From owner-freebsd-bugs@FreeBSD.ORG Tue Feb 28 14:57:42 2006 Return-Path: X-Original-To: freebsd-bugs@FreeBSD.org Delivered-To: freebsd-bugs@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A28F216A420; Tue, 28 Feb 2006 14:57:42 +0000 (GMT) (envelope-from vivek@khera.org) Received: from yertle.kcilink.com (yertle.kcilink.com [65.205.34.180]) by mx1.FreeBSD.org (Postfix) with ESMTP id 589B043D48; Tue, 28 Feb 2006 14:57:42 +0000 (GMT) (envelope-from vivek@khera.org) Received: from [192.168.7.103] (host-103.int.kcilink.com [192.168.7.103]) by yertle.kcilink.com (Postfix) with ESMTP id 7050AB80D; Tue, 28 Feb 2006 09:57:41 -0500 (EST) Mime-Version: 1.0 (Apple Message framework v746.2) In-Reply-To: <200601171600.k0HG0IpK012796@freefall.freebsd.org> References: <200601171600.k0HG0IpK012796@freefall.freebsd.org> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Vivek Khera Date: Tue, 28 Feb 2006 09:57:40 -0500 To: FreeBSD-gnats-submit@FreeBSD.org, freebsd-bugs@FreeBSD.org X-Mailer: Apple Mail (2.746.2) Cc: Subject: Re: kern/91910: aac driver hangs on Dell PE800 with CERC SATA controller (regression from 5.4) X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Feb 2006 14:57:42 -0000 Ok, I finally did a bunch of more tests and it turns out that a 6.1- PRE kernel will boot if I disable ACPI timer with debug.acpi.disabled="timer" in /boot/loader.conf. The system otherwise works except that the aac controller fails to complete shutdown (I filed another PR for that) resulting in potential data loss at reboot.