From owner-freebsd-questions  Wed Jul 21  8:29:17 1999
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Date: Wed, 21 Jul 1999 23:24:18 +0800 (CST)
From: tyl <tyl@project.m2.ntu.edu.tw>
To: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: How to make cdrecord work
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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. 


> 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

> 
> 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.

Thanks for your help again !!!



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