From owner-freebsd-current@FreeBSD.ORG Tue Jan 13 09:23:29 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 99E2E16A4CE for ; Tue, 13 Jan 2004 09:23:29 -0800 (PST) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id A275243D46 for ; Tue, 13 Jan 2004 09:23:28 -0800 (PST) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id 9459872DC7; Tue, 13 Jan 2004 09:23:28 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id 922F172DB5; Tue, 13 Jan 2004 09:23:28 -0800 (PST) Date: Tue, 13 Jan 2004 09:23:28 -0800 (PST) From: Doug White To: Jon Noack In-Reply-To: <4003AE67.1050704@compgeek.com> Message-ID: <20040113092043.P63000@carver.gumbysoft.com> References: <4003AE67.1050704@compgeek.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: current@freebsd.org Subject: Re: 5.2-RELEASE: unable to mount cd-roms 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, 13 Jan 2004 17:23:29 -0000 On Tue, 13 Jan 2004, Jon Noack wrote: > I am unable to mount CD-ROMs with 5.2-RELEASE. I get the following > error message: > > cd9660: /dev/acd0: Input/output error handy. > The full dmesg: > http://www.noacks.org/freebsd/dmesg.20040113.txt > > $ grep acd0: dmesg.20040113.txt > acd0: FAILURE - MODE_SENSE_BIG status=51 > sensekey=ABORTED COMMAND error=4 > acd0: FAILURE - MODE_SENSE_BIG status=51 > sensekey=ABORTED COMMAND error=4 > acd0: DVDROM drive at ata0 as > master > acd0: read 16007KB/s (32015KB/s), 2KB buffer, WDMA2 > acd0: Reads: CDR, CDRW, CDDA, DVDROM, packet > acd0: Writes: > acd0: Audio: play, 65280 volume levels > acd0: Mechanism: ejectable tray, unlocked > acd0: Medium: CD-ROM 120mm photo disc > acd0: WARNING - READ_BIG UDMA ICRC error (retrying request) > acd0: FAILURE - READ_BIG status=51 sensekey=ILLEGAL > REQUEST error=0 The UDMA error is telling -- I think you may have a bad cable. Try running this command in loader before starting the kernel: set hw.ata.atapi_dma=0 (or at least check that you aren't setting it to 1 in /boot/loader.conf) If that fixes it, then something is corrupting DMA transactions to your DVD drive. Check the cabling, try rearranging your ATA chains so it isn't a master device, etc. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org