From owner-freebsd-current@FreeBSD.ORG Thu Jan 15 00:28:51 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 0F99616A4CE for ; Thu, 15 Jan 2004 00:28:51 -0800 (PST) Received: from cmsrelay01.mx.net (cmsrelay01.mx.net [165.212.11.110]) by mx1.FreeBSD.org (Postfix) with SMTP id 058EE43D1D for ; Thu, 15 Jan 2004 00:28:49 -0800 (PST) (envelope-from noackjr@compgeek.com) Received: from cmsapps02.cms.usa.net (165.212.11.138) by cmsoutbound.mx.net with SMTP; 15 Jan 2004 08:28:48 -0000 Received: from optimator.noacks.org [65.69.2.105] by cmsapps02.cms.usa.net (ASMTP/noackjr@usa.net) via mtad (C8.MAIN.3.11E) with ESMTP id 500iaoiCv0131M38; Thu, 15 Jan 2004 08:28:46 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 EC1D960FB; Thu, 15 Jan 2004 02:28:42 -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 00705-01; Thu, 15 Jan 2004 02:28:32 -0600 (CST) Received: from compgeek.com (compgeek [192.168.1.10]) by optimator.noacks.org (Postfix) with ESMTP id 39FA260E7; Thu, 15 Jan 2004 02:28:32 -0600 (CST) Message-ID: <40064FA7.50008@compgeek.com> Date: Thu, 15 Jan 2004 02:30:31 -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> <40042CEE.5000709@compgeek.com> In-Reply-To: <40042CEE.5000709@compgeek.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: Thu, 15 Jan 2004 08:28:51 -0000 On 1/13/2004 11:37 AM, Jon Noack wrote: > 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 I've tried different cables, master vs. slave, primary vs. secondary controllers -- none made any difference. Jon Noack -- Doing linear scans over an associative array is like trying to club someone to death with a loaded Uzi. - Larry Wall