamed /boot before replacing it with files from the CD. An out-of-sync module does sound the most likely problem. If that doesn't help, please start DDB and get a backtrace. > I've run a memtest, and it checked out fine. Note that memtest cannot prove that your system doesn't have a problem. There are far too many states that your system could potentially be in. DRAM is especially susceptable to pattern- dependent and temporal glitches. >There must be something in my user space or world that it barfs on. I =20 >guess I will try a clean install and rebuild at some point... If you're not sure where this is being triggered, you could try adding 'rc_debug=3D"YES"' to your rc.conf (or even a 'set -x' if you are getting really desperate). This will make the boot sequence far more verbose. --=20 Peter Jeremy --hoZxPH4CaxYzWscb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFF47SU/opHv/APuIcRArlRAJwL9cir++DoXaotiZir3Rt52uu7ewCdFfdb H0AeJK6fmsLJfxa1zwDblmE= =mqMV -----END PGP SIGNATURE----- --hoZxPH4CaxYzWscb--
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