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Date:      Thu, 15 Jan 2004 02:43:00 -0600
From:      Jon Noack <noackjr@compgeek.com>
To:        Mike Schreckengost <mrpolitics@hotmail.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Problem mounting CD-ROM since 5.2-RELEASE
Message-ID:  <40065294.5070902@compgeek.com>
In-Reply-To: <Law9-F16hhbC3Say0s60002b040@hotmail.com>
References:  <Law9-F16hhbC3Say0s60002b040@hotmail.com>

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On 1/15/2004 1:33 AM, Mike Schreckengost wrote:
> Hello everyone, I recently installed FreeBSD 5.2-RELEASE and can no
> longer mount my DVD+RW drive. Everything was working fine under both
> 5.1-RELEASE and 4.9-STABLE versions of FreeBSD. The symptoms of the
> problem are as follows:
> 
> 1) During the boot process, I (sometimes) receive the following
> kernel error message: "acd1: FAILURE - READ_BIG
> status=51<READY,DSC,ERROR> sensekey=ILLEGAL REQUEST error=0"
> 
> 2) When I try to mount the drive, I receive the following: "cd9660:
> /dev/acd1: Input/output error" ... and the kernel (sometimes) prints
> the message appearing above in symptom #1.
> 
> What I've done:
> 
> 1) I've tried enabling/disabling DMA for the drive using atacontrol. 
> 2) I cvsup'ed to the latest -CURRENT as of 01/14/04. The problem
> still persists.
> 
> What I have:
> 
> The DVD+RW drive is connected to a Sil0680 ATA-Medley UDMA133
> controller card. Other information can be found in the attached dmesg
> output. Any help or suggestions will (of course!) be greatly
> appreciated.
> 
> Thanks in advance, Mike

I started a similar thread 2 days ago called "5.2-RELEASE: unable to 
mount cd-roms".  Søren responded on that thread and said "it looks like 
you arent getting interrupts", but I don't really know what that means. 
  Maybe that will help you...

A verbose dmesg might be more helpful to those in the know -- run "boot 
-v" from the boot loader and post the dmesg you get from that 
(preferably posted to a web site given the size).

Jon Noack


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