Date: Mon, 8 May 2000 14:33:25 +0200 (MEST) From: schilling@fokus.gmd.de To: farid.hajji@ob.kamp.net, questions@freebsd.org, schilling@fokus.gmd.de Subject: Re: cdrecord, freebsd and atapi cd-writers Message-ID: <200005081233.OAA18951@burner.fokus.gmd.de>
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FreeBSD does not support ATAPI drives. The drivers are not integrated into
the SCSI kernel subsystem....
Integrated ATAPI is on:
NetBSD, Win32, OS/2, Linux
>From farid.hajji@ob.kamp.net Mon May 8 14:16:31 2000
>I'm currently trying to figure out how to use cdrecord
>on FreeBSD with an atapi (ide) cd-writer. My setup is:
>Operating System: FreeBSD 3.4-RELEASE
>Cdrecord-Version: Cdrecord release 1.8a33
>Hardware : /dev/wd0s1 Primary IDE-Disk
> /dev/da0s1 Internal SCSI-Disk on an ahc0
> /dev/acd0 IDE-CDROM
> /dev/acd1 ATAPI CD-Writer (HP CD-Writer 7200+)
>The relevant parts from dmesg are:
>-------------- dmesg output -------------- dmesg output --------------------
>ahc0: <Adaptec 2940 Ultra SCSI adapter> rev 0x00 int a irq 12 on pci0.10.0
>ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
>wdc0 at 0x1f0-0x1f7 irq 14 on isa
>wdc0: unit 0 (wd0): <SAMSUNG SV0644A>
>wd0: 6105MB (12504240 sectors), 13232 cyls, 15 heads, 63 S/T, 512 B/S
>wdc0: unit 1 (atapi): <FX810T4/a01>, removable, intr, dma, iordis
>acd0: drive speed 1377KB/sec, 256KB cache
>acd0: supported read types: CD-DA
>acd0: Audio: play, 255 volume levels
>acd0: Mechanism: ejectable tray
>acd0: Medium: no/blank disc inside, unlocked
>wdc1 at 0x170-0x177 irq 15 on isa
>wdc1: unit 0 (atapi): <HP CD-Writer+ 7200/V:003.01>, removable, dma, iordy
>acd1: drive speed 344 - 1034KB/sec, 768KB 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, 128 volume levels
>acd1: Mechanism: ejectable tray
>acd1: Medium: no/blank disc inside, unlocked, lock protected
>da0 at ahc0 bus 0 target 0 lun 0
>da0: <IBM DORS-32160W WA6A> Fixed Direct Access SCSI-2 device
>da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
>da0: 2063MB (4226725 512 byte sectors: 255H 63S/T 263C)
>-------------- dmesg output -------------- dmesg output --------------------
>I also enabled the pass0 device in the kernel config file.
>Here the relevant parts:
>-------------- relevant parts from kernel config file ----------------------
># ATAPI devices
>options ATAPI #Enable ATAPI support for IDE bus
>options ATAPI_STATIC #Don't do it as an LKM
>device acd0 #IDE CD-ROM
># SCSI Controllers
>controller ahc0 # AHA2940 and onboard AIC7xxx devices
># SCSI peripherals
>controller scbus0 # SCSI bus (required)
>device da0 # Direct Access (disks)
>device sa0 # Sequential Access (tape etc)
>device cd0 # CD
>device pass0 # Passthrough device (direct SCSI)
>pseudo-device vn 2 # mounting files as filesystems vnconfig(8)
>-------------- relevant parts from kernel config file ----------------------
>Still, I'm having trouble using cdrecord. AFAIK, cdrecord talks to
>ATAPI Drives through some kind of SCSI over IDE and needs some scsi
>passthrough or scsi-ide emulator. With my current setup, cdrecord -scanbus
>returns:
>bsdevil# cdrecord -scanbus
>Cdrecord release 1.8a33 Copyright (C) 1995-1999 Jörg Schilling
>Using libscg version 'schily-0.1'
>scsibus0:
> 0,0,0 0) 'IBM ' 'DORS-32160W ' 'WA6A' Disk
> 0,1,0 1) *
> 0,2,0 2) *
> 0,3,0 3) *
> 0,4,0 4) *
> 0,5,0 5) *
> 0,6,0 6) *
> 0,7,0 7) *
>The CD-Writer was not recognized there. I couldn't figure out
>which dev=... to use for the /dev/acd1 cd-writer.
>BTW, the writer works very well under Linux with the ide-scsi kernel-module
>together with the generic scsi code 'sg'. The drive is recognized by
>cdrecord in scsibus1 with the dev=1,0,0 line. The only quirck there was to
>make sure, that the ide cd-writer was not grabbed at boot time by the ide
>driver.
>I'm sorry if this is a FAQ. I couldn't find any relevant information on
>ATAPI CD-Writers, Cdrecord and FreeBSD.
>Thank you for your help.
>-Farid.
>--
>Farid Hajji
>Broicherdorfstr. 83, D-41564 Kaarst, Germany
>Phone: +49-2131-67-555, E-Mail: farid.hajji@ob.kamp.net
Jörg
EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
js@cs.tu-berlin.de (uni) If you don't have iso-8859-1
schilling@fokus.gmd.de (work) chars I am J"org Schilling
URL: http://www.fokus.gmd.de/usr/schilling ftp://ftp.fokus.gmd.de/pub/unix
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