From owner-freebsd-questions@FreeBSD.ORG  Sat Jun 17 19:46:58 2006
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: questions@freebsd.org
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 CFE6B16A47A
	for <questions@freebsd.org>; Sat, 17 Jun 2006 19:46:58 +0000 (UTC)
	(envelope-from mnavarre@cox.net)
Received: from fed1rmmtao02.cox.net (fed1rmmtao02.cox.net [68.230.241.37])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 763EF43D48
	for <questions@freebsd.org>; Sat, 17 Jun 2006 19:46:58 +0000 (GMT)
	(envelope-from mnavarre@cox.net)
Received: from [192.168.1.14] (really [68.107.92.93]) by fed1rmmtao02.cox.net
	(InterMail vM.6.01.06.01 201-2131-130-101-20060113) with ESMTP
	id <20060617194658.SZPG12581.fed1rmmtao02.cox.net@[192.168.1.14]>;
	Sat, 17 Jun 2006 15:46:58 -0400
In-Reply-To: <4493DCE9.2000508@dial.pipex.com>
References: <DED9F0AB-B6A7-4769-8EB9-DD5D9F9AC094@cox.net>
	<44936624.80801@ywave.com> <4493DCE9.2000508@dial.pipex.com>
Mime-Version: 1.0 (Apple Message framework v750)
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
Message-Id: <15E19A2B-C411-4E03-8D8D-412E4069B505@cox.net>
Content-Transfer-Encoding: 7bit
From: Matthew Navarre <mnavarre@cox.net>
Date: Sat, 17 Jun 2006 12:46:56 -0700
To: Alex Zbyslaw <xfb52@dial.pipex.com>
X-Mailer: Apple Mail (2.750)
Cc: questions@freebsd.org
Subject: Re: Random panics on FreeeBSD 6.0
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 17 Jun 2006 19:46:58 -0000


On Jun 17, 2006, at 3:43 AM, Alex Zbyslaw wrote:

> Micah wrote:
>
>> Matthew Navarre wrote:
>>
>>> I've got an AMD Sempron machine running FreeBSD 6.0 that's been  
>>> experiencing random panics while trying to build world. In fact  
>>> it just paniced now, with no activity.
>>>
>>> The panic message is TPTE at 0xbfc20624 IS ZERO @ VA 08100000
>>> bad pte
>>>
>>> This started last night while I was portupgrading ruby and I got  
>>> random apps segfaulting, mostly gcc, so I suspected bad memory. I  
>>> installed new memory today, tried to buildworld. And *BAM* panic:  
>>> bad pte
>>>
>>> I'm still guessing that this is a hardware problem, and not  
>>> software but I'm not sure. If anyone can give me a clue I'd  
>>> appreciate it.
>>

Yup, looks like a bad memory slot along with a bad stick of RAM. I  
switched slots and installed a known-good stick of RAM and was able  
to build world. So I need to get the mainboard replaced, but at least  
it's not falling over in a stiff breeze.

Stupid hardware.

Thanks, guys
Matt

> As well as the things mentioned, it could also be a bad memory slot  
> (rather than chip), so try with one chip in one slot; if it still  
> fails, one chip in another slot; if it fails another chip in one  
> slot etc.  It could be a combination :-(
>
> --Alex
>
>