From owner-freebsd-stable  Thu Mar 11  6:29: 7 1999
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Date: Thu, 11 Mar 1999 08:28:47 -0600 (CST)
From: "Thomas T. Veldhouse" <veldy@visi.com>
To: Gregory Bond <gnb@itga.com.au>
Cc: stable@FreeBSD.ORG
Subject: Re: acd1: rezero failed
In-Reply-To: <199903110725.SAA02274@lightning.itga.com.au>
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Try using acd1c.  I don't know why, but acd1a and acd0a never work
properly for me either.  

Tom Veldhouse
veldy@visi.com


On Thu, 11 Mar 1999, Gregory Bond wrote:

> I'm trying to get an HP 8100 CD-RW happening.  It boots & the kernel 
> recognises it fine (dmsg summary attached).
> 
> Then I try the following sequence:
> 
> hellcat## wormcontrol -f /dev/acd1a blank
> hellcat## wormcontrol -f /dev/acd1a prepdisk double dummy
> hellcat## wormcontrol -f /dev/acd1a track data
> hellcat## dd if=/home/users/gnb/wp.iso.fs of=/dev/racd1a bs=20k
> dd: /dev/racd1a: Input/output error
> 
> This elicits an error on the console:
> 	acd1: rezero failed
> 
> Running /usr/share/examples/atapi/burnaudio or ..../burndata also fails.
> 
> I can mount & read CD-ROMs & play music CDs on acd1 no problems.
> 
> Any hints what may be causing this? I'm quite new to the whole CD-R/CD-RW 
> thang so it could well be pilot error.....
> 
> Greg.
> 
> Dmesg:
> 
> wdc1: unit 0 (atapi): <CD-532E-A/2.0C>, removable, accel, ovlap, dma, iordis
> acd0: drive speed 5512KB/sec, 128KB cache
> acd0: supported read types: CD-R, CD-RW, CD-DA, packet track
> acd0: Audio: play, 16 volume levels
> acd0: Mechanism: ejectable tray
> acd0: Medium: CD-ROM 120mm audio disc loaded, unlocked
> wdc1: unit 1 (atapi): <Hewlett-Packard CD-Writer Plus 8100/1.0g>, removable, acc
> el, dma, iordis
> acd1: drive speed 4134KB/sec, 1024KB cache
> acd1: supported read types: CD-R, CD-RW, CD-DA, packet track
> acd1: supported write types: CD-R, CD-RW, test write
> acd1: Audio: play, 256 volume levels
> acd1: Mechanism: ejectable tray
> acd1: Medium: no/blank disc inside, unlocked
> 
> 
> 
> 
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