From owner-freebsd-stable Tue Mar 4 5:36:21 2003 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B2C7637B401 for ; Tue, 4 Mar 2003 05:36:18 -0800 (PST) Received: from gandalf.online.bg (gandalf.online.bg [217.75.128.9]) by mx1.FreeBSD.org (Postfix) with SMTP id 2023A43FAF for ; Tue, 4 Mar 2003 05:36:14 -0800 (PST) (envelope-from roam@ringlet.net) Received: (qmail 3696 invoked from network); 4 Mar 2003 13:31:57 -0000 Received: from office.sbnd.net (HELO straylight.ringlet.net) (217.75.140.130) by gandalf.online.bg with SMTP; 4 Mar 2003 13:31:57 -0000 Received: (qmail 62818 invoked by uid 1000); 4 Mar 2003 13:34:42 -0000 Date: Tue, 4 Mar 2003 15:34:42 +0200 From: Peter Pentchev To: Vikash Badal - PCS Cc: stable@FreeBSD.ORG Subject: Re: 4.8-PRE (and earlier) crash - syncookies? Message-ID: <20030304133442.GD554@straylight.oblivion.bg> References: <501BF453CDCFD111A6E40080C83DAC04E4C2ED@PSICS001> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="RpqchZ26BWispMcB" Content-Disposition: inline In-Reply-To: <501BF453CDCFD111A6E40080C83DAC04E4C2ED@PSICS001> User-Agent: Mutt/1.5.3i Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --RpqchZ26BWispMcB Content-Type: text/plain; charset=windows-1251 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 04, 2003 at 02:10:39PM +0200, Vikash Badal - PCS wrote: > Greetings, >=20 > > -----Original Message----- > > From: Peter Pentchev [mailto:roam@ringlet.net] > > Sent: 04 March 2003 01:59 > > To: stable@FreeBSD.ORG > > Subject: 4.8-PRE (and earlier) crash - syncookies? > >=20 > >=20 > > Hi, > >=20 > > I think this has been going on for a couple of months;=20 > > unfortunately, I > > cannot remember exactly when it started :( Several machines,=20 > > which have > > always been updated synchronously at intervals of a couple of weeks or > > so, have been experiencing panics every few days with recent=20 > > 4.6-STABLE, > > 4.7-STABLE, and 4.8-PRERELEASE kernel+world. > >=20 > > Attached is the kernel config and a gdb session of the most recent > > crashdump. Maybe the most interesting part is at the end of the gdb > > session: is there a normal reason why a TAILQ structure would have a > > null start pointer, and an end pointer pointing back to itself? > >=20 > > G'luck, > > Peter > >=20 >=20 > Have you checked your RAM or tried different RAM modules, >=20 > >Fatal trap 12: page fault while in kernel mode > >fault code =3D supervisor read, page not present >=20 > I had a problem recently with my 4.7-STABLE server with trap 12 > and it turned out to be the RAM that was shot! I do not really think this is a case of faulty RAM; as I mentioned above, this happens on several machines, with always the same faults with the same backtrace in the same kernel locations. G'luck, Peter --=20 Peter Pentchev roam@ringlet.net roam@sbnd.net roam@FreeBSD.org PGP key: http://people.FreeBSD.org/~roam/roam.key.asc Key fingerprint FDBA FD79 C26F 3C51 C95E DF9E ED18 B68D 1619 4553 If this sentence didn't exist, somebody would have invented it. --RpqchZ26BWispMcB Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+ZKty7Ri2jRYZRVMRAmaQAJ4tluXD+DlhMysVb0wExfLLPf0XEACeOeuL QZAQkqnyC1OJC7vmmBRrxHc= =3G32 -----END PGP SIGNATURE----- --RpqchZ26BWispMcB-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message