From owner-freebsd-stable@FreeBSD.ORG Tue Oct 7 15:07:53 2008 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 35292106568D; Tue, 7 Oct 2008 15:07:53 +0000 (UTC) (envelope-from gerrit@pmp.uni-hannover.de) Received: from mrelay1.uni-hannover.de (mrelay1.uni-hannover.de [130.75.2.106]) by mx1.freebsd.org (Postfix) with ESMTP id AFC198FC1B; Tue, 7 Oct 2008 15:07:52 +0000 (UTC) (envelope-from gerrit@pmp.uni-hannover.de) Received: from www.pmp.uni-hannover.de (www.pmp.uni-hannover.de [130.75.117.2]) by mrelay1.uni-hannover.de (8.14.2/8.14.2) with ESMTP id m97F7gsN000896; Tue, 7 Oct 2008 17:07:43 +0200 Received: from pmp.uni-hannover.de (arc.pmp.uni-hannover.de [130.75.117.1]) by www.pmp.uni-hannover.de (Postfix) with SMTP id 380B42B3; Tue, 7 Oct 2008 17:07:42 +0200 (CEST) Date: Tue, 7 Oct 2008 17:07:42 +0200 From: Gerrit =?ISO-8859-1?Q?K=FChn?= To: Jeremy Chadwick Message-Id: <20081007170742.75669f32.gerrit@pmp.uni-hannover.de> In-Reply-To: <20081007142542.GA51071@icarus.home.lan> References: <20080807132947.061d24eb.gerrit@pmp.uni-hannover.de> <20081007143724.a01502e4.gerrit@pmp.uni-hannover.de> <20081007133710.GA50114@icarus.home.lan> <200810071002.56788.jhb@freebsd.org> <20081007161534.b62b6333.gerrit@pmp.uni-hannover.de> <20081007142542.GA51071@icarus.home.lan> Organization: Albert-Einstein-Institut (MPI =?ISO-8859-1?Q?f=FCr?= Gravitationsphysik & IGP =?ISO-8859-1?Q?Universit=E4t?= Hannover) X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.11; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-PMX-Version: 5.4.1.325704, Antispam-Engine: 2.6.0.325393, Antispam-Data: 2008.10.7.144909 Cc: d@delphij.net, jeff@freebsd.org, freebsd-stable@freebsd.org, John Baldwin Subject: Re: Regression 7.0R -> 7-stable? 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: Tue, 07 Oct 2008 15:07:53 -0000 On Tue, 7 Oct 2008 07:25:42 -0700 Jeremy Chadwick wrote about Re: Regression 7.0R -> 7-stable?: JC> > Like it was before: system just hangs after displaying the probing JC> > messages about the CPU cores; next step for a working kernel would JC> > be mounting of the file systems (and changing from white kernel JC> > output to grey system output). JC> Actually, I think you mean mounting of the root filesystem, do you not? JC> If so, others have recently reported this problem (hard lock-ups JC> before or after printing "Mounting root from..."). Yes, of course (sorry for being vague). JC> > JB> When you get a hang, can you break into the debugger and get a JC> > JB> crash dump? JC> > Is there a documentation somewhere how to do this? JC> John can probably help you with the commands you need to type, but the JC> FreeBSD Handbook goes over the general commands. JC> As far as getting into the debugger, it's Control-Alt-Esc from the JC> console. Ok, I added options KDB and DDB to my kernel configuration and compiled with SCHED_ULE. However, after hanging the system does not react on Ctrl-Alt-Esc. Am I missing something? cu Gerrit