Date: Tue, 4 Mar 2003 15:34:42 +0200 From: Peter Pentchev <roam@ringlet.net> To: Vikash Badal - PCS <VikashB@ComparexAfrica.co.za> Cc: stable@FreeBSD.ORG Subject: Re: 4.8-PRE (and earlier) crash - syncookies? Message-ID: <20030304133442.GD554@straylight.oblivion.bg> In-Reply-To: <501BF453CDCFD111A6E40080C83DAC04E4C2ED@PSICS001> References: <501BF453CDCFD111A6E40080C83DAC04E4C2ED@PSICS001>
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[-- Attachment #1 --] On Tue, Mar 04, 2003 at 02:10:39PM +0200, Vikash Badal - PCS wrote: > Greetings, > > > -----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? > > > > > > Hi, > > > > I think this has been going on for a couple of months; > > unfortunately, I > > cannot remember exactly when it started :( Several machines, > > which have > > always been updated synchronously at intervals of a couple of weeks or > > so, have been experiencing panics every few days with recent > > 4.6-STABLE, > > 4.7-STABLE, and 4.8-PRERELEASE kernel+world. > > > > 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? > > > > G'luck, > > Peter > > > > Have you checked your RAM or tried different RAM modules, > > >Fatal trap 12: page fault while in kernel mode > >fault code = supervisor read, page not present > > 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 -- 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. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+ZKty7Ri2jRYZRVMRAmaQAJ4tluXD+DlhMysVb0wExfLLPf0XEACeOeuL QZAQkqnyC1OJC7vmmBRrxHc= =3G32 -----END PGP SIGNATURE-----
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