From owner-freebsd-questions@FreeBSD.ORG Fri Jun 6 06:08:29 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D415F1065671 for ; Fri, 6 Jun 2008 06:08:29 +0000 (UTC) (envelope-from riaank@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.183]) by mx1.freebsd.org (Postfix) with ESMTP id 9CDA48FC12 for ; Fri, 6 Jun 2008 06:08:29 +0000 (UTC) (envelope-from riaank@gmail.com) Received: by wa-out-1112.google.com with SMTP id j4so591127wah.3 for ; Thu, 05 Jun 2008 23:08:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type:references; bh=Cjb/A5U8K2ogDE+QVQxWVnt5UpwGdP6U9UJOSJau/x4=; b=HBPuSzPGLKVSsmzxjzkkQu0FCYjiKs55bu7UkGuic4dIOF3wGwXi9HwqaLAKANsvFR u2ZsExjDYLTZlVRW/R+oGkfmOJloYL07hPN2pKARRjC3yAQaj37unpxuu+uBcyfa0NBy x/Iz7JR+MZI9eGn6GufY4NM0CLxJs2/xrvHxs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:references; b=q5NnQ51ohu9zsGHpCnYDXQNwD4DktHi+mLdoMa7gxXtn2ccRZkd0wNP7CV1+Bo5Ezc XIDgrtqX4IgFeUHlMC7pxA1YCQ1sFmD8Yq0Y2CknqJauu0ovdNSUyo3NWT7x8hypkvlF HupQvOcxZclX+RC8SLV5H3E2eH9CxQCPupxb4= Received: by 10.114.158.1 with SMTP id g1mr2555703wae.111.1212732509278; Thu, 05 Jun 2008 23:08:29 -0700 (PDT) Received: by 10.115.54.10 with HTTP; Thu, 5 Jun 2008 23:08:29 -0700 (PDT) Message-ID: <85c4b1850806052308l6a2ccd6bp2a24527b373b1ef5@mail.gmail.com> Date: Fri, 6 Jun 2008 08:08:29 +0200 From: "Riaan Kruger" To: 1@movesmountains.com In-Reply-To: <019b01c8c6f2$ddc7e730$f001a8c0@asgard.movesmountains.com> MIME-Version: 1.0 References: <019b01c8c6f2$ddc7e730$f001a8c0@asgard.movesmountains.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: Query on kgdb output X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Jun 2008 06:08:29 -0000 On Thu, Jun 5, 2008 at 11:59 AM, <1@movesmountains.com> wrote: > Hi, > I'm seeing regular kernel panics on my new box with a fresh install of > 7.0-RELEASE. I'm trying to get some information out of kgdb by following > the instructions in the handbook - however, I'm getting a 'cannot access > memory' message when I try it: > > odin2008# kgdb kernel.debug /var/crash/vmcore.1 > [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: > Undefined symbol "ps_pglobal_lookup"] > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you > are > welcome to change it and/or distribute copies of it under certain > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "i386-marcel-freebsd". > Cannot access memory at address 0x2fd9 > (kgdb) where > #0 0x00000000 in ?? () > (kgdb) quit > > > Am I doing something wrong, or does this point to a hardware failure? (I'm > also seeing missing characters in /var/log/messages, which I addressed in a > separate mail; not sure if it's related). > > Sorry the first reply went to the wrong place. What info does a stack trace (commadn bt in kgdb) give? Riaan