From owner-freebsd-scsi  Fri Oct 27 13:28:33 2000
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Date: Fri, 27 Oct 2000 14:28:15 -0600
From: "Kenneth D. Merry" <ken@kdm.org>
To: Paul van Berlo <paul@il.fontys.nl>
Cc: freebsd-scsi@FreeBSD.ORG
Subject: Re: cdrecord and SCSI cd-rw drive
Message-ID: <20001027142815.A25164@panzer.kdm.org>
References: <20001027193643.D22437@il.fontys.nl>
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In-Reply-To: <20001027193643.D22437@il.fontys.nl>; from paul@il.fontys.nl on Fri, Oct 27, 2000 at 07:36:43PM +0200
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On Fri, Oct 27, 2000 at 19:36:43 +0200, Paul van Berlo wrote:
> [.. ls -l /dev/pass* ..]
> crw-rw-rw-  1 root  operator   31,   0 Oct 27 16:51 pass0
> crw-rw-rw-  1 root  operator   31,   1 Oct 27 16:51 pass1
> crw-rw-rw-  1 root  operator   31,   2 Oct 27 16:51 pass2
> crw-rw-rw-  1 root  operator   31,   3 Oct 27 16:51 pass3
> 
> 
> [.. ls -l /dev/xpt* ..]
> crw-rw-rw-  1 root  operator  104,   0 Oct 27 16:51 xpt0
> crw-rw-rw-  1 root  operator  104,   1 Oct 27 16:51 xpt1
> 
> 
> [.. cdrecord -scanbus ..]
> defiant# cdrecord -scanbus
> Cdrecord 1.9 (i386-unknown-freebsd4.1.1) Copyright (C) 1995-2000 Jörg Schilling
> cdrecord: Operation not permitted. Error opening /dev/pass0 Cam error 'cam_real_open_device: couldn't open passthr. Cannot open SCSI driver.
> cdrecord: For possible targets try 'cdrecord -scanbus'. Make sure you are root.
> 
> 
> [.. camcontrol devlist ..]
> <QUANTUM ATLAS IV 9 WLS 0B0B>      at scbus0 target 0 lun 0 (pass0,da0)
> <PLEXTOR CD-ROM PX-40TS 1.11>      at scbus0 target 1 lun 0 (pass1,cd0)
> <PLEXTOR CD-R   PX-W124TS 1.06>    at scbus0 target 3 lun 0 (pass2,cd1)
> 
> 
> [.. camcontrol tur cd1 -v ..]
> defiant# camcontrol tur cd1 -v 
> camcontrol: cam_real_open_device: couldn't open passthrough device /dev/pass2
> cam_real_open_device: Operation not permitted
> 
> 
> I hope that's enough info to solve this somehow. Thanks in advance.

Your securelevel is probably set to 2 or more.  Check it like this:

sysctl kern.securelevel

For security reasons (since you can use it to format disks, etc.) you can't
open the pass device when the securelevel is greater than 1.

Ken
-- 
Kenneth Merry
ken@kdm.org


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