From owner-freebsd-current@FreeBSD.ORG Tue Jan 13 09:36:09 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 D739B16A4CE for ; Tue, 13 Jan 2004 09:36:09 -0800 (PST) Received: from cmsrelay02.mx.net (cmsrelay02.mx.net [165.212.11.111]) by mx1.FreeBSD.org (Postfix) with SMTP id 207E343D3F for ; Tue, 13 Jan 2004 09:36:06 -0800 (PST) (envelope-from noackjr@compgeek.com) Received: from uadvg129.cms.usa.net (165.212.11.129) by cmsoutbound.mx.net with SMTP; 13 Jan 2004 17:36:05 -0000 Received: from optimator.noacks.org [65.69.2.105] by uadvg129.cms.usa.net (ASMTP/noackjr@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 478iamRKc0214M29; Tue, 13 Jan 2004 17:36:01 GMT X-USANET-Auth: 65.69.2.105 AUTH noackjr@usa.net optimator.noacks.org Received: from localhost (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with ESMTP id 3D6FF6117; Tue, 13 Jan 2004 11:36:01 -0600 (CST) Received: from optimator.noacks.org ([127.0.0.1]) by localhost (optimator.noacks.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 17743-07-2; Tue, 13 Jan 2004 11:35:50 -0600 (CST) Received: from compgeek.com (compgeek [192.168.1.10]) by optimator.noacks.org (Postfix) with ESMTP id A13466116; Tue, 13 Jan 2004 11:35:50 -0600 (CST) Message-ID: <40042CEE.5000709@compgeek.com> Date: Tue, 13 Jan 2004 11:37:50 -0600 From: Jon Noack User-Agent: Mozilla Thunderbird 0.5a (20040105) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Doug White References: <4003AE67.1050704@compgeek.com> <20040113092043.P63000@carver.gumbysoft.com> In-Reply-To: <20040113092043.P63000@carver.gumbysoft.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at noacks.org 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 Reply-To: noackjr@compgeek.com 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 17:36:10 -0000 On 1/13/2004 11:23 AM, Doug White wrote: > 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. The same cable worked fine for a 60GB dump/restore on Sunday night (a WD800JB was plugged into it to transfer data to the new hard drives). Regardless, I'll try a different one when I get home. As for the DMA issue, I will quote my original message (yes, I rebooted each time after changing the value in /boot/loader.conf): "Also, toggling "hw.ata.atapi_dma" does not change the behavior." Jon Noack