From owner-freebsd-stable Mon Jun 17 23:22:12 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mail-relay1.yahoo.com (mail-relay1.yahoo.com [216.145.48.34]) by hub.freebsd.org (Postfix) with ESMTP id DAFF337B405 for ; Mon, 17 Jun 2002 23:22:05 -0700 (PDT) Received: from FreeBSD.org (12-234-90-219.client.attbi.com [12.234.90.219]) by mail-relay1.yahoo.com (Postfix) with ESMTP id 9B80B8B5B7; Mon, 17 Jun 2002 23:22:05 -0700 (PDT) Message-ID: <3D0ED18D.1FFFD23D@FreeBSD.org> Date: Mon, 17 Jun 2002 23:22:05 -0700 From: Doug Barton Organization: Triborough Bridge & Tunnel Authority X-Mailer: Mozilla 4.79 [en] (X11; U; FreeBSD 4.6-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Rick Knospler , freebsd-stable@FreeBSD.org Subject: [Fwd: Re: ATA Atapi 4.6 Release] Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 Rick, Please try this and let us know if it works. Thanks, Doug -------- Original Message -------- Subject: Re: ATA Atapi 4.6 Release Date: Mon, 17 Jun 2002 21:39:20 -0700 (PDT) From: Doug Barton To: "Bruce A. Mah" CC: John Prince , , , 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