From owner-freebsd-hackers Wed Feb 19 11:38:42 2003 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C83D837B401 for ; Wed, 19 Feb 2003 11:38:40 -0800 (PST) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by mx1.FreeBSD.org (Postfix) with ESMTP id 01BB043F75 for ; Wed, 19 Feb 2003 11:38:40 -0800 (PST) (envelope-from mike@sentex.net) Received: from simian.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.12.7/8.12.7) with ESMTP id h1JJccpG005944; Wed, 19 Feb 2003 14:38:38 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <5.2.0.9.0.20030219143729.05f5e308@marble.sentex.ca> X-Sender: mdtpop@marble.sentex.ca (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Wed, 19 Feb 2003 14:43:19 -0500 To: Dag-Erling Smorgrav From: Mike Tancsa Subject: Re: debugging a repeating panic that does not produce a dump Cc: freebsd-hackers@freebsd.org In-Reply-To: References: <5.2.0.9.0.20030219101029.041d18d8@marble.sentex.ca> <5.2.0.9.0.20030217135903.064d7378@marble.sentex.ca> <5.2.0.9.0.20030217091242.05b184b0@marble.sentex.ca> <5.2.0.9.0.20030217091242.05b184b0@marble.sentex.ca> <5.2.0.9.0.20030217135903.064d7378@marble.sentex.ca> <5.2.0.9.0.20030219101029.041d18d8@marble.sentex.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Virus-Scanned: By Sentex Communications (lava/20020517) Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG It only happens when periodic runs, but it on occasion skips a day. Eg. yesterday it did not do it. It only started happening post Jan28th. I can brutalize the server with repeated buildworlds (-j2 through 8) and it is always successful. Its only on periodic that it dies and find is always the process running. Its only with SMP as well on this 'oldish' machine ---Mike At 08:30 PM 19/02/2003 +0100, Dag-Erling Smorgrav wrote: >Mike Tancsa writes: > > Fatal trap 12: page fault while in kernel mode > > mp_lock = 00000002; cpuid = 0; lapic.id = 01000000 > > fault virtual address = 0xc6efa8e8 > >Hmm, different fault address this time. > > > (kgdb) up 6 > > #6 0xc0174830 in makedev (x=28, y=160) at > /usr/src/sys/kern/kern_conf.c:207 > >These numbers look perfectly valid (cuaia0). The only explanation I >can think of is some kind of race, or some kind of corruption. >Hopefully somebody more clued than myself will be able to figure it >out. > >DES >-- >Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message