From owner-freebsd-current@FreeBSD.ORG Thu Jul 5 21:32:28 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id F1E8D1065670 for ; Thu, 5 Jul 2012 21:32:27 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id C8E7F8FC16 for ; Thu, 5 Jul 2012 21:32:27 +0000 (UTC) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 32D1CB993; Thu, 5 Jul 2012 17:32:27 -0400 (EDT) From: John Baldwin To: freebsd-current@freebsd.org Date: Thu, 5 Jul 2012 17:27:59 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110714-p17; KDE/4.5.5; amd64; ; ) References: <4FF28682.9020705@zedat.fu-berlin.de> In-Reply-To: <4FF28682.9020705@zedat.fu-berlin.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201207051727.59295.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Thu, 05 Jul 2012 17:32:27 -0400 (EDT) Cc: "O. Hartmann" Subject: Re: 10.0-CURRENT: kernel: Fatal trap 12: page fault while in kernel mode X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Jul 2012 21:32:28 -0000 On Tuesday, July 03, 2012 1:43:30 am O. Hartmann wrote: > The most recent build of FreeBSD 10.0-CURRENT crashes on one of our > boxes with recent Intel hardware, see dmesg extract below. FreeBSD does > obviously only crash on hardware with modern "Sandy-Bridge" hardware, > the very same kernel config and a very similar setup does work very well > on an older Intel Core2Dua architecture. > > Machine in question runs an older kernel (set via nextboot -k > kernel.old) very well: > FreeBSD 10.0-CURRENT #0 r237697: Thu Jun 28 11:45:08 CEST 2012 > > Most recent buildworls/kernels crash after going into multiuser mode > (/etc/rc-scripts getting executed). Below the kernel trap message. > > I do this report on the fly, so if there is need for deeper > investigations let me know, I will provide necessary detail requested. We would need a stack trace to debug this further. Do you have a crashdump? -- John Baldwin