From owner-freebsd-current Mon Sep 30 13: 7:43 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4FADF37B401 for ; Mon, 30 Sep 2002 13:07:42 -0700 (PDT) Received: from mail.speakeasy.net (mail13.speakeasy.net [216.254.0.213]) by mx1.FreeBSD.org (Postfix) with ESMTP id DB78A43E88 for ; Mon, 30 Sep 2002 13:07:41 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: (qmail 31308 invoked from network); 30 Sep 2002 20:07:41 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) by mail13.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP for ; 30 Sep 2002 20:07:42 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.5/8.12.5) with ESMTP id g8UK7dBv007428 for ; Mon, 30 Sep 2002 16:07:39 -0400 (EDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.2 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20020930214022.A284@snoopy.cablecom.ch> Date: Mon, 30 Sep 2002 16:07:43 -0400 (EDT) From: John Baldwin To: freebsd-current@FreeBSD.ORG Subject: Re: Fatal trap 12 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 30-Sep-2002 Hanspeter Roth wrote: > On Sep 30 at 15:16, John Baldwin spoke: > >> > Fatal trap 12: page fault while in kernal mode >> > fault virtual address = 0xdeadc0de >> >> This means someone is trying to access memory that has been free'd. > > How do I make someone not to do such bad things? :-) > >> Hmm, unfortunately generic_bcopy() is in asm, and so it doesn't have >> a "true" frame and we end up skipping over the frame in execve() >> where it is called from. There are only 3 bcopy's in execve(), but >> I'm not sure which is likely to have been the problematic one. > > Did I smash upgrade? > Or doesn't Current just like my hardware? It's not hardware related I don't believe. You can try putting some printf's into the execve() function before each bcopy() to see which one blows up. > -Hanspeter > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message