From owner-freebsd-stable@FreeBSD.ORG Sun Aug 30 06:31:11 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 770CF1065670 for ; Sun, 30 Aug 2009 06:31:11 +0000 (UTC) (envelope-from dan@dan.emsphone.com) Received: from email2.allantgroup.com (email2.emsphone.com [199.67.51.116]) by mx1.freebsd.org (Postfix) with ESMTP id 3CA2D8FC14 for ; Sun, 30 Aug 2009 06:31:11 +0000 (UTC) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by email2.allantgroup.com (8.14.0/8.14.0) with ESMTP id n7U6V7mL001029 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 30 Aug 2009 01:31:08 -0500 (CDT) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (smmsp@localhost [127.0.0.1]) by dan.emsphone.com (8.14.3/8.14.3) with ESMTP id n7U6V6x7073268 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 30 Aug 2009 01:31:07 -0500 (CDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.14.3/8.14.3/Submit) id n7U6V6Nt073264; Sun, 30 Aug 2009 01:31:06 -0500 (CDT) (envelope-from dan) Date: Sun, 30 Aug 2009 01:31:05 -0500 From: Dan Nelson To: Richard Mahlerwein Message-ID: <20090830063104.GB2855@dan.emsphone.com> References: <772579.96245.qm@web51002.mail.re2.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <772579.96245.qm@web51002.mail.re2.yahoo.com> X-OS: FreeBSD 7.2-STABLE User-Agent: Mutt/1.5.19 (2009-01-05) X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on email2.allantgroup.com X-Virus-Status: Clean X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2 (email2.allantgroup.com [199.67.51.78]); Sun, 30 Aug 2009 01:31:08 -0500 (CDT) X-Scanned-By: MIMEDefang 2.45 Cc: FreeBSD-Stable Subject: Re: Fatal Trap 12 in various processes always at address 0x3030313a X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Aug 2009 06:31:11 -0000 In the last episode (Aug 29), Richard Mahlerwein said: > (Sorry, update to subject to be ) > > 3 weeks ago: > I upgraded from 7.1-PRELEASE to -stable and all seemed fine > until I rebooted out of single user mode after doing make > installworld and mergemaster.  At that point, near the > end of the boot sequence I got a core dump, apparently > triggered by devd. > > **** > Fatal trap 12: page fault while in kernel mode. > cpu id = 0; apic id = 00 > fault virtual address = 0x3030313a > fault code = supervisor write, page not present > [snip] > current process = 355 (devd) > **** At this point you will want to get a kernel dump and post its stack trace. 0x3030313a in ASCII is "001:", so some string probably overflowed a buffer. http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-gdb.html -- Dan Nelson dnelson@allantgroup.com