From owner-freebsd-stable Mon Jun 17 14:46:31 2002 Delivered-To: freebsd-stable@freebsd.org Received: from popmail.ct.lodgenet.com (mozart.lodgenet.com [204.124.122.253]) by hub.freebsd.org (Postfix) with SMTP id 66AA237B430 for ; Mon, 17 Jun 2002 14:46:23 -0700 (PDT) Received: (qmail 61900 invoked from network); 10 Jun 2002 20:51:47 -0000 Received: from windoze.ct.lodgenet.com (HELO windoze.lodgenet.com) (10.0.122.50) by popmail.ct.lodgenet.com with SMTP; 10 Jun 2002 20:51:47 -0000 Message-Id: <5.1.0.14.2.20020610154111.024e3000@popmail.ct.lodgenet.com> X-Sender: johnp@popmail.ct.lodgenet.com X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Mon, 10 Jun 2002 15:47:01 -0500 To: chrisp@belgacom.net From: John Prince Subject: Re: ATA Atapi Cdrom Problems Cc: freebsd-stable@FreeBSD.ORG In-Reply-To: <20020610221854.A701@freedaemon.home.lan> References: <1023738994.3d0504725e43f@webmail.vwebpage.com> <1023738994.3d0504725e43f@webmail.vwebpage.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed 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 Thanks Chris. The AOpen 52x definitely exhibits the problem. We have numerous (2000+) of this drive type installed. Of the 15+ drives tested so far.. None work. We are going to test the Aopen 14xDVD drives as well. --john At 10:18 PM 6/10/2002 +0200, chrisp@belgacom.net wrote: > > > > The 52x AOpen CD-952E/AKH and an AOpen CD-956E/AKH both suffer > > READ_BIG failures on FreeBSD installation. > > >Indeed ... AOpen, but others too, so let's not blame AOpen :-). > >I have a CD-Rewriter (Philips) (master) and a reader (AOpen 52X/AKH) (slave) >on the same ATA channel. The problem occured with both drives. > >I reported similar problems to this list a while ago, along with a >traceback: >http://www.freebsd.org/cgi/getmsg.cgi?fetch=457725+468533+/usr/local/www/db/text/2002/freebsd-stable/20020505.freebsd-stable > >relevant lines from dmesg: > >acd0: CD-RW at ata1-master PIO4 >acd1: CDROM at ata1-slave PIO4 > >Using WDMA2 mode (hw.ata.atapi_dma=1 in /boot/loader.conf) works around it. >IMHO, this problem might prevent 4.6 to be installed on many, many systems. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message