From owner-freebsd-stable@FreeBSD.ORG Sat Jun 6 13:16:12 2009 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DCF9E106564A for ; Sat, 6 Jun 2009 13:16:12 +0000 (UTC) (envelope-from glen.j.barber@gmail.com) Received: from mail-bw0-f211.google.com (mail-bw0-f211.google.com [209.85.218.211]) by mx1.freebsd.org (Postfix) with ESMTP id 6A0468FC14 for ; Sat, 6 Jun 2009 13:16:12 +0000 (UTC) (envelope-from glen.j.barber@gmail.com) Received: by bwz7 with SMTP id 7so6498bwz.43 for ; Sat, 06 Jun 2009 06:16:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type:content-transfer-encoding; bh=m0sH4tttKq9G+RNXOIyRrMrNY1G+EgxSDQn5zL72J1g=; b=cahwGNTKJkQd/+q8wMWMGgjTuNC0mq/PQ9LwZvcU1KqZnB7qxRMO3Fd7dI3PrxO0It j5PK3KR1zMHC5D5zqX0vnFnnTIWF79q9k5efXu7uGax9CJ0ww1pdwczqihksjSl/ZVOK tJLqtHYWuqfwm9+6Rn9xXkPNdVYHH7evI/Azw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=nTOpLlkBv9U+p9NhcjS7Mdo9wFDRXCujeMJbnrL/pzggsvVS9MD9/GvWPmmodf9DTs 1DIeFghBzbeoZt1ZO0E6JzNNcsf2BsWAhsG2yf3LVzsld73vZPNnhTuxd9LnxaI7x4PV j4QtMmwIAQkpsm3/s7yy3l8+BO/VpzYFnESho= MIME-Version: 1.0 Received: by 10.204.68.15 with SMTP id t15mr4291771bki.139.1244294171189; Sat, 06 Jun 2009 06:16:11 -0700 (PDT) Date: Sat, 6 Jun 2009 09:16:11 -0400 Message-ID: <4ad871310906060616u7f162f26h8a3149fbe7e4c273@mail.gmail.com> From: Glen Barber To: stable@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Subject: Kernel Debugging Options 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: Sat, 06 Jun 2009 13:16:13 -0000 Hello everyone I have a two-part question: I have a minimally customized GENERIC kernel, with the only changes being: options KDB options KDB_UNATTENDED options DDB and 'sysctl debug.debugger_on_panic' shows: debug.debugger_on_panic: 0 However, after a panic loading the vboxdrv.ko module, the machine did not reboot automatically after reboot. Here are my questions: 1) Would enabling DDB in the kernel prevent an automatic reboot after a panic? 2) Does the debugger wait for XX seconds of console inactivity before rebooting? I was under the impression from the handbook that the machine would instantly reboot and after dumping the crash to vmcore0. Is this assumption incorrect? Thanks in advance for any input. -- Glen Barber http://www.dev-urandom.com http://www.linkedin.com/in/glenjbarber