From owner-freebsd-stable  Thu Mar 11  7: 2:50 1999
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Date: Thu, 11 Mar 1999 09:02:28 -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
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Oh.  I hate answering myself, but I need to in this case.  The base
install does not create an acd1 device.  You need to go into dev and
create it:  ./MAKEDEV acd1.

That will create the device with a link from wcd1 to acd1.  This is
probably not necessary, but it keeps the devices up to date.

Tom Veldhouse
veldy@visi.com

On Thu, 11 Mar 1999, Thomas T. Veldhouse wrote:

> 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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> 
> 
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