From owner-freebsd-questions  Wed Jul 21  9:52:16 1999
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Date: Wed, 21 Jul 1999 18:51:35 +0200
From: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
To: tyl <tyl@project.m2.ntu.edu.tw>
Cc: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>,
	freebsd-questions@FreeBSD.ORG
Subject: Re: How to make cdrecord work
Message-ID: <19990721185135.A11703@internal>
References: <19990719184921.A66960@internal> <Pine.BSF.4.05.9907212315190.16408-100000@project.m2.ntu.edu.tw>
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On Wed, 21-Jul-1999 at 23:24:18 +0800, tyl wrote:
> On Mon, 19 Jul 1999, Andre Albsmeier wrote:
> 
> > > ahc0: external cable not present
> > Never use automatic termination! :-)
> 
> Thanks, after I disable automatic termination in SCSI BIOS
> the messages disappeared. 

Several people say that automatic termination produces problems
and I got the same experience.


> 
> > What does  "camcontrol devlist -v" say?
> 
> scbus-1 on xpt0 bus 0:
> <  >                               at scbus-1 target -1 lun -1 (xpt0)
> scbus0 on ahc0 bus 0:
> <QUANTUM FIREBALL ST2.1S 0F0C>     at scbus0 target 0 lun 0 (pass0,da0)
> <SEAGATE ST51080N 0958>            at scbus0 target 1 lun 0 (pass1,da1)
> <TEAC CD-ROM CD-532S 1.0A>         at scbus0 target 3 lun 0 (pass2,cd0)
> <MATSHITA CD-ROM CR-508 XS03>      at scbus0 target 4 lun 0 (pass3,cd1)
> <RICOH MP6200S 2.20>               at scbus0 target 6 lun 0 (pass4,cd2)
> <  >                               at scbus0 target -1 lun -1 ()
> 
> > It seems that you have at least 3 CDROMs/Cdwriters in the machine.
> Yes, as you see :) There are 3 CDROMs on my machine

So the /dev/pass4 should be the right one.


> > 
> > controller      ahc0
> > controller      scbus0  at ahc0
> > device          pass0   at scbus0 target 0
>  ...
> > device          cd0     at scbus0 target 6
> 
> Sometimes I think that 'dmesg' shows the proper devices, theoratically
> speaking, I should not have the necessary to define the SCSI device so
> detailed in the kernel :)
> 
> > I would always use the port.
> I have get the distfiles back, and be trying to make it ...
> 
> > Are you running cdrecord as root? Maybe it can't access /dev/xpt0 and
> > /dev/passxxx.
> 
> Yes, I have try both normal user and root, when I am a normal user, it 
> has the warning messages
> cdrecord: Permission denied. Open of /dev/xpt0 failed.
> cdrecord: Permission denied. Cannot open SCSI driver.

OK, as user, of course, you need the right permissions. This is what
I would do if I had your system:

chown root:operator /path/to/cdrecord
chmod 2711 /path/to/cdrecord
chmod 660 /dev/xpt0
chmod 660 /dev/pass4
export CDR_DEVICE=0,6,0		or	setenv CDR_DEVICE 0,6,0
/path/to/cdrecord -checkdrive

	-Andre


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