From owner-freebsd-questions Tue Sep 3 2:42:52 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9A95337B400 for ; Tue, 3 Sep 2002 02:42:49 -0700 (PDT) Received: from smtp.infracaninophile.co.uk (happy-idiot-talk.infracaninophile.co.uk [81.2.69.218]) by mx1.FreeBSD.org (Postfix) with ESMTP id 674E343E6E for ; Tue, 3 Sep 2002 02:42:48 -0700 (PDT) (envelope-from m.seaman@infracaninophile.co.uk) Received: from happy-idiot-talk.infracaninophile.co.uk ([IPv6:::1]) by smtp.infracaninophile.co.uk (8.12.5/8.12.5) with ESMTP id g839gkGk020833; Tue, 3 Sep 2002 10:42:46 +0100 (BST) (envelope-from matthew@happy-idiot-talk.infracaninophile.co.uk) Received: (from matthew@localhost) by happy-idiot-talk.infracaninophile.co.uk (8.12.5/8.12.5/Submit) id g839geeK020832; Tue, 3 Sep 2002 10:42:40 +0100 (BST) Date: Tue, 3 Sep 2002 10:42:40 +0100 From: Matthew Seaman To: "F A.S" Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Kernel Bug Message-ID: <20020903094240.GC20142@happy-idiot-talk.infracaninophi> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.1i Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Sep 03, 2002 at 10:49:46AM +0300, F A.S wrote: > I sent this email already two days ago, but I got no response. I am really > in desperate need for help, since I have a deadline in 5 days. Hmmm... fatal trap 12 often indicates hardware problems: overheating, bad memory, bad CPU are all fairly common. Try pulling out one SIMM at a time and running for a while on reduced memory, or swap out with known good memory. Check fans are operational and that vents aren't clogged with dust. > I have a fresh FreeBSD installation on a PC with Squid running on top. But, > I've noticed that the system reboots on a fatal trap 12 every 3-4 hours. > Here are the details: > > - FreeBSD 4.0-RELEASE #0 > - Default installation: /usr/src/sys/compile/GENERIC i386 > - PC: Compaq EP Series P450/6.4 ARA 4.0-RELEASE is pretty old and had some nasty bugs. First thing to do is try upgrading to something more up to date, like 4.6.2-RELEASE > The Trap: > /kernel: Fatal trap 12: page fault while in kernel mode > /kernel: fault virtual address = 0x8 > /kernel: fault code = supervisor read, page not present > /kernel: instruction pointer = 0x8:0xc01cf0c4 > /kernel: stack pointer = 0x10:0xc031ac64 > /kernel: frame pointer = 0x10:0xc031ac6c > /kernel: code segment = base 0x0, limit 0xfffff, type 0x1b > /kernel: = DPL 0, pres 1, def32 1, gran 1 > /kernel: processor eflags = interrupt enabled, resume, IOPL = 0 > /kernel: current process = Idle > /kernel: interrupt mask = > /kernel: trap number = 12 > /kernel: panic: page fault > /kernel: > /kernel: syncing disks... 2 > -------------------------------- > Please, if anyone can help in any way, I'll really appreciate it. This output, in and of itself, isn't actually very helpful. Take a look at: http://www.onlamp.com/pub/a/bsd/2002/03/21/Big_Scary_Daemons.html http://www.onlamp.com/pub/a/bsd/2002/04/04/Big_Scary_Daemons.html http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html which will show you how to get a lot more detailed information out of your system and hopefully that should be enough to track down the cause of the problem. Cheers, Matthew -- Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks Savill Way Marlow Tel: +44 1628 476614 Bucks., SL7 1TH UK To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message