From owner-freebsd-stable@FreeBSD.ORG Wed Dec 8 11:23:01 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 40BEB16A4CE for ; Wed, 8 Dec 2004 11:23:01 +0000 (GMT) Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id CF4C443D1F for ; Wed, 8 Dec 2004 11:23:00 +0000 (GMT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (localhost [127.0.0.1]) by fledge.watson.org (8.13.1/8.13.1) with ESMTP id iB8BKYJV099087; Wed, 8 Dec 2004 06:20:34 -0500 (EST) (envelope-from robert@fledge.watson.org) Received: from localhost (robert@localhost)iB8BKYiF099084; Wed, 8 Dec 2004 11:20:34 GMT (envelope-from robert@fledge.watson.org) Date: Wed, 8 Dec 2004 11:20:34 +0000 (GMT) From: Robert Watson X-Sender: robert@fledge.watson.org To: Michael Nottebrock In-Reply-To: <200412072154.42853.michaelnottebrock@gmx.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-stable@freebsd.org Subject: Re: crashdumps not working X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Dec 2004 11:23:01 -0000 On Tue, 7 Dec 2004, Michael Nottebrock wrote: > I recently enabled SW_WATCHDOG in my kernel, but when watchdog triggers > a panic, no crashdump is taken although dumps are enabled. What could be > causing this? If you drop to the debugger by using the debug.kdb.enter sysctl, and do "call doadump", followed by a reset, does a dump get generated successfully? I.e., are they completely broken on your system, or is this somehow a property of the particular hang you're seeing. (Do the above with caution and in a situation where you don't mind fscking, needless to say). Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Principal Research Scientist, McAfee Research