From owner-freebsd-stable Mon Jun 17 21:41:14 2002 Delivered-To: freebsd-stable@freebsd.org Received: from 12-234-90-219.client.attbi.com (12-234-90-219.client.attbi.com [12.234.90.219]) by hub.freebsd.org (Postfix) with ESMTP id 396FB37B407; Mon, 17 Jun 2002 21:41:07 -0700 (PDT) Received: from master.gorean.org (master.gorean.org [10.0.0.2]) by 12-234-90-219.client.attbi.com (8.12.3/8.12.3) with ESMTP id g5I4dLBu013726; Mon, 17 Jun 2002 21:39:22 -0700 (PDT) (envelope-from DougB@FreeBSD.org) Received: from localhost (doug@localhost) by master.gorean.org (8.12.4/8.12.4/Submit) with ESMTP id g5I4dLbc004944; Mon, 17 Jun 2002 21:39:21 -0700 (PDT) Date: Mon, 17 Jun 2002 21:39:20 -0700 (PDT) From: Doug Barton To: "Bruce A. Mah" Cc: John Prince , , , Subject: Re: ATA Atapi 4.6 Release In-Reply-To: <200206180432.g5I4WZ4O029136@intruder.bmah.org> Message-ID: <20020617213853.Y4899-100000@master.gorean.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG This all looks good to me. John, can you confirm that the procedure below works? Thanks, Doug On Mon, 17 Jun 2002, Bruce A. Mah wrote: > If memory serves me right, John Prince wrote: > > Thanks.. > > and you are right.. > > This worked? OK. > > I'll work on an errata entry for this. Here's my understanding, mostly > based on dougb's message plus a little experimenting: > > This problem is that some users are having difficulty reading CD-ROMs on > certain ATA CD-ROM drives. This has been seen on the AOpen 48x, 52x, > and 56x CD-ROM drives (are there any non-AOpen drives that have this > problem?). The error message one sees is: > > acd0: READ_BIG command timeout - resetting > ata1: resetting devices .. done > > (In some cases, this is followed by a kernel panic.) > > We need first-time CD-ROM users (with affected hardware) to interrupt > their boot process (at the "Hit [Enter] to boot immediately..." step), > and then do: > > ok set hw.ata.ata_dma="1" > ok set hw.ata.atapi_dma="1" > ok boot > > (This gets a working system for a CD-ROM install.) > > Do the install like normal. > > After installation is complete, we need to apply the workaround for > subsequent reboots. Reboot after finishing the installation and then > add these lines to /boot/loader.conf or /boot/loader.conf.local (create > as necessary): > > hw.ata.ata_dma="1" > hw.ata.atapi_dma="1" > > Then reboot one more time. > > Is that roughly right? I'm mostly interested in getting an errata entry > containing the correct workaround out quickly, rather than getting the > list of CDROM drives exactly right. We can fine-tune said list later. > > Bruce. > > > -- "We have known freedom's price. We have shown freedom's power. And in this great conflict, ... we will see freedom's victory." - George W. Bush, President of the United States State of the Union, January 28, 2002 Do YOU Yahoo!? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message