Date: Mon, 8 May 2000 14:18:07 +0200 From: Farid Hajji <farid.hajji@ob.kamp.net> To: questions@freebsd.org, schilling@fokus.gmd.de Subject: cdrecord, freebsd and atapi cd-writers Message-ID: <200005081218.e48CI7p00512@mail-ob.kamp.net>
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Hello,
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
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