From owner-freebsd-current@FreeBSD.ORG Tue Aug 10 20:38:18 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9169516A4CE for ; Tue, 10 Aug 2004 20:38:18 +0000 (GMT) Received: from ddardaar.mine.nu (bwc72.neoplus.adsl.tpnet.pl [83.29.226.72]) by mx1.FreeBSD.org (Postfix) with ESMTP id 19FAC43D1F for ; Tue, 10 Aug 2004 20:38:16 +0000 (GMT) (envelope-from radek@raadradd.com) Received: by ddardaar.mine.nu (Postfix, from userid 1001) id 893B5A58C; Tue, 10 Aug 2004 22:38:22 +0200 (CEST) Date: Tue, 10 Aug 2004 22:38:22 +0200 From: Radek Kozlowski To: Nate Lawson Message-ID: <20040810203822.GB28585@werd> References: <4113EB2A.7060401@root.org> <20040806221109.GC55186@werd> <411406AA.3030607@root.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline In-Reply-To: <411406AA.3030607@root.org> User-Agent: Mutt/1.5.6i cc: current@freebsd.org cc: sos@deepcore.dk Subject: Re: Panic on boot with today's CURRENT, ata related X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Tue, 10 Aug 2004 20:38:18 -0000 On Fri, Aug 06, 2004 at 03:31:06PM -0700, Nate Lawson wrote: > It looks like the DMA object for the channel is not being initialized. > However, that is in another path (this backtrace is just a symptom > triggered by the first DMA access to the drive). Someone who knows more > about the control path for going from PIO -> DMA mode will have to look > into this. I would like to stress that it only happens with ACPI enabled. If I boot with ACPI disabled the transfer mode is set to UDMA100. Shall I provide you with more info? Thanks, -Radek